{"id":21984,"date":"2025-04-19T05:12:26","date_gmt":"2025-04-18T21:12:26","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/21984.html"},"modified":"2025-04-19T05:12:26","modified_gmt":"2025-04-18T21:12:26","slug":"%e3%80%90linux%e7%ac%94%e8%ae%b0%e3%80%91%e8%bf%9b%e7%a8%8b%e9%97%b4%e9%80%9a%e4%bf%a1-%e5%8c%bf%e5%90%8d%e7%ae%a1%e9%81%93%e8%bf%9b%e7%a8%8b%e6%b1%a0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/21984.html","title":{"rendered":"\u3010Linux\u7b14\u8bb0\u3011\u8fdb\u7a0b\u95f4\u901a\u4fe1\u2014\u2014\u533f\u540d\u7ba1\u9053||\u8fdb\u7a0b\u6c60"},"content":{"rendered":"<p>&#x1f525;\u4e2a\u4eba\u4e3b\u9875&#x1f525;&#xff1a;\u5b64\u5bc2\u5927\u4ed9V &#x1f308;\u6536\u5f55\u4e13\u680f&#x1f308;&#xff1a;Linux &#x1f339;\u5f80\u671f\u56de\u987e&#x1f339;&#xff1a;\u3010Linux\u7b14\u8bb0\u3011\u52a8\u6001\u5e93\u4e0e\u9759\u6001\u5e93\u7684\u7406\u89e3\u4e0e\u52a0\u8f7d &#x1f516;\u6d41\u6c34\u4e0d\u4e89&#xff0c;\u4e89\u7684\u662f\u6ed4\u6ed4\u4e0d<\/p>\n<hr \/>\n<h4> <\/h4>\n<ul>\n<li>\u4e00\u3001Linux\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7b80\u4ecb\u548c\u76ee\u7684<\/li>\n<li>\u4e8c\u3001\u5e38\u89c1IPC\u65b9\u5f0f<\/li>\n<li>\n<ul>\n<li>\u7ba1\u9053<\/li>\n<li>System V<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u533f\u540d\u7ba1\u9053<\/li>\n<li>\n<ul>\n<li>\u5de5\u4f5c\u539f\u7406<\/li>\n<li>\u7279\u6027<\/li>\n<li>\u7ba1\u9053\u8bfb\u5199\u89c4\u5219<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u57fa\u4e8e\u533f\u540d\u7ba1\u9053\u7684\u8fdb\u7a0b\u6c60<\/li>\n<\/ul>\n<h2>\u4e00\u3001Linux\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7b80\u4ecb\u548c\u76ee\u7684<\/h2>\n<p>\u7b80\u4ecb<\/p>\n<p>\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff08;IPC&#xff0c;Inter-Process Communication&#xff09;\u662f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u4e0d\u540c\u8fdb\u7a0b\u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u3001\u534f\u8c03\u5de5\u4f5c\u7684\u6838\u5fc3\u673a\u5236\u3002\u7531\u4e8e\u6bcf\u4e2a\u8fdb\u7a0b\u62e5\u6709\u72ec\u7acb\u7684\u5185\u5b58\u7a7a\u95f4&#xff0c;\u5f7c\u6b64\u9694\u79bb&#xff0c;\u56e0\u6b64\u9700\u8981\u7279\u5b9a\u7684\u6280\u672f\u624b\u6bb5\u5b9e\u73b0\u8de8\u8fdb\u7a0b\u534f\u4f5c\u3002<\/p>\n<p>\u8fdb\u7a0b\u95f4\u901a\u4fe1(IPC)\u662f\u6307\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u6216\u4e0d\u540c\u8ba1\u7b97\u673a\u4e0a\u7684\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u548c\u901a\u4fe1\u7684\u6280\u672f\u3002\u7531\u4e8e\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u5730\u5740\u7a7a\u95f4&#xff0c;\u5b83\u4eec\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u5f7c\u6b64\u7684\u6570\u636e&#xff0c;\u56e0\u6b64\u9700\u8981\u901a\u8fc7\u7279\u5b9a\u7684\u673a\u5236\u5b9e\u73b0\u901a\u4fe1\u3002IPC\u662f\u64cd\u4f5c\u7cfb\u7edf\u548c\u591a\u8fdb\u7a0b\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u591a\u4efb\u52a1\u64cd\u4f5c\u7cfb\u7edf\u4ee5\u53ca\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u3002<\/p>\n<p>\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u672c\u8d28&#xff1a;\u662f\u5148\u8ba9\u4e0d\u540c\u7684\u8fdb\u7a0b&#xff0c;\u5148\u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90&#xff0c;\u7136\u540e\u624d\u6709\u901a\u4fe1\u7684\u6761\u4ef6\u3002<\/p>\n<p>\u76ee\u7684<\/p>\n<ul>\n<li>\u6570\u636e\u4f20\u8f93&#xff1a;\u4e00\u4e2a\u8fdb\u7a0b\u9700\u8981\u5c06\u5b83\u7684\u6570\u636e\u53d1\u9001\u7ed9\u53e6\u4e00\u4e2a\u8fdb\u7a0b<\/li>\n<li>\u8d44\u6e90\u5171\u4eab&#xff1a;\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u5171\u4eab\u540c\u6837\u7684\u8d44\u6e90\u3002<\/li>\n<li>\u901a\u77e5\u4e8b\u4ef6&#xff1a;\u4e00\u4e2a\u8fdb\u7a0b\u9700\u8981\u5411\u53e6\u4e00\u4e2a\u6216\u4e00\u7ec4\u8fdb\u7a0b\u53d1\u9001\u6d88\u606f&#xff0c;\u901a\u77e5\u5b83&#xff08;\u5b83\u4eec&#xff09;\u53d1\u751f\u4e86\u67d0\u79cd\u4e8b\u4ef6&#xff08;\u5982\u8fdb\u7a0b\u7ec8\u6b62\u65f6\u8981\u901a\u77e5\u7236\u8fdb\u7a0b&#xff09;\u3002<\/li>\n<li>\u8fdb\u7a0b\u63a7\u5236&#xff1a;\u6709\u4e9b\u8fdb\u7a0b\u5e0c\u671b\u5b8c\u5168\u63a7\u5236\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u7684\u6267\u884c&#xff08;\u5982Debug\u8fdb\u7a0b&#xff09;&#xff0c;\u6b64\u65f6\u63a7\u5236\u8fdb\u7a0b\u5e0c\u671b\u80fd\u591f\u62e6\u622a\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u7684\u6240\u6709\u9677\u5165\u548c\u5f02\u5e38&#xff0c;\u5e76\u80fd\u591f\u53ca\u65f6\u77e5\u9053\u5b83\u7684\u72b6\u6001\u6539\u53d8<\/li>\n<\/ul>\n<h2>\u4e8c\u3001\u5e38\u89c1IPC\u65b9\u5f0f<\/h2>\n<h3>\u7ba1\u9053<\/h3>\n<p>\u7c7b\u578b&#xff1a;<\/p>\n<ul>\n<li>\u533f\u540d\u7ba1\u9053&#xff1a;\u7528\u4e8e\u7236\u5b50\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff08;\u534a\u53cc\u5de5&#xff09;\u3002<\/li>\n<li>\u6709\u540d\u7ba1\u9053&#xff08;FIFO&#xff09;&#xff1a;\u53ef\u7528\u4e8e\u4e0d\u76f8\u5173\u8fdb\u7a0b&#xff08;\u5168\u53cc\u5de5&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u7279\u70b9&#xff1a;<\/p>\n<ul>\n<li>\u5185\u6838\u7f13\u51b2\u533a\u5b58\u50a8\u6570\u636e&#xff0c;\u8bfb\u5199\u540c\u6b65\u3002<\/li>\n<li>\u6570\u636e\u8bfb\u53d6\u540e\u5373\u5220\u9664&#xff0c;\u4e0d\u652f\u6301\u968f\u673a\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<h3>System V<\/h3>\n<ul>\n<li>\n<p>\u5171\u4eab\u5185\u5b58&#xff08;Shared Memory&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u6838\u5fc3\u673a\u5236&#xff1a;\u591a\u4e2a\u8fdb\u7a0b\u76f4\u63a5\u8bbf\u95ee\u540c\u4e00\u5757\u7269\u7406\u5185\u5b58\u3002<\/p>\n<\/li>\n<li>\n<p>\u7279\u70b9&#xff1a; \u901f\u5ea6\u6700\u5feb&#xff0c;\u65e0\u9700\u6570\u636e\u590d\u5236\u3002 \u9700\u914d\u5408\u540c\u6b65\u673a\u5236&#xff08;\u5982\u4fe1\u53f7\u91cf\u3001\u4e92\u65a5\u9501&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u6d88\u606f\u961f\u5217&#xff08;Message Queue&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u673a\u5236&#xff1a;\u8fdb\u7a0b\u901a\u8fc7\u53d1\u9001 \/ \u63a5\u6536\u6d88\u606f&#xff08;\u5e26\u7c7b\u578b&#xff09;\u901a\u4fe1\u3002<\/p>\n<\/li>\n<li>\n<p>\u7279\u70b9&#xff1a; \u6d88\u606f\u6309\u7c7b\u578b\u6392\u5e8f&#xff0c;\u652f\u6301\u5f02\u6b65\u901a\u4fe1\u3002 \u6d88\u606f\u961f\u5217\u5728\u5185\u6838\u4e2d\u6301\u4e45\u5316&#xff0c;\u76f4\u5230\u88ab\u663e\u5f0f\u5220\u9664\u3002<\/p>\n<\/li>\n<li>\n<p>\u4fe1\u53f7\u91cf&#xff08;Semaphore&#xff09;<\/p>\n<\/li>\n<li>\n<p>\u4f5c\u7528&#xff1a;\u63a7\u5236\u5bf9\u4e34\u754c\u8d44\u6e90\u7684\u8bbf\u95ee&#xff0c;\u5b9e\u73b0\u540c\u6b65\u4e0e\u4e92\u65a5\u3002<\/p>\n<\/li>\n<li>\n<p>\u7c7b\u578b&#xff1a; \u4e8c\u5143\u4fe1\u53f7\u91cf&#xff1a;0\/1 \u72b6\u6001&#xff08;\u4e92\u65a5\u9501&#xff09;\u3002 \u8ba1\u6570\u4fe1\u53f7\u91cf&#xff1a;\u63a7\u5236\u5e76\u53d1\u8bbf\u95ee\u6570\u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4e09\u3001\u533f\u540d\u7ba1\u9053<\/h2>\n<p>\u6211\u4eec\u628a\u4ece\u4e00\u4e2a\u8fdb\u7a0b\u8fde\u63a5\u5230\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u7684\u4e00\u4e2a\u6570\u636e\u6d41\u79f0\u4e3a\u4e00\u4e2a\u201c\u7ba1\u9053\u201d <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418211222-6802c036e3377.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u5de5\u4f5c\u539f\u7406<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418211223-6802c03721086.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u901a\u8fc7\u7236\u5b50\u8fdb\u7a0b\u7ee7\u627f\u5173\u7cfb&#xff0c;\u518d\u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26\u5173\u95ed&#xff0c;\u5b9e\u73b0\u4e00\u7aef\u5199&#xff0c;\u4e00\u7aef\u8bfb&#xff0c;\u5c31\u662f\u533f\u540d\u7ba1\u9053\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418211223-6802c03752e6c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u533f\u540d\u7ba1\u9053\u662f\u5355\u5411\u901a\u4fe1&#xff08;\u534a\u53cc\u5de5&#xff09;\u6570\u636e\u53ea\u80fd\u4ece\u7ba1\u9053\u7684\u4e00\u7aef\u5199\u5165&#xff0c;\u53e6\u4e00\u7aef\u8bfb\u53d6&#xff0c;\u65e0\u6cd5\u53cc\u5411\u4f20\u8f93\u3002\u5185\u6838\u7f13\u51b2\u533a\u5b58\u50a8\u6570\u636e\u901a\u8fc7\u5185\u6838\u4e34\u65f6\u5b58\u50a8&#xff0c;\u5927\u5c0f\u901a\u5e38\u4e3a 64KB&#xff08;\u53ef\u901a\u8fc7 ulimit -a \u67e5\u770b&#xff09;\u3002\u751f\u547d\u5468\u671f\u77ed&#xff0c;\u7ba1\u9053\u968f\u521b\u5efa\u5b83\u7684\u8fdb\u7a0b&#xff08;\u7236\u8fdb\u7a0b&#xff09;\u7ed3\u675f\u800c\u81ea\u52a8\u9500\u6bc1&#xff0c;\u65e0\u9700\u624b\u52a8\u6e05\u7406\u3002\u4eb2\u7f18\u5173\u7cfb\u9650\u5236\u4ec5\u9002\u7528\u4e8e\u7236\u5b50\u8fdb\u7a0b\u6216\u5144\u5f1f\u8fdb\u7a0b&#xff08;\u901a\u8fc7 fork\/exec \u7cfb\u5217\u51fd\u6570\u521b\u5efa\u7684\u8fdb\u7a0b&#xff09;\u3002<\/p>\n<p>\u7236\u8fdb\u7a0b\u4ee5\u8bfb\u5199\u65b9\u5f0f\u6253\u5f00\u6587\u4ef6\u3002\u7236\u8fdb\u7a0bfork\u521b\u5efa\u5b50\u8fdb\u7a0b&#xff0c;&#xff08;\u8fdb\u7a0b\u5177\u6709\u72ec\u7acb\u6027&#xff09;\u5b50\u8fdb\u7a0b\u8981\u62f7\u8d1d\u4e00\u4efdPCB\u7ed3\u6784&#xff0c;PCB\u4e2d\u5305\u542b\u4e86files_struct\u7ed3\u6784,files_struct\u4e2d\u6709\u4e00\u4e2a\u6307\u5411struct file&#xff08;\u6587\u4ef6&#xff09;\u7684\u6307\u9488\u6570\u7ec4&#xff0c;\u800c\u6587\u4ef6\u63cf\u8ff0\u7b26\u5c31\u662f\u8fd9\u4e2a\u6570\u7ec4\u7684\u4e0b\u6807\u3002\u5728\u62f7\u8d1d\u540e&#xff0c;\u5b50\u8fdb\u7a0b\u4e5f\u5c31\u6709\u4e86\u6307\u5411struct file&#xff08;\u6587\u4ef6&#xff09;\u7684\u5bf9\u5e94\u6570\u7ec4\u5143\u7d20\u4e0b\u6807&#xff08;\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff09;\u3002\u800cstruct file&#xff08;\u6587\u4ef6&#xff09;\u662f\u72ec\u5c5e\u4e8e\u6587\u4ef6\u7684&#xff0c;\u548c\u8fdb\u7a0b\u6ca1\u6709\u5173\u7cfb&#xff0c;\u4e5f\u5c31\u4e0d\u7528\u62f7\u8d1d&#xff0c;\u4e5f\u5c31\u662f\u8bf4\u6b64\u65f6\u7236\u5b50\u8fdb\u7a0b\u516c\u5171\u533a\u57df\u5c31\u662f struct file\u3002&#xff08;\u5b9e\u73b0\u4e0d\u540c\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90&#xff09;\u3002write\u662f\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3&#xff0c;\u4f1a\u5c06\u6570\u636e\u653e\u5728\u5185\u6838\u7f13\u51b2\u533a&#xff0c;\u5e95\u5c42\u5b9a\u671f\u5237\u65b0\u7f13\u51b2\u533a\u5c06\u5185\u5bb9\u5199\u5230\u78c1\u76d8\u3002<\/p>\n<ul>\n<li>\u521b\u5efa\u7ba1\u9053 \u901a\u8fc7\u7cfb\u7edf\u8c03\u7528 pipe(int fd[2]) \u521b\u5efa\u533f\u540d\u7ba1\u9053&#xff0c;\u8fd4\u56de\u4e24\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff1a; fd[0]&#xff1a;\u8bfb\u7aef&#xff08;read end&#xff09;\u3002 fd[1]&#xff1a;\u5199\u7aef&#xff08;write end&#xff09;\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418211223-6802c0377b640.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u6570\u636e\u6d41\u52a8 \u7236\u8fdb\u7a0b\u901a\u8fc7 write(fd[1], buf, len) \u5411\u7ba1\u9053\u5199\u5165\u6570\u636e\u3002 \u5b50\u8fdb\u7a0b\u901a\u8fc7 read(fd[0], buf, len) \u8bfb\u53d6\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418211223-6802c037aae18.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5b50\u8fdb\u7a0b\u7ee7\u627f\u7236\u8fdb\u7a0b\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868<\/p>\n<hr \/>\n<p>\u533f\u540d\u7ba1\u9053\u7684\u793a\u4f8b<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdio&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/wait.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ 9:<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">ChildWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> wfd<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u5b50\u8fdb\u7a0b\u5199<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> c <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> cnt <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token function\">snprintf<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;I am child, pid: %d, cnt: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">getpid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cnt<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>wfd<span class=\"token punctuation\">,<\/span>buffer<span class=\"token punctuation\">,<\/span><span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">FatherRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> rfd<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u7236\u8fdb\u7a0b\u8bfb<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ sleep(100);<\/span><br \/>\n        <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        buffer<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>rfd<span class=\"token punctuation\">,<\/span> buffer<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            buffer<span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;child say: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> buffer <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ sleep(2);<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;n : &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> n <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;child \u9000\u51fa&#xff0c;\u6211\u4e5f\u9000\u51fa&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ 1. \u521b\u5efa\u7ba1\u9053<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ fds[0]:\u8bfb\u7aef   fds[1]: \u5199\u7aef<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">pipe<\/span><span class=\"token punctuation\">(<\/span>fds<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>cerr <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;pipe error&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;fds[0]: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;fds[1]: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ 2. \u521b\u5efa\u5b50\u8fdb\u7a0b<\/span><br \/>\n    pid_t id <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>id <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ child<\/span><br \/>\n        <span class=\"token comment\">\/\/ code<\/span><br \/>\n        <span class=\"token comment\">\/\/ 3. \u5173\u95ed\u4e0d\u9700\u8981\u7684\u8bfb\u5199\u7aef&#xff0c;\u5f62\u6210\u901a\u4fe1\u4fe1\u9053<\/span><br \/>\n        <span class=\"token comment\">\/\/ f -&gt; r, c -&gt; w<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">ChildWrite<\/span><span class=\"token punctuation\">(<\/span>fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ 3. \u5173\u95ed\u4e0d\u9700\u8981\u7684\u8bfb\u5199\u7aef&#xff0c;\u5f62\u6210\u901a\u4fe1\u4fe1\u9053<\/span><br \/>\n    <span class=\"token comment\">\/\/ f -&gt; r, c -&gt; w<\/span><br \/>\n    <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">FatherRead<\/span><span class=\"token punctuation\">(<\/span>fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>fds<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> status <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">waitpid<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>status<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u83b7\u53d6\u5230\u5b50\u8fdb\u7a0b\u7684\u9000\u51fa\u4fe1\u606f\u5417&#xff01;&#xff01;&#xff01;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;exit code: %d, exit signal: %d\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>status<span class=\"token operator\">&gt;&gt;<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&amp;<\/span><span class=\"token number\">0xFF<\/span><span class=\"token punctuation\">,<\/span> status<span class=\"token operator\">&amp;<\/span><span class=\"token number\">0x7F<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u901a\u8fc7\u5b50\u8fdb\u7a0b\u5199\u7236\u8fdb\u7a0b\u5199&#xff0c;\u5f62\u6210\u4fe1\u9053\u3002<\/p>\n<h3>\u7279\u6027<\/h3>\n<ul>\n<li>\u533f\u540d\u7ba1\u9053&#xff0c;\u53ea\u80fd\u7528\u6765\u8fdb\u884c\u5177\u6709\u8840\u7f18\u5173\u7cfb\u7684\u8fdb\u7a0b\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u3002<\/li>\n<li>\u7ba1\u9053\u662f\u9762\u5411\u5b57\u8282\u6d41\u7684<\/li>\n<li>\u7ba1\u9053\u662f\u5355\u5411\u901a\u4fe1\u7684-\u9700\u8981\u534a\u53cc\u5de5\u7684\u4e00\u79cd\u7279\u6b8a\u60c5\u51b5<\/li>\n<li>\u7ba1\u9053\u6587\u4ef6\u81ea\u5e26\u540c\u6b65\u673a\u5236<\/li>\n<\/ul>\n<p>\u540c\u6b65\u673a\u5236\u7684\u56db\u79cd\u60c5\u51b5&#xff1a;<\/p>\n<ul>\n<li>\u5199\u5165\u6162&#xff0c;\u8bfb\u53d6\u5feb\u3002\u8bfb\u7aef\u5c31\u8981\u963b\u585e&#xff0c;\u7b49\u5199\u7aef\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u8bfb\u7aef\u7b49\u5f85\u5199\u7aef\u8fdb\u884c\u64cd\u4f5c&#xff0c;\u5199\u4e00\u6761\u8bfb\u4e00\u6761\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418211223-6802c037d4a0a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u5199\u5165\u5feb&#xff0c;\u8bfb\u53d6\u6162\u3002\u8bfb\u7aef\u6ee1\u4e86&#xff0c;\u5199\u7aef\u5c31\u8981\u963b\u585e\u3002<\/li>\n<\/ul>\n<p>\u628a\u8bfb\u53d6\u7aef\u4e5f\u5c31\u662f\u7236\u8fdb\u7a0b&#xff0c;\u8bbe\u7f6e\u4e3aslee(5),\u4e00\u77ac\u95f4\u5199\u7aef\u5b50\u8fdb\u7a0b\u5199\u6ee1\u4e86&#xff0c;\u7b49\u5f85\u8bfb\u7aef\u8fdb\u7a0b\u8fdb\u884c\u8bfb\u53d6 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418211223-6802c037f41ec.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u5199\u5173&#xff0c;\u8bfb\u7aef\u7ee7\u7eed\u8bfb\u3002read\u5c31\u4f1a\u8bfb\u5230\u8fd4\u56de\u503c\u4e3a0&#xff0c;\u8868\u793a\u6587\u4ef6\u7684\u7ed3\u5c3e\u3002<\/li>\n<li>\u8bfb\u7aef\u5173\u95ed&#xff0c;\u5199\u7aef\u7ee7\u7eed\u5199\u3002\u5199\u7aef\u7684\u5199\u5165\u65e0\u610f\u4e49\u3002\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u6740\u6389\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n<h3>\u7ba1\u9053\u8bfb\u5199\u89c4\u5219<\/h3>\n<p>\u5f53\u6ca1\u6709\u6570\u636e\u53ef\u8bfb\u65f6<\/p>\n<ul>\n<li>O_NONBLOCK disable&#xff1a;read\u8c03\u7528\u963b\u585e&#xff0c;\u5373\u8fdb\u7a0b\u6682\u505c\u6267\u884c&#xff0c;\u4e00\u76f4\u7b49\u5230\u6709\u6570\u636e\u6765\u5230\u4e3a\u6b62\u3002<\/li>\n<li>O_NONBLOCK enable&#xff1a;read\u8c03\u7528\u8fd4\u56de-1&#xff0c;errno\u503c\u4e3aEAGAIN\u3002<\/li>\n<\/ul>\n<p>\u5f53\u7ba1\u9053\u6ee1\u7684\u65f6\u5019<\/p>\n<ul>\n<li>O_NONBLOCK disable&#xff1a; write\u8c03\u7528\u963b\u585e&#xff0c;\u76f4\u5230\u6709\u8fdb\u7a0b\u8bfb\u8d70\u6570\u636e<\/li>\n<li>O_NONBLOCK enable&#xff1a;\u8c03\u7528\u8fd4\u56de-1&#xff0c;errno\u503c\u4e3aEAGAIN \u5982\u679c\u6240\u6709\u7ba1\u9053\u5199\u7aef\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u88ab\u5173\u95ed&#xff0c;\u5219read\u8fd4\u56de0 \u5982\u679c\u6240\u6709\u7ba1\u9053\u8bfb\u7aef\u5bf9\u5e94\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u88ab\u5173\u95ed&#xff0c;\u5219write\u64cd\u4f5c\u4f1a\u4ea7\u751f\u4fe1\u53f7SIGPIPE,\u8fdb\u800c\u53ef\u80fd\u5bfc\u81f4write\u8fdb\u7a0b<\/li>\n<\/ul>\n<p>\u9000\u51fa<\/p>\n<p>\u5f53\u8981\u5199\u5165\u7684\u6570\u636e\u91cf\u4e0d\u5927\u4e8ePIPE_BUF\u65f6&#xff0c;linux\u5c06\u4fdd\u8bc1\u5199\u5165\u7684\u539f\u5b50\u6027\u3002 \u5f53\u8981\u5199\u5165\u7684\u6570\u636e\u91cf\u5927\u4e8ePIPE_BUF\u65f6&#xff0c;linux\u5c06\u4e0d\u518d\u4fdd\u8bc1\u5199\u5165\u7684\u539f\u5b50\u6027\u3002<\/p>\n<h2>\u56db\u3001\u57fa\u4e8e\u533f\u540d\u7ba1\u9053\u7684\u8fdb\u7a0b\u6c60<\/h2>\n<p>\u6c60\u5316\u6280\u672f&#xff08;Pooling Technology&#xff09; \u662f\u4e00\u79cd\u901a\u8fc7\u9884\u5148\u521b\u5efa\u5e76\u590d\u7528\u8d44\u6e90\u5b9e\u4f8b\u6765\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\u7684\u6280\u672f\u3002\u5176\u6838\u5fc3\u601d\u60f3\u662f\u51cf\u5c11\u8d44\u6e90\u9891\u7e41\u521b\u5efa\u4e0e\u9500\u6bc1\u7684\u5f00\u9500&#xff0c;\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e\u6c60\u5316\u6280\u672f\u7684\u8be6\u7ec6\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\u9884\u521b\u5efa\u8d44\u6e90&#xff1a;\u5728\u7cfb\u7edf\u521d\u59cb\u5316\u65f6&#xff0c;\u9884\u5148\u521b\u5efa\u4e00\u5b9a\u6570\u91cf\u7684\u8d44\u6e90\u5b9e\u4f8b&#xff08;\u5982\u8fdb\u7a0b\u3001\u7ebf\u7a0b\u3001\u6570\u636e\u5e93\u8fde\u63a5\u7b49&#xff09;\u3002<\/li>\n<li>\u590d\u7528\u673a\u5236&#xff1a;\u5f53\u4efb\u52a1\u9700\u8981\u8d44\u6e90\u65f6&#xff0c;\u76f4\u63a5\u4ece\u6c60\u4e2d\u83b7\u53d6\u5df2\u521b\u5efa\u7684\u5b9e\u4f8b&#xff0c;\u800c\u975e\u65b0\u5efa&#xff1b;\u4efb\u52a1\u5b8c\u6210\u540e&#xff0c;\u8d44\u6e90\u5f52\u8fd8\u6c60\u5185\u4f9b\u540e\u7eed\u4efb\u52a1\u4f7f\u7528\u3002<\/li>\n<li>\u52a8\u6001\u7ba1\u7406&#xff1a;\u90e8\u5206\u6c60\u5316\u6280\u672f\u652f\u6301\u6839\u636e\u8d1f\u8f7d\u52a8\u6001\u8c03\u6574\u8d44\u6e90\u6570\u91cf&#xff08;\u5982\u6269\u5bb9\u6216\u7f29\u5bb9&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u8fdb\u7a0b\u6c60&#xff08;Process Pool&#xff09;\u9002\u7528\u573a\u666f&#xff1a;CPU \u5bc6\u96c6\u578b\u4efb\u52a1&#xff08;\u5982\u5e76\u884c\u8ba1\u7b97\u3001\u6279\u91cf\u6570\u636e\u5904\u7406&#xff09;\u3002 \u7279\u70b9&#xff1a;\u6bcf\u4e2a\u8fdb\u7a0b\u72ec\u7acb\u62e5\u6709\u5185\u5b58\u7a7a\u95f4&#xff0c;\u907f\u514d\u5168\u5c40\u53d8\u91cf\u51b2\u7a81\u3002\u9002\u5408\u591a\u6838 CPU&#xff0c;\u4f46\u5185\u5b58\u5360\u7528\u8f83\u9ad8\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u57fa\u4e8e\u533f\u540d\u7ba1\u9053\u5b9e\u73b0\u7684\u7b80\u5355\u8fdb\u7a0b\u6c60 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418211224-6802c0387de04.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">_PROCESS_POOL_HPP_<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">_PROCESS_POOL_HPP_<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/wait.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Task.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> Poolnum <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Channel<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> pid_t pid<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_wfd<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_supid<\/span><span class=\"token punctuation\">(<\/span>pid<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChannelManager<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ChannelManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">ChannelManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProcessPool<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ProcessPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_process_num<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">work<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> rfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> _process_num<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u7ba1\u9053<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">pipe<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            pid_t supid <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u8fdb\u7a0b<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>supid <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>supid <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5b50\u8fdb\u7a0b\u8bfb<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5173\u95ed\u5b50\u8fdb\u7a0b\u5199\u7aef<\/span><br \/>\n                <span class=\"token function\">work<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u7236\u8fdb\u7a0b\u5199<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5173\u95ed\u5b50\u8fdb\u7a0b\u8bfb\u7aef<\/span><br \/>\n                _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Insert<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> supid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">ProcessPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>\u6574\u4f53\u6846\u67b6\u662f&#xff0c;\u6709\u4e00\u4e2achannel\u7c7b\u662f\u5bf9\u5355\u4e2a\u7684\u4fe1\u9053\u8fdb\u884c\u63cf\u8ff0\u7684&#xff0c;\u4e00\u4e2achannelmanager\u7c7b\u662f\u5bf9\u591a\u4e2a\u4fe1\u9053\u8fdb\u884c\u63cf\u8ff0&#xff0c;\u6700\u540e\u662fprocesspool\u662f\u5bf9\u8fdb\u7a0b\u7684\u8bfb\u5199\u4ee5\u53ca\u6574\u4f53\u8fdb\u884c\u63cf\u8ff0\u7684\u3002<\/p>\n<hr \/>\n<p>\u4ee5\u4e0b\u662fprocress\u8fd9\u4e2a\u7c7b\u5185\u90e8\u51fd\u6570\u7684\u7406\u89e3<\/p>\n<p><span class=\"token keyword\">bool<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> _process_num<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u7ba1\u9053<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">pipe<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            pid_t supid <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u8fdb\u7a0b<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>supid <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>supid <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5b50\u8fdb\u7a0b\u8bfb<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5173\u95ed\u5b50\u8fdb\u7a0b\u5199\u7aef<\/span><br \/>\n                <span class=\"token function\">work<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u7236\u8fdb\u7a0b\u5199<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5173\u95ed\u5b50\u8fdb\u7a0b\u8bfb\u7aef<\/span><br \/>\n                _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Insert<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> supid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u91cc\u521b\u5efa\u8fdb\u7a0b\u548c\u533f\u540d\u7ba1\u9053&#xff0c;\u8ba9\u5b50\u8fdb\u7a0b\u8bfb\u7236\u8fdb\u7a0b\u5199\u3002\u6ce8\u610f\u4fe1\u9053\u662f\u591a\u4e2a\u7684\u6570\u91cf\u7531\u4f60\u81ea\u5df1\u6765\u8bbe\u5b9a&#xff0c;\u6240\u4ee5\u8bbe\u7f6e\u4e00\u4e2afor\u5faa\u73af\u8fdb\u884c\u521b\u5efa\u591a\u4e2a\u5b50\u8fdb\u7a0b\u4e0e\u4fe1\u9053\u3002\u628a\u7236\u8fdb\u7a0b\u7684\u5199\u7aef\u548c\u8fdb\u7a0b\u7684pid\u4f20\u7ed9\u5177\u4f53\u7684channel\u4fe1\u9053&#xff0c;\u5177\u4f53\u7684\u5de5\u4f5c\u8ba9\u5177\u4f53\u7684channel\u4fe1\u9053\u5b8c\u6210\u3002<\/p>\n<p> <span class=\"token function\">ProcessPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> num<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_process_num<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">work<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> rfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> code <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>rfd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>code<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5b50\u8fdb\u7a0bpid-&gt;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">getpid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u6536\u5230\u4efb\u52a1\u7801-&gt;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> code <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n            _tm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Execute<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5b50\u8fdb\u7a0b\u9000\u51fa&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u8bfb\u53d6\u9519\u8bef&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e0a\u9762\u662f\u6784\u9020\u548c\u5b50\u8fdb\u7a0b\u7684\u8bfb\u7aef\u662f\u5982\u4f55\u5de5\u4f5c\u7684&#xff0c;\u5728\u8fd9\u91cc\u8bbe\u7f6e\u4e00\u4e2a\u4efb\u52a1\u7801code&#xff0c;\u8ba9\u5b50\u8fdb\u7a0b\u6839\u636e\u4efb\u52a1\u7801\u7684\u4e0d\u540c\u53bb\u505a\u4e0d\u540c\u7684\u5de5\u4f5c\u3002<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> taskcode <span class=\"token operator\">&#061;<\/span> _tm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Code<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9009\u62e9\u4e00\u4e2a\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>c <span class=\"token operator\">&#061;<\/span> _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Select<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u9009\u62e9\u4e00\u4e2a\u4fe1\u9053<\/span><br \/>\n        c<span class=\"token punctuation\">.<\/span><span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span>taskcode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u53d1\u9001\u4efb\u52a1\u7801<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7236\u8fdb\u7a0b\u8bfb\u7aef\u5173\u95ed<\/span><br \/>\n        _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">StopSubProcess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u56de\u6536\u5b50\u8fdb\u7a0b<\/span><br \/>\n        _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">WaitSubProcess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e0a\u9762\u4ee3\u7801\u662f\u9009\u62e9\u4efb\u52a1\u7801&#xff0c;\u5b50\u8fdb\u7a0b\u9700\u8981\u6536\u5230\u4efb\u52a1\u7801\u7136\u540e\u53bb\u505a\u4e0d\u540c\u7684\u5de5\u4f5c&#xff0c;\u53d1\u7ed9\u4fe1\u9053\u7136\u540e\u5bf9\u5e94\u7684\u5b50\u8fdb\u7a0b\u63a5\u6536\u4efb\u52a1\u5417\u5b8c\u6210\u5de5\u4f5c\u3002\u8fd9\u91cc\u5728\u4efb\u52a1\u51fd\u6570\u4e2d\u5728\u8be6\u7ec6\u804a\u3002 \u6267\u884c\u4efb\u52a1\u5b8c\u6210\u540e\u7236\u8fdb\u7a0b\u8bfb\u7aef\u548c\u5b50\u8fdb\u7a0b\u5199\u7aef\u90fd\u9700\u8981\u5173\u95ed\u3002<\/p>\n<hr \/>\n<p>\u4e0b\u9762\u662fchannel\u7c7b<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Channel<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> pid_t pid<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_wfd<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_supid<\/span><span class=\"token punctuation\">(<\/span>pid<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Channel-&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>_wfd<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;-&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>_supid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> code<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>_wfd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>code<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span>n<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_wfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        pid_t rid <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">waitpid<\/span><span class=\"token punctuation\">(<\/span>_supid<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span>rid<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    string <span class=\"token function\">Name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _name<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _wfd<span class=\"token punctuation\">;<\/span><br \/>\n    pid_t _supid<span class=\"token punctuation\">;<\/span><br \/>\n    string _name<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6784\u9020\u63a5\u6536\u5199\u7aef\u548cpid&#xff0c;send()\u51fd\u6570\u5bf9\u5e94processpool\u7c7b\u4e2d\u7684\u53d1\u9001\u4efbf\u52a1\u7801&#xff0c;\u8981\u5728\u5177\u4f53\u7684channel\u4fe1\u9053\u4e2d\u53d1\u9001\u4efb\u52a1\u7801\u7ed9\u5b50\u8fdb\u7a0b&#xff0c;\u6bcf\u4e2a\u5b50\u8fdb\u7a0b\u624d\u80fd\u63a5\u53d7\u5230\u5bf9\u5e94\u7684\u4efb\u52a1\u7801\u3002\u8fd9\u91cc\u7684close\u548cwait\u5c31\u662f\u5173\u95ed\u5199\u7aef\u548c\u56de\u6536\u5b50\u8fdb\u7a0b&#xff0c;\u5bf9\u5e94processpool\u4e2d\u7684void Stop()\u3002<\/p>\n<hr \/>\n<p>\u4e0b\u9762\u662fChannelManager\u7c7b<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChannelManager<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ChannelManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> next <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_next<\/span><span class=\"token punctuation\">(<\/span>next<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Insert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> pid<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">emplace_back<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> pid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    Channel <span class=\"token operator\">&amp;<\/span><span class=\"token function\">Select<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>c <span class=\"token operator\">&#061;<\/span> _channel<span class=\"token punctuation\">[<\/span>_next<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _next<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _next <span class=\"token operator\">%&#061;<\/span> _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> c<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">StopSubProcess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>channel <span class=\"token operator\">:<\/span> _channel<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5173\u95ed: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WaitSubProcess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>channel <span class=\"token operator\">:<\/span> _channel<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u56de\u6536: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">ChannelManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span>Channel<span class=\"token operator\">&gt;<\/span> _channel<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _next<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5bf9\u901a\u4fe1\u4fe1\u9053\u7528vector\u6570\u7ec4\u8fdb\u7a0b\u7ba1\u7406\u3002 Channel &amp;Select()&#xff0c;\u662f\u9009\u62e9\u4efb\u52a1\u7801\u7684\u65f6\u5019\u5728\u6574\u4e2a\u901a\u4fe1\u4fe1\u9053\u7684\u6570\u7ec4\u4e2d\u91c7\u7528\u6ca6\u9677\u7684\u65b9\u5f0f\u8fdb\u884c\u9009\u62e9\u4fe1\u9053\u3002 void Insert(int fd, int pid)\u5c31\u662f\u4f20\u8fc7\u6765\u5199\u7aef\u548c\u8fdb\u7a0bpid\u4e0echannel\u7684\u6784\u9020\u76f8\u5173\u8054\u4e0eprocesspool\u7684\u7236\u8fdb\u7a0b\u4f20\u5199\u7aef\u548cpid\u76f8\u5173\u8054\u3002void StopSubProcess() void WaitSubProcess()\u5c31\u662f\u5173\u95ed\u5199\u7aef\u548c\u7b49\u5f85\u5b50\u8fdb\u7a0b\u4e0eclose()\u548cwait()\u76f8\u5173\u8054\u3002<\/p>\n<hr \/>\n<p>\u4efb\u52a1\u7801\u5177\u4f53\u5b9e\u73b0\u7684\u51fd\u6570<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>task_t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u51fd\u6570\u6307\u9488<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">PrintLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;\u6211\u662f\u4e00\u4e2a\u6253\u5370\u65e5\u5fd7\u7684\u4efb\u52a1&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">DownLoad<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;\u6211\u662f\u4e00\u4e2a\u4e0b\u8f7d\u7684\u4efb\u52a1&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">UpLoad<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;\u6211\u662f\u4e00\u4e2a\u4e0a\u4f20\u7684\u4efb\u52a1&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TaskManager<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TaskManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">srand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">time<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u65f6\u95f4\u6233\u79cd\u5b50<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> <span class=\"token function\">Code<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u4ea7\u751f\u968f\u673a\u503c<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">%<\/span>_tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Register<\/span><span class=\"token punctuation\">(<\/span>task_t t<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u6ce8\u518c\u4efb\u52a1<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> code<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token operator\">&gt;&#061;<\/span><span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> code<span class=\"token operator\">&lt;<\/span>_tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _tasks<span class=\"token punctuation\">[<\/span>code<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span>task_t<span class=\"token operator\">&gt;<\/span> _tasks<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u7528\u51fd\u6570\u6307\u9488&#xff0c;\u6839\u636e\u65f6\u95f4\u6233\u4ea7\u751f\u968f\u673a\u503c&#xff0c;\u7136\u540e\u628a\u5bf9\u5e94\u6ce8\u518c\u7684\u4efb\u52a1\u653e\u8fdb\u5b58\u50a8\u4efb\u52a1\u7684\u6570\u7ec4\u4e2d&#xff0c;\u6700\u540eexecute\u51fd\u6570\u6839\u636e\u4ea7\u751f\u7684\u4efb\u52a1\u7801\u5728\u50a8\u5b58\u4efb\u52a1\u7684\u6570\u7ec4\u4e2d\u9009\u62e9\u4efb\u52a1\u3002<\/p>\n<p>\u5b50\u8fdb\u7a0bwork\u5c31\u662f\u8c03\u7528execute()\u628a\u6536\u5230\u7684\u4efb\u52a1\u7801\u7ed9\u8fd9\u4e2a\u51fd\u6570\u7136\u540e\u8ba9\u8fd9\u4e2a\u51fd\u6570\u8fdb\u884c\u9009\u62e9\u5bf9\u5e94\u7684\u4efb\u52a1\u3002<\/p>\n<p>   <span class=\"token keyword\">void<\/span> <span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> taskcode <span class=\"token operator\">&#061;<\/span> _tm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Code<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9009\u62e9\u4e00\u4e2a\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>c <span class=\"token operator\">&#061;<\/span> _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Select<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u9009\u62e9\u4e00\u4e2a\u4fe1\u9053<\/span><br \/>\n        c<span class=\"token punctuation\">.<\/span><span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span>taskcode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u53d1\u9001\u4efb\u52a1\u7801<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5728\u6b21\u91cd\u65b0\u804a\u4e00\u4e0bprocesspool\u4e2d\u7684run\u51fd\u6570&#xff0c;\u901a\u8fc7\u8c03\u7528task.hpp\u7684code\u51fd\u6570&#xff0c;\u83b7\u5f97\u4efb\u52a1\u7801&#xff0c;\u7136\u540e\u901a\u8fc7Select()\u51fd\u6570\u9009\u62e9\u4ee5\u4e00\u4e2a\u4fe1\u9053&#xff0c;\u7136\u540e\u53d1\u9001\u4efb\u52a1\u7801\u7ed9\u5b50\u8fdb\u7a0b&#xff0c;\u5b50\u8fdb\u7a0b\u63a5\u53d7\u4efb\u52a1\u7801\u7136\u540e\u5b50\u8fdb\u7a0b\u5f00\u59cb\u8fd0\u884c\u3002<\/p>\n<hr \/>\n<p>ProcessPool.hpp<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifndef<\/span> <span class=\"token expression\">_PROCESS_POOL_HPP_<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">_PROCESS_POOL_HPP_<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstdlib&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/types.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/wait.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;Task.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> Poolnum <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Channel<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> pid_t pid<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_wfd<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_supid<\/span><span class=\"token punctuation\">(<\/span>pid<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Channel-&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>_wfd<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;-&#034;<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>_supid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> code<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>_wfd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>code<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span>n<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>_wfd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        pid_t rid <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">waitpid<\/span><span class=\"token punctuation\">(<\/span>_supid<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span>rid<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    string <span class=\"token function\">Name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _name<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token operator\">~<\/span><span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _wfd<span class=\"token punctuation\">;<\/span><br \/>\n    pid_t _supid<span class=\"token punctuation\">;<\/span><br \/>\n    string _name<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChannelManager<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ChannelManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> next <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_next<\/span><span class=\"token punctuation\">(<\/span>next<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Insert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> pid<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">emplace_back<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> pid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    Channel <span class=\"token operator\">&amp;<\/span><span class=\"token function\">Select<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>c <span class=\"token operator\">&#061;<\/span> _channel<span class=\"token punctuation\">[<\/span>_next<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _next<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _next <span class=\"token operator\">%&#061;<\/span> _channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> c<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">StopSubProcess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>channel <span class=\"token operator\">:<\/span> _channel<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5173\u95ed: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WaitSubProcess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>channel <span class=\"token operator\">:<\/span> _channel<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u56de\u6536: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">Name<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token operator\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">ChannelManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span>Channel<span class=\"token operator\">&gt;<\/span> _channel<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _next<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProcessPool<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">ProcessPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> num<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_process_num<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _tm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Register<\/span><span class=\"token punctuation\">(<\/span>PrintLog<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _tm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Register<\/span><span class=\"token punctuation\">(<\/span>DownLoad<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _tm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Register<\/span><span class=\"token punctuation\">(<\/span>UpLoad<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">work<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> rfd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> code <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        ssize_t n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>rfd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>code<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5b50\u8fdb\u7a0bpid-&gt;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token function\">getpid<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u6536\u5230\u4efb\u52a1\u7801-&gt;&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> code <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n            _tm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Execute<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u5b50\u8fdb\u7a0b\u9000\u51fa&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\u8bfb\u53d6\u9519\u8bef&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> _process_num<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u7ba1\u9053<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">pipe<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            pid_t supid <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">fork<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u521b\u5efa\u8fdb\u7a0b<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>supid <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>supid <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5b50\u8fdb\u7a0b\u8bfb<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5173\u95ed\u5b50\u8fdb\u7a0b\u5199\u7aef<\/span><br \/>\n                <span class=\"token function\">work<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u7236\u8fdb\u7a0b\u5199<\/span><br \/>\n                <span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5173\u95ed\u5b50\u8fdb\u7a0b\u8bfb\u7aef<\/span><br \/>\n                _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Insert<\/span><span class=\"token punctuation\">(<\/span>pipefd<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> supid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> taskcode <span class=\"token operator\">&#061;<\/span> _tm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Code<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9009\u62e9\u4e00\u4e2a\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>c <span class=\"token operator\">&#061;<\/span> _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">Select<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u9009\u62e9\u4e00\u4e2a\u4fe1\u9053<\/span><br \/>\n        c<span class=\"token punctuation\">.<\/span><span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span>taskcode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u53d1\u9001\u4efb\u52a1\u7801<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7236\u8fdb\u7a0b\u8bfb\u7aef\u5173\u95ed<\/span><br \/>\n        _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">StopSubProcess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u56de\u6536\u5b50\u8fdb\u7a0b<\/span><br \/>\n        _cm<span class=\"token punctuation\">.<\/span><span class=\"token function\">WaitSubProcess<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">ProcessPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _process_num <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ChannelManager _cm<span class=\"token punctuation\">;<\/span><br \/>\n    TaskManager _tm<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>Task.hpp<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">*<\/span>task_t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u51fd\u6570\u6307\u9488<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">PrintLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;\u6211\u662f\u4e00\u4e2a\u6253\u5370\u65e5\u5fd7\u7684\u4efb\u52a1&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">DownLoad<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;\u6211\u662f\u4e00\u4e2a\u4e0b\u8f7d\u7684\u4efb\u52a1&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">UpLoad<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    cout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">&#034;\u6211\u662f\u4e00\u4e2a\u4e0a\u4f20\u7684\u4efb\u52a1&#034;<\/span><span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TaskManager<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">TaskManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">srand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">time<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u65f6\u95f4\u6233\u79cd\u5b50<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> <span class=\"token function\">Code<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u4ea7\u751f\u968f\u673a\u503c<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">rand<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">%<\/span>_tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Register<\/span><span class=\"token punctuation\">(<\/span>task_t t<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u6ce8\u518c\u4efb\u52a1<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Execute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> code<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>code<span class=\"token operator\">&gt;&#061;<\/span><span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> code<span class=\"token operator\">&lt;<\/span>_tasks<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _tasks<span class=\"token punctuation\">[<\/span>code<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span>task_t<span class=\"token operator\">&gt;<\/span> _tasks<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>main.cc<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;ProcessPool.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ProcessPool <span class=\"token function\">pp<\/span><span class=\"token punctuation\">(<\/span>Poolnum<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    pp<span class=\"token punctuation\">.<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ch<span class=\"token operator\">&#061;<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        pp<span class=\"token punctuation\">.<\/span><span class=\"token function\">Run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    pp<span class=\"token punctuation\">.<\/span><span class=\"token function\">Stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.1k\u6b21\uff0c\u70b9\u8d5e61\u6b21\uff0c\u6536\u85cf46\u6b21\u3002\u7b80\u4ecb\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff08IPC\uff0cInter-Process Communication\uff09\u662f\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u4e0d\u540c\u8fdb\u7a0b\u4e4b\u95f4\u4ea4\u6362\u6570\u636e\u3001\u534f\u8c03\u5de5\u4f5c\u7684\u6838\u5fc3\u673a\u5236\u3002\u7531\u4e8e\u6bcf\u4e2a\u8fdb\u7a0b\u62e5\u6709\u72ec\u7acb\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5f7c\u6b64\u9694\u79bb\uff0c\u56e0\u6b64\u9700\u8981\u7279\u5b9a\u7684\u6280\u672f\u624b\u6bb5\u5b9e\u73b0\u8de8\u8fdb\u7a0b\u534f\u4f5c\u3002\u8fdb\u7a0b\u95f4\u901a\u4fe1(IPC)\u662f\u6307\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u6216\u4e0d\u540c\u8ba1\u7b97\u673a\u4e0a\u7684\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u548c\u901a\u4fe1\u7684\u6280\u672f\u3002\u7531\u4e8e\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u5b83\u4eec\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u5f7c\u6b64\u7684\u6570\u636e\uff0c\u56e0\u6b64\u9700\u8981\u901a\u8fc7\u7279\u5b9a\u7684\u673a\u5236\u5b9e\u73b0\u901a\u4fe1\u3002IPC\u662f\u64cd\u4f5c\u7cfb\u7edf\u548c\u591a\u8fdb\u7a0b\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u591a\u4efb\u52a1\u64cd\u4f5c\u7cfb\u7edf\u4ee5\u53ca\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u3002_\u533f\u540d\u7ba1\u9053\u901a\u4fe1<\/p>\n","protected":false},"author":2,"featured_media":21976,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,305],"topic":[],"class_list":["post-21984","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-43","tag-305"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Linux\u7b14\u8bb0\u3011\u8fdb\u7a0b\u95f4\u901a\u4fe1\u2014\u2014\u533f\u540d\u7ba1\u9053||\u8fdb\u7a0b\u6c60 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/21984.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Linux\u7b14\u8bb0\u3011\u8fdb\u7a0b\u95f4\u901a\u4fe1\u2014\u2014\u533f\u540d\u7ba1\u9053||\u8fdb\u7a0b\u6c60 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" 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