{"id":41136,"date":"2025-05-31T06:50:37","date_gmt":"2025-05-30T22:50:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/41136.html"},"modified":"2025-05-31T06:50:37","modified_gmt":"2025-05-30T22:50:37","slug":"linux%ef%bc%9a%e8%bf%9b%e7%a8%8b%e9%97%b4%e9%80%9a%e4%bf%a1-%e5%91%bd%e5%90%8d%e7%ae%a1%e9%81%93%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/41136.html","title":{"rendered":"Linux\uff1a\u8fdb\u7a0b\u95f4\u901a\u4fe1---\u547d\u540d\u7ba1\u9053&amp;&amp;\u5171\u4eab\u5185\u5b58"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\n<ul>\n<li>1.\u547d\u540d\u7ba1\u9053<\/li>\n<li>\n<ul>\n<li>1.1 \u547d\u540d\u7ba1\u9053\u662f\u4ec0\u4e48<\/li>\n<li>1.2 \u5982\u4f55\u521b\u5efa\u547d\u540d\u7ba1\u9053<\/li>\n<li>1.3 \u5982\u4f55\u901a\u8fc7\u547d\u540d\u7ba1\u9053\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/li>\n<\/ul>\n<\/li>\n<li>2. \u5171\u4eab\u5185\u5b58<\/li>\n<li>\n<ul>\n<li>2.1 \u5171\u4eab\u5185\u5b58\u7684\u539f\u7406<\/li>\n<li>2.2 \u5171\u4eab\u5185\u5b58\u7684\u7cfb\u7edf\u63a5\u53e3\u4e0e\u63a5\u53e3\u7684\u8c03\u7528<\/li>\n<li>2.3 \u5171\u4eab\u5185\u5b58\u7684\u6302\u63a5<\/li>\n<li>2.4 \u5171\u4eab\u5185\u5b58\u7684\u7279\u6027<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>\u5e8f&#xff1a;\u5728\u4e0a\u4e00\u7ae0\u5bf9\u7528\u6765\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u533f\u540d\u7ba1\u9053\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u8bf4\u660e&#xff0c;\u77e5\u9053\u4e86\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u672c\u8d28\u5c31\u662f\u4e0d\u540c\u8fdb\u7a0b\u95f4\u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90&#xff0c;\u8fd8\u77e5\u9053\u4e86\u7ba1\u9053\u7684\u7cfb\u7edf\u8c03\u7528\u548c\u7ba1\u9053\u7684\u4f7f\u7528&#xff0c;\u901a\u8fc7\u603b\u7ed3\u56db\u79cd\u60c5\u51b5\u548c\u4e94\u4e2d\u7279\u5f81\u7684\u65b9\u5f0f\u4e86\u89e3\u6df1\u5165\u4e86\u89e3\u4e86\u7ba1\u9053\u7684\u4f7f\u7528\u60c5\u51b5&#xff01;&#xff01;&#xff01;\u800c\u672c\u7ae0\u5c06\u5148\u5bf9\u4e0a\u4e00\u7ae0\u7684\u7ba1\u9053\u51fa\u53d1&#xff0c;\u6765\u5f15\u5165\u4e00\u4e2a\u65b0\u7684\u6982\u5ff5\u2014\u547d\u540d\u7ba1\u9053&#xff0c;\u6211\u4eec\u4f1a\u77e5\u9053\u547d\u540d\u7ba1\u9053\u533a\u522b\u4e8e\u533f\u540d\u7ba1\u9053\u6709\u4ec0\u4e48\u7279\u6b8a&#xff0c;\u53c8\u662f\u600e\u4e48\u4f7f\u7528\u7684&#xff0c;\u5176\u6b21\u672c\u7ae0\u8fd8\u4f1a\u4ece\u5171\u4eab\u5185\u5b58\u7684\u89d2\u5ea6\u6765\u8bb2\u8ff0\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff0c;\u6211\u4eec\u4f1a\u77e5\u9053\u4ec0\u4e48\u662f\u5171\u4eab\u5185\u5b58&#xff0c;\u5171\u4eab\u5185\u5b58\u7684\u539f\u7406\u662f\u662f\u4ec0\u4e48&#xff1f;\u4ed6\u7684\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3\u53c8\u662f\u4ec0\u4e48&#xff0c;\u4ee5\u53ca\u600e\u4e48\u8bbf\u95ee\u548c\u4f7f\u7528\u5171\u4eab\u5185\u5b58&#xff01;&#xff01;&#xff01;<\/li>\n<\/ul>\n<h4>1.\u547d\u540d\u7ba1\u9053<\/h4>\n<h5>1.1 \u547d\u540d\u7ba1\u9053\u662f\u4ec0\u4e48<\/h5>\n<p>\u5728\u4e0a\u4e00\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u5bf9\u533f\u540d\u7ba1\u9053\u8fdb\u884c\u4e86\u6df1\u5165\u7684\u5b66\u4e60&#xff0c;\u77e5\u9053\u4e86\u533f\u540d\u7ba1\u9053\u662f\u57fa\u4e8e\u6709\u201c\u8840\u7f18\u5173\u7cfb\u201d\u7684\u8fdb\u7a0b\u95f4\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u4e00\u79cd\u65b9\u5f0f&#xff01;&#xff01;&#xff01;\u800c\u672c\u7ae0\u7684\u547d\u540d\u7ba1\u9053\u5219\u4e0d\u540c&#xff0c;\u6211\u4eec\u8981\u63a2\u8ba8\u7684\u662f&#xff0c;\u5982\u4f55\u8ba9\u4e24\u4e2a\u4e0d\u76f8\u5e72\u7684\u8fdb\u7a0b\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff01;&#xff01;&#xff01;\u6240\u4ee5\u547d\u540d\u7ba1\u9053\u5c31\u662f\u4e00\u79cd\u80fd\u8ba9\u4e24\u4e2a\u6beb\u4e0d\u76f8\u5e72\u7684\u8fdb\u7a0b\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u4e00\u4e2a\u7ba1\u9053\u6587\u4ef6&#xff01;&#xff01;&#xff01;<\/p>\n<h5>1.2 \u5982\u4f55\u521b\u5efa\u547d\u540d\u7ba1\u9053<\/h5>\n<p>mkfifo &#043;[\u6587\u4ef6\u540d]<\/p>\n<p>\u5982\u56fe&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225035-683a363b4da33.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u8be5\u6587\u4ef6\u7684\u6743\u9650\u524d\u4e00\u4f4d\u662fp&#xff0c;\u6240\u4ee5\u8fd9\u662f\u4e00\u4e2a\u7ba1\u9053\u6587\u4ef6&#xff01;&#xff01;&#xff01;<\/p>\n<h5>1.3 \u5982\u4f55\u901a\u8fc7\u547d\u540d\u7ba1\u9053\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/h5>\n<p>\u6211\u5728\u4e91\u670d\u52a1\u5668\u4e2d\u5f00\u4e86\u4e24\u4e2a\u6beb\u4e0d\u76f8\u5e72\u7684\u8fdb\u7a0b&#xff0c;\u6211\u4eec\u5c06\u5de6\u8fb9\u7684\u8fdb\u7a0b\u547d\u540d\u4e3a\u8fdb\u7a0b1&#xff0c;\u53f3\u8fb9\u7684\u8fdb\u7a0b\u547d\u540d\u4e3a\u8fdb\u7a0b2&#xff0c;\u5982\u56fe&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225035-683a363b61468.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5f53\u8fdb\u7a0b1\u5411\u8be5\u7ba1\u9053\u6587\u4ef6\u8f93\u5165\u201chello linux\u201d\u7684\u65f6\u5019&#xff0c;\u8fdb\u7a0b1\u51fa\u73b0\u4e86\u963b\u585e\u73b0\u8c61&#xff0c;\u6b64\u65f6\u6211\u4eec\u5728\u8fdb\u7a0b2\u4e2d\u67e5\u770b\u8be5\u7ba1\u9053\u6587\u4ef6\u7684\u5927\u5c0f\u65f6\u53d1\u73b0\u7adf\u7136\u662f0&#xff0c;\u63a5\u7740&#xff0c;\u6211\u4eec\u8ba9\u8fdb\u7a0b1\u7ee7\u7eed\u963b\u585e&#xff0c;\u8fdb\u7a0b2\u5c06\u8be5\u7ba1\u9053\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u6253\u5370\u51fa\u6765&#xff01;&#xff01;&#xff01;<\/p>\n<p>\u5982\u56fe&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225035-683a363b7165e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u6211\u4eec\u53d1\u73b0&#xff0c;\u8fdb\u7a0b2\u5c06\u201chello linux\u201d\u6253\u5370\u51fa\u6765\u4e86&#xff0c;\u6b64\u65f6&#xff0c;\u8fdb\u7a0b1\u4e5f\u9000\u51fa\u4e86\u963b\u585e\u72b6\u6001&#xff01;&#xff01;&#xff01;<\/p>\n<p>\u4ece\u4e0a\u9762\u4e24\u5f20\u56fe\u5206\u6790&#xff0c;\u6211\u4eec\u53ef\u4ee5\u77e5\u9053&#xff0c;\u8be5\u7ba1\u9053\u6587\u4ef6\u7684\u5927\u5c0f\u4e0d\u4f1a\u53d8\u5316&#xff0c;\u5373\u8be5\u6587\u4ef6\u7f13\u51b2\u533a\u4e2d\u7684\u5185\u5bb9\u4e0d\u4f1a\u5237\u65b0\u5230\u78c1\u76d8\u5f53\u4e2d&#xff0c;\u6240\u4ee5&#xff0c;\u7ba1\u9053\u6587\u4ef6\u662f\u4e00\u4e2a\u5185\u5b58\u7ea7\u6587\u4ef6\u548c\u533f\u540d\u6587\u4ef6\u4e00\u6837\u3002<\/p>\n<p>\u95ee\u9898\u4e00&#xff1a;\u5982\u679c\u8ba9\u4e24\u4e2a\u4e0d\u540c\u7684\u8fdb\u7a0b&#xff0c;\u6253\u5f00\u540c\u4e00\u4e2a\u6587\u4ef6\u7684\u65f6\u5019&#xff0c;\u5728\u5185\u6838\u4e2d&#xff0c;OS\u4f1a\u6253\u5f00\u51e0\u4e2a\u6587\u4ef6&#xff1f;&#xff08;\u8fdb\u7a0b\u901a\u4fe1\u7684\u524d\u63d0\u662f&#xff1a;\u5148\u8ba9\u4e0d\u540c\u7684\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90&#xff09;<\/p>\n<p>1\u4e2a&#xff0c;\u53ea\u4e0d\u8fc7\u662f\u4e24\u4e2a\u4e0d\u540c\u7684struct file\u7ed3\u6784\u4f53\u6307\u5411\u540c\u4e00\u4e2a\u6587\u4ef6\u6587\u4ef6\u7f13\u51b2\u533a<\/p>\n<p>\u95ee\u9898\u4e8c&#xff1a;\u8fd9\u4e24\u4e2a\u8fdb\u7a0b\u6253\u5f00\u7684\u662f\u540c\u4e00\u4e2a\u6587\u4ef6\u5417&#xff1f;\u4e3a\u4ec0\u4e48&#xff1f;<\/p>\n<p>\u56e0\u4e3a\u540c\u8def\u5f84\u4e0b\u540c\u4e00\u4e2a\u6587\u4ef6\u540d &#061; \u8def\u5f84&#043;\u6587\u4ef6\u540d&#xff08;\u8fd9\u4e2a\u6587\u4ef6\u662f\u552f\u4e00\u7684&#xff0c;\u56e0\u4e3a\u8def\u5f84\u5929\u7136\u5177\u6709\u552f\u4e00\u6027&#xff0c;\u540c\u4e00\u8def\u5f84\u4e0b\u7684\u6587\u4ef6\u4e0d\u80fd\u540c\u540d&#xff01;&#xff01;&#xff01;&#xff09;<\/p>\n<p>\u95ee\u9898\u4e09&#xff1a;\u4e3a\u4ec0\u4e48\u8981\u7528\u4e00\u4e2a\u547d\u540d\u7ba1\u9053\u6587\u4ef6&#xff0c;\u800c\u4e0d\u662f\u4e00\u4e2a\u666e\u901a\u6587\u4ef6\u6765\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff1f;<\/p>\n<p>\u6211\u4eec\u4e0d\u60f3\u8ba9\u8be5\u6587\u4ef6\u5185\u7684\u5185\u5bb9\u5237\u65b0\u5230\u78c1\u76d8\u5185\u4fdd\u5b58&#xff0c;\u53ea\u9700\u8981\u4e00\u4e2a\u4e0d\u4f1a\u5c06\u5185\u5bb9\u5237\u65b0\u5230\u78c1\u76d8\u4e2d\u7684\u4e00\u4e2a\u5185\u5b58\u7ea7\u6587\u4ef6\u5c31\u884c&#xff01;&#xff01;&#xff01;&#xff08;p\u7ba1\u9053\u6587\u4ef6&#xff09;<\/p>\n<p>\u600e\u4e48\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u5462&#xff1f;<\/p>\n<p>\u5982\u56fe&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225035-683a363b80c6e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u94fe\u63a5\u5982\u4e0b&#xff1a; \u4f7f\u7528\u547d\u540d\u7ba1\u9053\u5b9e\u73b0\u4e24\u4e2a\u6beb\u4e0d\u76f8\u5e72\u7684\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/p>\n<h4>2. \u5171\u4eab\u5185\u5b58<\/h4>\n<p>System V IPC{ System V \u2014\u6d88\u606f\u961f\u5217 System V \u2014\u5171\u4eab\u5185\u5b58 System V \u2014\u4fe1\u53f7\u91cf } \u672c\u7ae0\u5c06\u56f4\u7ed5\u7740system V IPC\u4e2d\u7684\u5171\u4eab\u5185\u5b58\u6765\u8bb2\u8ff0<\/p>\n<h5>2.1 \u5171\u4eab\u5185\u5b58\u7684\u539f\u7406<\/h5>\n<p>\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u672c\u8d28&#xff1a;\u8ba9\u4e0d\u540c\u7684\u8fdb\u7a0b&#xff0c;\u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90&#xff01;&#xff01;&#xff01;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225035-683a363b9780e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u9996\u5148&#xff0c;\u6211\u4eec\u77e5\u9053&#xff0c;\u4ec0\u4e48\u662f\u5171\u4eab\u5185\u5b58&#xff0c;\u5171\u4eab\u5185\u5b58\u5c31\u662f\u4e00\u5757\u5728\u7269\u7406\u5185\u5b58\u4e0a\u7684\u7a7a\u95f4&#xff0c;\u53ea\u8981&#xff0c;\u6211\u4eec\u80fd\u591f\u8ba9\u4e24\u4e2a\u8fdb\u7a0b\u90fd\u80fd\u8bbf\u95ee\u5230\u8be5\u5171\u4eab\u5185\u5b58\u7684\u533a\u57df&#xff0c;\u5c31\u80fd\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff01;&#xff01;&#xff01;\u56e0\u4e3a\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u672c\u8d28\u5c31\u662f\u8ba9\u4e0d\u540c\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4efd\u8d44\u6e90&#xff0c;\u8fd9\u4e2a\u5171\u4eab\u5185\u5b58\u5c31\u662f\u8fd9\u6837\u4e00\u5757\u5171\u4eab\u8d44\u6e90&#xff01;&#xff01;&#xff01;<\/p>\n<p>\u6211\u4eec\u4e4b\u524d\u5b66\u8fc7\u7684\u52a8\u9759\u6001\u5e93\u4e2d&#xff0c;\u6211\u4eec\u52a0\u8f7d\u52a8\u6001\u5e93\u7684\u65b9\u5f0f\u662f\u5c06\u52a8\u6001\u5e93\u52a0\u8f7d\u5230\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u4e2d\u7684\u5171\u4eab\u533a\u4e2d&#xff01;&#xff01;&#xff01;\u8fd9\u6837\u5c31\u80fd\u8ba9\u591a\u4e2a\u8fdb\u7a0b\u8bbf\u95ee\u540c\u4e00\u4e2a\u52a8\u6001\u5e93\u4e86&#xff01;&#xff01;&#xff01;\u6240\u4ee5\u52a8\u6001\u5e93\u4e5f\u53eb\u505a\u5171\u4eab\u5e93&#xff0c;\u90a3\u4e48\u540c\u7406&#xff0c;\u5171\u4eab\u5185\u5b58\u65e2\u7136\u6709\u5171\u4eab\u4e24\u4e2a\u5b57&#xff0c;\u90a3\u4e48\u4ed6\u5e94\u8be5\u4e5f\u662f\u8fd9\u6837&#xff0c;\u6240\u4ee5&#xff0c;\u5728\u7269\u7406\u5185\u5b58\u4e0a\u7684\u5171\u4eab\u5185\u5b58\u533a\u57df\u901a\u8fc7\u8fdb\u7a0b\u7684\u9875\u8868\u6620\u5c04\u5230\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4\u7684\u5171\u4eab\u533a\u5185&#xff0c;\u7136\u540e\u5c06\u8be5\u6620\u5c04\u7684\u9996\u5730\u5740\u8fd4\u56de\u7ed9\u4e0a\u5c42&#xff0c;\u8ba9\u8fdb\u7a0b\u80fd\u591f\u8bbf\u95ee\u5230\u8be5\u5171\u4eab\u5185\u5b58&#xff01;&#xff01;&#xff01;<\/p>\n<p>\u6240\u4ee5&#xff0c;\u6211\u4eec\u8981\u901a\u8fc7\u5171\u4eab\u5185\u5b58\u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u603b\u5171\u6709\u4e24\u6b65&#xff1a; \u7b2c\u4e00\u6b65&#xff1a;\u7533\u8bf7\u5171\u4eab\u5185\u5b58 \u7b2c\u4e8c\u6b65&#xff1a;\u6302\u63a5\u8fdb\u7a0b\u7684\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4<\/p>\n<p>\u5982\u679c\u8981\u91ca\u653e\u5171\u4eab\u5185\u5b58&#xff1a;\u5c31\u5e94\u8be5\u5148\u53bb\u5173\u8054&#xff0c;\u518d\u91ca\u653e\u5171\u4eab\u5185\u5b58\u3002<\/p>\n<p>\u95ee\u9898\u4e00&#xff1a;\u4e0a\u9762\u7684\u64cd\u4f5c\u90fd\u662f\u8fdb\u7a0b\u76f4\u63a5\u505a\u7684\u5417&#xff1f;<\/p>\n<p>\u4e0d\u662f&#xff0c;\u662f\u76f4\u63a5\u7531\u64cd\u4f5c\u7cfb\u7edf\u6765\u505a\u7684&#xff01;&#xff01;&#xff01;&#xff08;\u9700\u6c42\u65b9-&gt;\u7cfb\u7edf\u8c03\u7528-&gt;\u6267\u884c\u65b9&#xff09;<\/p>\n<p>\u95ee\u9898\u4e8c&#xff1a;\u5982\u4f55\u7ba1\u7406\u597d\u8fd9\u4e48\u591a\u4e2a\u5171\u4eab\u5185\u5b58&#xff1f;<\/p>\n<p>\u5148\u63cf\u8ff0&#xff0c;\u5728\u7ec4\u7ec7&#xff01;&#xff01;&#xff01;\u901a\u8fc7\u5185\u6838\u7ed3\u6784\u4f53\u63cf\u8ff0\u5171\u4eab\u5185\u5b58<\/p>\n<h5>2.2 \u5171\u4eab\u5185\u5b58\u7684\u7cfb\u7edf\u63a5\u53e3\u4e0e\u63a5\u53e3\u7684\u8c03\u7528<\/h5>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225036-683a363c29998.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225036-683a363c3cd47.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u521b\u5efa\u7684\u5171\u4eab\u5185\u5b58\u7684\u5927\u5c0f&#xff08;\u95ee\u9898\u4e00&#xff09;&#xff0c;\u5355\u4f4d\u662f\u5b57\u8282\u3002<\/p>\n<p>\u7b2c\u4e09\u4e2a\u53c2\u6570&#xff0c;\u7c7b\u4f3c\u4e8e\u4e0eopen\u4e2d\u7684\u4f4d\u56fe\u53c2\u6570&#xff0c;\u8868\u793a&#xff0c;\u5982\u4f55\u521b\u5efa&#xff0c;\u5982\u4f55\u83b7\u53d6\u6982\u5ff5<\/p>\n<p>\u4f8b\u5b50&#xff1a;<\/p>\n<p>IPC_CREAT&#xff08;\u5355\u72ec\u4f7f\u7528&#xff09;&#xff1a;\u5982\u679c\u4f60\u7533\u8bf7\u7684\u5171\u4eab\u5185\u5b58\u4e0d\u5b58\u5728&#xff0c;\u5c31\u521b\u5efa&#xff0c;\u53cd\u4e4b&#xff0c;\u5219\u8c03\u7528\u5df2\u7ecf\u521b\u5efa \u597d\u7684\u5171\u4eab\u5185\u5b58&#xff0c;\u5e76\u8fd4\u56de\u3002<\/p>\n<p>IPC_CREAT | IPC_EXCL&#xff08;\u6df7\u8d77\u6765\u7528&#xff09;&#xff1a;\u5982\u679c\u4f60\u7533\u8bf7\u7684\u5171\u4eab\u5185\u5b58\u4e0d\u5b58\u5728&#xff0c;\u5c31\u521b\u5efa&#xff0c;\u5982\u679c\u5b58\u5728\u4e86\u5c31\u8fd4\u56de\u9519\u8bef&#xff01;&#xff01;&#xff01;\u786e\u4fdd&#xff0c;\u4e00\u4f46\u6211\u4eec\u6210\u529f\u7533\u8bf7\u4e86\u4e00\u4e2a\u5171\u4eab\u5185\u5b58&#xff0c;\u90a3\u4e48\u8fd9\u4e2a\u5171\u4eab\u5185\u5b58\u4e00\u5b9a\u662f\u65b0\u7684&#xff01;&#xff01;&#xff01;&#xff08;\u5176\u4e2dIPC_EXCL\u4e0d\u5355\u72ec\u4f7f\u7528&#xff0c;\u7528\u4e86\u4e5f\u6ca1\u7528\u3002&#xff09;<\/p>\n<p>\u8fd4\u56de\u503c\u662f\u4e00\u4e2a\u5171\u4eab\u5185\u5b58\u6807\u8bc6\u7b26&#xff08;\u8be5\u8fd4\u56de\u503c\u548c\u6587\u4ef6\u63cf\u8ff0\u7b26\u5e76\u4e0d\u80fd\u7c7b\u6bd4&#xff09;<\/p>\n<p>\u95ee\u9898\u4e00&#xff1a;\u6211\u662f\u5982\u4f55\u5224\u65ad\u7533\u8bf7\u7684\u5171\u4eab\u5185\u5b58\u771f\u7684\u5b58\u5728\u5462&#xff1f;\u600e\u4e48\u4fdd\u8bc1\u8ba9\u4e0d\u540c\u7684\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4e2a\u5171\u4eab\u5185\u5b58\u5462&#xff1f;<\/p>\n<p>\u8fd9\u5c31\u4e0d\u5f97\u4e0d\u8c08\u5230\u7b2c\u4e00\u4e2a\u53c2\u6570key\u4e86&#xff01;<\/p>\n<p>\u7b2c\u4e00\u4e2a\u53c2\u6570key&#xff1a;<\/p>\n<p>1. key\u662f\u4e00\u4e2a\u6570\u5b57&#xff0c;\u8fd9\u4e2a\u6570\u5b57\u662f\u51e0&#xff0c;\u4e0d\u91cd\u8981&#xff0c;\u5173\u952e\u5728\u4e8e\u5b83\u5fc5\u987b\u5728\u5185\u6838\u4e2d\u5177\u6709\u552f\u4e00\u6027&#xff0c;\u80fd\u591f\u8ba9\u4e0d\u540c\u7684\u8fdb\u7a0b\u8fdb\u884c\u552f\u4e00\u6027\u6807\u8bc6 2. \u7b2c\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u901a\u8fc7key\u521b\u5efa\u5171\u4eab\u5185\u5b58&#xff0c;\u7b2c\u4e8c\u4e2a\u4e4b\u540e\u7684\u8fdb\u7a0b&#xff0c;\u53ea\u8981\u62ff\u7740\u540c\u4e00\u4e2akey\u5c31\u53ef\u4ee5\u548c\u7b2c\u4e00\u4e2a\u8fdb\u7a0b\u770b\u5230\u540c\u4e00\u4e2a\u5171\u4eab\u5185\u5b58\u4e86&#xff01;&#xff01;&#xff01; 3. \u5bf9\u4e8e\u4e00\u4e2a\u5df2\u7ecf\u521b\u5efa\u597d\u7684\u5171\u4eab\u5185\u5b58&#xff0c;key\u5728\u54ea&#xff1f;key\u4e00\u5b9a\u5728\u5171\u4eab\u5185\u5b58\u7684\u63cf\u8ff0\u5bf9\u8c61\u4e2d 4. \u7b2c\u4e00\u6b21\u521b\u5efa\u7684\u65f6\u5019&#xff0c;\u5fc5\u987b\u6709\u4e00\u4e2akey&#xff0c;\u600e\u4e48\u6709\u7684&#xff1f; 5. key\u2014\u7c7b\u4f3c\u2014\u8def\u5f84\u2014\u548c\u8def\u5f84\u6709\u7c7b\u4f3c\u7684\u5171\u6027&#xff08;\u552f\u4e00\u6027&#xff01;&#xff01;&#xff01;&#xff09;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225036-683a363c4a605.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225036-683a363c5ad2e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u8fd9\u4e2a\u51fd\u6570\u662f\u4e00\u5957\u7b97\u6cd5&#xff0c;\u901a\u8fc7pathname\u548cproj_id\u8fdb\u884c\u4e86\u6570\u503c\u8ba1\u7b97&#xff0c;\u5f62\u6210\u4e00\u4e2a\u51b2\u7a81\u6982\u7387\u5f88\u5c0f\u7684key\u503c&#xff01;&#xff01;&#xff01;&#xff08;\u5176\u4e2dpathname\u548cproj_id\u7531\u7528\u6237\u81ea\u7531\u6307\u5b9a&#xff01;&#xff01;&#xff01;\u6709\u51b2\u7a81\u7684\u53ef\u80fd\u6027&#xff0c;\u4e00\u4f46\u51b2\u7a81&#xff0c;\u5c31\u8981\u91cd\u65b0\u6539\u53d8\u53c2\u6570&#xff0c;\u5f62\u6210\u4e00\u4e2a\u65b0\u7684key\u3002&#xff09;<\/p>\n<p>\u8fd9\u4e2akey\u503c\u662f\u7531\u7528\u6237\u6765\u7ea6\u5b9a\u7684&#xff0c;\u53ea\u6709\u5148\u751f\u6210\u4e00\u4e2akey&#xff0c;\u624d\u80fd\u53bb\u7533\u8bf7\u4e00\u4e2a\u4e0e\u8be5key\u503c\u76f8\u5bf9\u4e8e\u7684\u5171\u4eab\u5185\u5b58&#xff0c;\u8fd9\u4e2akey\u503c\u53ea\u80fd\u7531\u7528\u6237\u6765\u7533\u8bf7&#xff0c;\u53ea\u6709\u7528\u6237\u624d\u77e5\u9053&#xff0c;\u8c01\u548c\u8c01\u901a\u8fc7\u8fd9\u4e2akey\u503c\u901a\u4fe1&#xff01;&#xff01;&#xff01;\u6240\u4ee5key\u503c\u4e0d\u80fd\u7531\u64cd\u4f5c\u7cfb\u7edf\u6765\u751f\u6210&#xff01;&#xff01;&#xff01;\u56e0\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u6839\u672c\u4e0d\u77e5\u9053&#xff0c;\u54ea\u4e2a\u8fdb\u7a0b\u8981\u548c\u54ea\u4e2a\u8fdb\u7a0b\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p>\u67e5\u770b\u5171\u4eab\u5185\u5b58&#xff1a;<\/p>\n<p>ipcs -m<\/p>\n<p>\u5220\u9664\u5171\u4eab\u5185\u5b58&#xff1a;<\/p>\n<p>ipcrm -m shmid\u7684\u503c<\/p>\n<p>\u67e5\u770b\u5171\u4eab\u5185\u5b58\u7684\u5c5e\u6027&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225036-683a363c68c2e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>1.key&#xff1a;\u521b\u5efa\u5171\u4eab\u5185\u5b58\u65f6\u4f20\u5165\u7684key\u503c 2.shmid&#xff1a;\u8be5\u5171\u4eab\u5185\u5b58\u7684\u552f\u4e00\u7f16\u53f7&#xff0c;\u7528\u6765\u627e\u5230\u8be5\u5171\u4eab\u5185\u5b58\u7684&#xff0c;\u4f46\u53c8\u4e0d\u540c\u4e8e\u6587\u4ef6\u63cf\u8ff0\u7b26 3.owner&#xff1a;\u54ea\u4e2a\u7528\u6237\u521b\u5efa\u7684\u8fd9\u5757\u5171\u4eab\u5185\u5b58 4.bytes&#xff1a;\u8be5\u5171\u4eab\u5185\u5b58\u7684\u5927\u5c0f 5.perms&#xff1a;\u6743\u9650 6.nattch&#xff1a;\u4ee3\u8868\u8be5\u5171\u4eab\u5185\u5b58\u6709\u51e0\u4e2a\u8fdb\u7a0b\u5173\u8054<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff1a;\u5171\u4eab\u5185\u5b58\u7684\u5927\u5c0f\u4e00\u822c\u5efa\u8bae\u662f4096\u7684\u6574\u6570\u500d&#xff0c;\u5982\u679c\u4f60\u8981\u7533\u8bf74097\u5b57\u8282&#xff0c;\u5b9e\u9645\u4e0a&#xff0c;\u64cd\u4f5c\u7cfb\u7edf\u7ed9\u4f60\u7684\u662f4096 * 2\u5b57\u8282\u7684\u5927\u5c0f\u3002\u4f46\u4f60\u81ea\u5df1\u53ea\u80fd\u75284097\u5b57\u8282&#xff0c;\u591a\u51fa\u6765\u7684\u4e0d\u80fd\u8bbf\u95ee&#xff0c;\u8d8a\u754c\u5c31\u4f1a\u62a5\u9519&#xff0c;\u6240\u4ee5\u5efa\u8bae\u7533\u8bf74096\u5b57\u8282\u7684\u6574\u6570\u500d\u3002\u4e14\u5171\u4eab\u5185\u5b58\u7684\u751f\u547d\u5468\u671f\u662f\u968f\u5185\u6838\u7684&#xff01;&#xff01;&#xff01;\u7528\u6237\u4e0d\u4e3b\u52a8\u5173\u95ed&#xff0c;\u5171\u4eab\u5185\u5b58\u4f1a\u4e00\u76f4\u5b58\u5728&#xff0c;\u9664\u975e\u5185\u6838\u91cd\u542f\u6216\u8005\u7528\u6237\u4e3b\u52a8\u5173\u95ed<\/p>\n<p>key vs shmid&#xff08;shmget&#xff08;&#xff09;\u51fd\u6570\u7684\u8fd4\u56de\u503c&#xff09;<\/p>\n<p>&#061;&#061;key &#xff1a;&#061;&#061;\u64cd\u4f5c\u7cfb\u7edf\u5185\u6807\u5b9a\u7684\u552f\u4e00\u6027 &#061;&#061;shmid &#xff1a;&#061;&#061;\u53ea\u5728\u4f60\u7684\u8fdb\u7a0b\u5185&#xff0c;\u7528\u6765\u8868\u793a\u8d44\u6e90\u7684\u552f\u4e00\u6027<\/p>\n<h5>2.3 \u5171\u4eab\u5185\u5b58\u7684\u6302\u63a5<\/h5>\n<p>\u95ee\u9898\u4e00&#xff1a;\u4ee5\u4e0a\u53ea\u662f\u521b\u5efa\u5171\u4eab\u5185\u5b58&#xff0c;\u6211\u4eec\u8be5\u5982\u4f55\u6302\u63a5\u5171\u4eab\u5185\u5b58\u5462&#xff1f;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225036-683a363c7aed9.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>1.shmid&#xff1a;\u8981\u6302\u63a5\u7684\u5171\u4eab\u5185\u5b58\u7684\u7f16\u53f7 2.shaddr&#xff1a;\u8981\u6302\u63a5\u7684\u5171\u4eab\u5185\u5b58\u7684\u54ea\u4e00\u5757\u5730\u5740&#xff0c;\u4e00\u822c\u4f20nullptr&#xff0c;\u8ba9\u7cfb\u7edf\u81ea\u5df1\u51b3\u5b9a 3.shmflg&#xff1a;\u6743\u9650 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src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225036-683a363ca109d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u8be5\u51fd\u6570\u80fd\u901a\u8fc7shmid_ds\u6765\u4fee\u6539\u5171\u4eab\u5185\u5b58\u7684\u5c5e\u6027&#xff0c;\u5176\u4e2dshmid_ds\u5c31\u662f\u7c7b\u4f3c\u4e8e\u7ba1\u7406\u5171\u4eab\u5185\u5b58\u7684\u6570\u636e\u7ed3\u6784\u3002&#xff08;\u662f\u5185\u6838\u7ba1\u7406\u5171\u4eab\u5185\u5b58\u7684\u6570\u636e\u7ed3\u6784\u7684\u5b50\u96c6&#xff09;\u5176\u4e2dcmd\u5c31\u662f\u4ee3\u8868\u6211\u4eec\u8981\u505a\u51fa\u4ec0\u4e48\u6837\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u5171\u4eab\u5185\u5b58\u7684\u7ba1\u7406\u7ed3\u6784\u4f53&#xff1a; <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250530225036-683a363cb30b4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>2.4 \u5171\u4eab\u5185\u5b58\u7684\u7279\u6027<\/h5>\n<p>a. 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\u5171\u4eab\u5185\u5b58\u5185\u90e8\u7684\u6570\u636e&#xff0c;\u7531\u7528\u6237\u81ea\u5df1\u7ef4\u62a4&#xff01;<\/p>\n<p>\u603b\u7ed3&#xff1a;<\/p>\n<p>\u800c\u672c\u7ae0\u5728\u4e0a\u4e00\u7ae0\u7684\u57fa\u7840\u4e0a&#xff0c;\u5f15\u51fa\u4e86\u547d\u540d\u7ba1\u9053\u7684\u6982\u5ff5&#xff0c;\u6211\u4eec\u77e5\u9053\u4e86\u547d\u540d\u7ba1\u9053\u662f\u4ec0\u4e48&#xff0c;\u53c8\u662f\u600e\u4e48\u4f7f\u7528\u7684&#xff0c;\u5176\u6b21\u672c\u7ae0\u8fd8\u4ece\u5171\u4eab\u5185\u5b58\u7684\u89d2\u5ea6\u6765\u8bb2\u8ff0\u8fdb\u7a0b\u95f4\u901a\u4fe1&#xff0c;\u6211\u4eec\u77e5\u9053\u4e86\u4ec0\u4e48\u662f\u5171\u4eab\u5185\u5b58&#xff0c;\u5171\u4eab\u5185\u5b58\u7684\u539f\u7406&#xff0c;\u5171\u4eab\u7684\u7cfb\u7edf\u8c03\u7528\u63a5\u53e3&#xff0c;\u600e\u4e48\u8bbf\u95ee\u548c\u4f7f\u7528\u5171\u4eab\u5185\u5b58&#xff01;&#xff01;&#xff01;\u4ee5\u53ca\u5171\u4eab\u5185\u5b58\u7684\u7279\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.8k\u6b21\uff0c\u70b9\u8d5e68\u6b21\uff0c\u6536\u85cf55\u6b21\u3002\u7c7b\u4f3c\u4e8e\u4e0eopen\u4e2d\u7684\u4f4d\u56fe\u53c2\u6570\uff0c\u8868\u793a\uff0c\u5982\u4f55\u521b\u5efa\uff0c\u5982\u4f55\u83b7\u53d6\u6982\u5ff5\u3002\u662f\u4e00\u4e2a\u5171\u4eab\u5185\u5b58\u6807\u8bc6\u7b26\uff08\u8be5\u8fd4\u56de\u503c\u548c\u6587\u4ef6\u63cf\u8ff0\u7b26\u5e76\u4e0d\u80fd\u7c7b\u6bd4\uff09\u662f\u521b\u5efa\u7684\u5171\u4eab\u5185\u5b58\u7684\u5927\u5c0f\uff08\u95ee\u9898\u4e00\uff09\uff0c\u5355\u4f4d\u662f\u5b57\u8282\u3002<\/p>\n","protected":false},"author":2,"featured_media":41122,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43],"topic":[],"class_list":["post-41136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-43"],"yoast_head":"<!-- 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