{"id":61828,"date":"2026-01-18T18:44:00","date_gmt":"2026-01-18T10:44:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/61828.html"},"modified":"2026-01-18T18:44:00","modified_gmt":"2026-01-18T10:44:00","slug":"linux-%e7%ba%bf%e7%a8%8b_%e5%ba%95%e5%b1%82%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/61828.html","title":{"rendered":"Linux---\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406"},"content":{"rendered":"<p>Linux \u4e0b\u7684\u7ebf\u7a0b\u5e95\u5c42\u539f\u7406\u662f\u4e00\u4e2a\u975e\u5e38\u7ecf\u5178\u4e14\u7531\u4e8e\u5386\u53f2\u539f\u56e0\u7565\u663e\u72ec\u7279\u7684\u9886\u57df\u3002\u8981\u7406\u89e3\u5b83&#xff0c;\u6211\u4eec\u4e0d\u80fd\u4ec5\u4ec5\u505c\u7559\u5728\u00a0pthread_create\u00a0\u7684 API \u5c42\u9762&#xff0c;\u800c\u5fc5\u987b\u6df1\u5165\u5230\u5185\u6838&#xff08;Kernel&#xff09;\u7684\u6570\u636e\u7ed3\u6784\u3001\u7cfb\u7edf\u8c03\u7528\u4ee5\u53ca\u5185\u5b58\u7ba1\u7406\u673a\u5236\u4e2d\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5173\u4e8e Linux \u7ebf\u7a0b\u5e95\u5c42\u539f\u7406\u7684\u8be6\u7ec6\u8bb2\u89e3&#xff0c;\u5206\u4e3a\u51e0\u4e2a\u6838\u5fc3\u5c42\u9762&#xff1a;<\/p>\n<li>\n<p>Linux \u53ea\u6709 LWP&#xff1a;\u7ebf\u7a0b\u672c\u8d28\u662f\u5171\u4eab\u4e86\u5185\u5b58\u7a7a\u95f4\u7684\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>clone()\u00a0\u662f\u57fa\u77f3&#xff1a;\u901a\u8fc7\u00a0CLONE_VM\u00a0\u7b49\u6807\u5fd7\u5b9e\u73b0\u8d44\u6e90\u5171\u4eab\u3002<\/p>\n<\/li>\n<li>\n<p>1:1 \u6a21\u578b&#xff1a;NPTL \u5e93\u5c06\u7528\u6237\u7ebf\u7a0b\u6620\u5c04\u4e3a\u5185\u6838 LWP\u3002<\/p>\n<\/li>\n<li>\n<p>Futex&#xff1a;\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u6df7\u5408\u6001\u540c\u6b65\u9501\u3002<\/p>\n<\/li>\n<li>\n<p>\u6808\u662f\u79c1\u6709\u7684&#xff0c;\u5806\u662f\u5171\u4eab\u7684\u3002<\/p>\n<\/li>\n<hr \/>\n<h2>\u4e00\u3001 \u6838\u5fc3\u6982\u5ff5&#xff1a;Linux \u4e2d\u6ca1\u6709\u771f\u6b63\u7684\u201c\u7ebf\u7a0b\u201d<\/h2>\n<p>\u8fd9\u662f\u7406\u89e3 Linux \u7ebf\u7a0b\u6700\u5173\u952e\u7684\u4e00\u70b9\u3002<\/p>\n<p>\u5728 Windows \u6216 Solaris \u7b49\u64cd\u4f5c\u7cfb\u7edf\u4e2d&#xff0c;\u8fdb\u7a0b&#xff08;Process&#xff09;\u548c\u7ebf\u7a0b&#xff08;Thread&#xff09;\u662f\u5185\u6838\u4e2d\u4e24\u79cd\u622a\u7136\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\u3002\u8fdb\u7a0b\u662f\u8d44\u6e90\u5bb9\u5668&#xff0c;\u7ebf\u7a0b\u662f\u6267\u884c\u5355\u5143\u3002<\/p>\n<p>\u4f46\u5728 Linux \u5185\u6838\u770b\u6765&#xff0c;\u7ebf\u7a0b\u548c\u8fdb\u7a0b\u6ca1\u6709\u672c\u8d28\u533a\u522b\u3002\u00a0\u5b83\u4eec\u90fd\u88ab\u89c6\u4e3a\u6267\u884c\u5b9e\u4f53&#xff08;Execution Entity&#xff09;&#xff0c;\u5728\u5185\u6838\u4e2d\u90fd\u7528\u540c\u4e00\u4e2a\u6570\u636e\u7ed3\u6784\u00a0task_struct\u00a0\u6765\u8868\u793a\u3002<\/p>\n<ul>\n<li>\n<p>\u8fdb\u7a0b&#xff08;Process&#xff09;&#xff1a;\u00a0\u72ec\u5360\u865a\u62df\u5185\u5b58\u7a7a\u95f4\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7684\u00a0task_struct\u3002<\/p>\n<\/li>\n<li>\n<p>\u7ebf\u7a0b&#xff08;Thread&#xff09;&#xff1a;\u00a0\u4e0e\u5176\u4ed6\u00a0task_struct\u00a0\u5171\u4eab\u865a\u62df\u5185\u5b58\u7a7a\u95f4\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7684\u00a0task_struct\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u56e0\u6b64&#xff0c;Linux \u4e2d\u7684\u7ebf\u7a0b\u901a\u5e38\u88ab\u79f0\u4e3a\u00a0\u8f7b\u91cf\u7ea7\u8fdb\u7a0b&#xff08;LWP, Light Weight Process&#xff09;\u3002<\/p>\n<ul>\n<li>\u7528\u6237\u6001&#xff1a;\u4f60\u8c03\u7528 pthread \u5e93\u521b\u5efa\u7684\u7ebf\u7a0b&#xff08;pthread_t&#xff09;\u662f\u300c\u7528\u6237\u6001\u7ebf\u7a0b\u300d&#xff1b;<\/li>\n<li>\u5185\u6838\u6001&#xff1a;\u6bcf\u4e2a\u7528\u6237\u6001\u7ebf\u7a0b\u5bf9\u5e94\u4e00\u4e2a\u5185\u6838\u6001\u7684 LWP&#xff08;\u8f7b\u91cf\u7ea7\u8fdb\u7a0b&#xff09;&#xff0c;\u5185\u6838\u8c03\u5ea6\u7684\u6700\u5c0f\u5355\u4f4d\u662fLWP&#xff08;\u800c\u975e\u8fdb\u7a0b&#xff09;&#xff1b;<\/li>\n<\/ul>\n<table>\n<tr>\u7ef4\u5ea6\u666e\u901a\u8fdb\u7a0b&#xff08;fork \u521b\u5efa&#xff09;\u7ebf\u7a0b&#xff08;pthread_create \u521b\u5efa&#xff09;<\/tr>\n<tr>\n<td>\u5185\u6838\u63cf\u8ff0\u7b26<\/td>\n<td>\u72ec\u7acb\u7684task_struct<\/td>\n<td>\u72ec\u7acb\u7684task_struct<\/td>\n<\/tr>\n<tr>\n<td>\u5730\u5740\u7a7a\u95f4&#xff08;mm_struct&#xff09;<\/td>\n<td>\u72ec\u7acb&#xff08;\u590d\u5236\u7236\u8fdb\u7a0b\u5730\u5740\u7a7a\u95f4&#xff09;<\/td>\n<td>\u5171\u4eab&#xff08;\u4e0e\u7ebf\u7a0b\u7ec4\u5176\u4ed6\u6210\u5458\u5171\u7528\u540c\u4e00\u4e2a&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868<\/td>\n<td>\u72ec\u7acb&#xff08;\u590d\u5236\u7236\u8fdb\u7a0b&#xff09;<\/td>\n<td>\u5171\u4eab<\/td>\n<\/tr>\n<tr>\n<td>\u4fe1\u53f7\u5904\u7406&#xff08;signal&#xff09;<\/td>\n<td>\u72ec\u7acb<\/td>\n<td>\u5171\u4eab<\/td>\n<\/tr>\n<tr>\n<td>\u7528\u6237 \/ \u7ec4 ID&#xff08;uid\/gid&#xff09;<\/td>\n<td>\u72ec\u7acb<\/td>\n<td>\u5171\u4eab<\/td>\n<\/tr>\n<tr>\n<td>\u6808\u7a7a\u95f4<\/td>\n<td>\u72ec\u7acb&#xff08;\u79c1\u6709\u6808&#xff09;<\/td>\n<td>\u72ec\u7acb&#xff08;\u6bcf\u4e2a\u7ebf\u7a0b\u6709\u79c1\u6709\u6808&#xff0c;\u9ed8\u8ba4 8MB&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5bc4\u5b58\u5668 \/ \u7a0b\u5e8f\u8ba1\u6570\u5668<\/td>\n<td>\u72ec\u7acb<\/td>\n<td>\u72ec\u7acb&#xff08;\u8c03\u5ea6\u65f6\u4fdd\u5b58 \/ \u6062\u590d&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>PID&#xff08;\u5185\u6838\u6001&#xff09;<\/td>\n<td>\u552f\u4e00&#xff08;tgid&#061;pid&#xff0c;\u7ebf\u7a0b\u7ec4 ID &#061; \u81ea\u8eab PID&#xff09;<\/td>\n<td>\u7ebf\u7a0b\u7ec4 ID&#xff08;tgid&#xff09;&#061; \u4e3b\u7ebf\u7a0b PID&#xff0c;\u81ea\u8eab PID&#061;LWP&#xff08;ps -Lf \u770b\u5230\u7684 LWP&#xff09;<\/td>\n<\/tr>\n<\/table>\n<hr \/>\n<h2>\u4e8c\u3001 \u5185\u6838\u6570\u636e\u7ed3\u6784\u4e0e\u6807\u8bc6<\/h2>\n<h3>1.\u00a0task_struct<\/h3>\n<p>\u8fd9\u662f Linux \u5185\u6838\u4e2d\u6700\u91cd\u8981\u7684\u7ed3\u6784\u4f53&#xff08;PCB &#8211; Process Control Block&#xff09;\u3002\u65e0\u8bba\u4f60\u542f\u52a8\u7684\u662f\u4e00\u4e2a\u8fdb\u7a0b\u8fd8\u662f\u4e00\u4e2a\u7ebf\u7a0b&#xff0c;\u5185\u6838\u90fd\u4f1a\u5206\u914d\u4e00\u4e2a\u00a0task_struct\u3002<\/p>\n<h3>2. PID \u4e0e TGID&#xff08;\u6781\u5176\u91cd\u8981\u7684\u533a\u5206&#xff09;<\/h3>\n<p>\u5728\u7528\u6237\u7a7a\u95f4&#xff08;User Space&#xff09;\u548c\u5185\u6838\u7a7a\u95f4&#xff08;Kernel Space&#xff09;&#xff0c;\u5bf9\u201cID\u201d\u7684\u5b9a\u4e49\u662f\u4e0d\u540c\u7684&#xff0c;\u8fd9\u5e38\u8ba9\u4eba\u56f0\u60d1\u3002<\/p>\n<p>\u5185\u6838\u89c6\u89d2&#xff1a;<\/p>\n<ul>\n<li>\n<p>PID (Process ID):\u00a0\u6bcf\u4e2a\u00a0task_struct\u00a0\u90fd\u6709\u552f\u4e00\u7684 PID\u3002\u5982\u679c\u662f\u591a\u7ebf\u7a0b\u7a0b\u5e8f&#xff0c;\u6bcf\u4e2a\u7ebf\u7a0b\u5728\u5185\u6838\u91cc\u7684 PID \u90fd\u662f\u4e0d\u4e00\u6837\u7684\u3002&#xff08;\u5bf9\u5e94ps -Lf\u7684LWP\u5b57\u6bb5&#xff09;<\/p>\n<\/li>\n<li>\n<p>TGID (Thread Group ID):\u00a0\u8fd9\u662f\u7ebf\u7a0b\u7ec4 ID\u3002(\u5bf9\u5e94ps -Lf\u7684PID\u5b57\u6bb5)<br \/>\n\u4e3b\u7ebf\u7a0b&#xff08;\u8fdb\u7a0b&#xff09;&#xff1a;tgid &#061; pid&#xff08;\u81ea\u8eab PID \u5c31\u662f\u7ebf\u7a0b\u7ec4 ID&#xff09;&#xff1b;<br \/>\n\u5b50\u7ebf\u7a0b&#xff1a;tgid &#061; \u4e3b\u7ebf\u7a0bpid&#xff08;\u6240\u6709\u7ebf\u7a0b\u540c\u5c5e\u4e00\u4e2a\u7ebf\u7a0b\u7ec4&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u7528\u6237\u89c6\u89d2&#xff08;POSIX \u6807\u51c6&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u7528\u6237\u8c03\u7528\u00a0getpid()\u00a0\u65f6&#xff0c;\u671f\u671b\u770b\u5230\u6240\u6709\u7ebf\u7a0b\u8fd4\u56de\u540c\u4e00\u4e2a ID\u3002<\/p>\n<\/li>\n<li>\n<p>\u56e0\u6b64&#xff0c;Linux \u7684\u00a0getpid()\u00a0\u7cfb\u7edf\u8c03\u7528\u8fd4\u56de\u7684\u662f\u5f53\u524d\u00a0task_struct\u00a0\u7684\u00a0TGID&#xff0c;\u800c\u4e0d\u662f\u5185\u6838\u91cc\u7684 PID\u3002<\/p>\n<\/li>\n<li>\n<p>\u7528\u6237\u770b\u5230\u7684\u201c\u7ebf\u7a0b ID\u201d&#xff08;\u901a\u8fc7\u00a0pthread_self()\u00a0\u83b7\u5f97&#xff09;\u5176\u5b9e\u662f\u7ebf\u7a0b\u5e93&#xff08;NPTL&#xff09;\u5728\u7528\u6237\u6001\u7ef4\u62a4\u7684\u4e00\u4e2a\u5185\u5b58\u5730\u5740&#xff0c;\u800c\u975e\u5185\u6838 ID\u3002<\/p>\n<\/li>\n<\/ul>\n<p>UID        PID  PPID   LWP  C NLWP STIME TTY      STAT   TIME CMD<br \/>\nroot      1234  1100  1234  0    3 10:00 pts\/0    Sl     0:05 .\/my_app<br \/>\nroot      1234  1100  1235  2    3 10:01 pts\/0    Sl     0:12 .\/my_app<br \/>\nroot      1234  1100  1236  1    3 10:01 pts\/0    Sl     0:08 .\/my_app<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"184\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118104358-696cb96e57814.jpg\" width=\"364\" \/><\/p>\n<hr \/>\n<h2>\u4e09\u3001 \u7ebf\u7a0b\u7684\u521b\u5efa&#xff1a;clone()\u00a0\u7cfb\u7edf\u8c03\u7528<\/h2>\n<p>\u5728 Linux \u4e2d&#xff0c;\u521b\u5efa\u8fdb\u7a0b\u901a\u5e38\u7528\u00a0fork()&#xff0c;\u800c\u5e95\u5c42\u5b9e\u73b0\u7ebf\u7a0b&#xff08;\u5305\u62ec\u00a0fork\u00a0\u81ea\u8eab&#xff09;\u6700\u7ec8\u90fd\u6307\u5411\u4e86\u00a0clone()\u00a0\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n<p>clone()\u00a0\u7684\u795e\u5947\u4e4b\u5904\u5728\u4e8e\u5b83\u53ef\u4ee5\u7cbe\u7ec6\u63a7\u5236\u7236\u5b50\u6267\u884c\u5b9e\u4f53\u4e4b\u95f4\u5171\u4eab\u54ea\u4e9b\u8d44\u6e90\u3002<\/p>\n<p>\u51fd\u6570\u539f\u578b\u5927\u81f4\u5982\u4e0b&#xff1a;<\/p>\n<p>int clone(int (*fn)(void *), void *stack, int flags, void *arg, &#8230;);<\/p>\n<h5>\u5173\u952e\u7684\u00a0flags\u00a0\u53c2\u6570:<\/h5>\n<p>\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u6807\u5fd7\u4f4d&#xff0c;\u51b3\u5b9a\u4e86\u521b\u5efa\u51fa\u6765\u7684\u662f\u201c\u8fdb\u7a0b\u201d\u8fd8\u662f\u201c\u7ebf\u7a0b\u201d&#xff1a;<\/p>\n<p>\u521b\u5efa\u8fdb\u7a0b (fork\u00a0\u7684\u884c\u4e3a):<\/p>\n<li>\n<p>flags\u00a0\u57fa\u672c\u4e3a\u7a7a&#xff08;\u6216\u5305\u542b\u00a0SIGCHLD&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b50\u8fdb\u7a0b\u4f1a\u590d\u5236\u7236\u8fdb\u7a0b\u7684\u9875\u8868&#xff08;Copy-on-Write&#xff09;\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868\u7b49\u3002\u8d44\u6e90\u662f\u9694\u79bb\u7684\u3002<\/p>\n<\/li>\n<p>\u521b\u5efa\u7ebf\u7a0b (pthread_create\u00a0\u7684\u884c\u4e3a):<\/p>\n<p>flags\u00a0\u4f1a\u5305\u542b\u4ee5\u4e0b\u5173\u952e\u4f4d&#xff1a;<\/p>\n<li>\n<p>CLONE_THREAD: \u5c06\u5b50\u8fdb\u7a0b\u653e\u5165\u7236\u8fdb\u7a0b\u7684\u7ebf\u7a0b\u7ec4\u4e2d&#xff08;\u8bbe\u7f6e TGID&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>CLONE_SIGHAND:\u00a0\u5171\u4eab\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>CLONE_FS:\u00a0\u5171\u4eab\u6587\u4ef6\u7cfb\u7edf\u4fe1\u606f&#xff08;\u6839\u76ee\u5f55\u3001\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>CLONE_FILES:\u00a0\u5171\u4eab\u6587\u4ef6\u63cf\u8ff0\u7b26\u8868&#xff08;\u6253\u5f00\u7684\u6587\u4ef6&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>CLONE_VM:\u00a0\u5171\u4eab\u865a\u62df\u5185\u5b58\u7a7a\u95f4&#xff08;\u5806\u3001\u4ee3\u7801\u6bb5\u3001\u5168\u5c40\u53d8\u91cf&#xff09;\u3002\u8fd9\u662f\u7ebf\u7a0b\u901a\u4fe1\u5feb\u7684\u57fa\u7840\u3002<\/p>\n<\/li>\n<p>\u603b\u7ed3&#xff1a;\u00a0Linux \u7ebf\u7a0b\u672c\u8d28\u4e0a\u5c31\u662f\u901a\u8fc7\u00a0clone()\u00a0\u7cfb\u7edf\u8c03\u7528&#xff0c;\u5e26\u4e0a\u00a0CLONE_VM\u00a0\u7b49\u6807\u5fd7\u521b\u5efa\u51fa\u6765\u7684\u3001\u4e0e\u7236\u8fdb\u7a0b\u5171\u4eab\u5730\u5740\u7a7a\u95f4\u7684\u201c\u8fdb\u7a0b\u201d\u3002<\/p>\n<hr \/>\n<h2>\u56db\u3001 \u7ebf\u7a0b\u5e93&#xff1a;NPTL (Native POSIX Thread Library)<\/h2>\n<p>\u5185\u6838\u63d0\u4f9b\u4e86\u57fa\u7840\u7684\u00a0clone\u00a0\u673a\u5236&#xff0c;\u4f46\u79bb\u597d\u7528\u7684 POSIX \u7ebf\u7a0b\u6807\u51c6&#xff08;pthread&#xff09;\u8fd8\u6709\u8ddd\u79bb\u3002\u8fd9\u5c31\u662f glibc \u4e2d\u00a0NPTL\u00a0\u7684\u5de5\u4f5c\u3002<\/p>\n<h5>1. 1:1 \u7ebf\u7a0b\u6a21\u578b<\/h5>\n<p>Linux \u76ee\u524d\u4f7f\u7528\u7684\u662f\u00a01:1 \u6a21\u578b\u3002<\/p>\n<ul>\n<li>\n<p>\u542b\u4e49&#xff1a;\u00a0\u7528\u6237\u7a7a\u95f4\u7684\u6bcf\u4e00\u4e2a\u7ebf\u7a0b&#xff08;pthread&#xff09;&#xff0c;\u90fd\u4e25\u683c\u5bf9\u5e94\u5185\u6838\u7a7a\u95f4\u7684\u4e00\u4e2a LWP&#xff08;task_struct&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f18\u70b9&#xff1a;\u00a0\u80fd\u591f\u771f\u6b63\u5229\u7528\u591a\u6838 CPU&#xff08;\u5185\u6838\u53ef\u4ee5\u628a\u4e0d\u540c\u7684 LWP-\u8f7b\u91cf\u7ea7\u8fdb\u7a0b\u00a0\u8c03\u5ea6\u5230\u4e0d\u540c\u7684 CPU \u6838\u4e0a\u5e76\u884c\u6267\u884c&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f3a\u70b9&#xff1a;\u00a0\u7ebf\u7a0b\u521b\u5efa\u548c\u4e0a\u4e0b\u6587\u5207\u6362&#xff08;Context Switch&#xff09;\u8fd8\u662f\u6709\u5185\u6838\u5f00\u9500\u7684&#xff08;\u867d\u7136\u6bd4\u7eaf\u8fdb\u7a0b\u5207\u6362\u5c0f\u5f97\u591a&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5bf9\u6bd4\u5176\u4ed6\u6a21\u578b&#xff1a;<\/p>\n<ul>\n<li>N:1 \u6a21\u578b&#xff08;\u7528\u6237\u6001\u7ebf\u7a0b\u6620\u5c04\u5230 1 \u4e2a\u5185\u6838 LWP&#xff09;&#xff1a;\u5185\u6838\u65e0\u611f\u77e5&#xff0c;\u65e0\u6cd5\u5229\u7528\u591a\u6838&#xff1b;<\/li>\n<li>M:N \u6a21\u578b&#xff08;M \u4e2a\u7528\u6237\u7ebf\u7a0b\u6620\u5c04\u5230 N \u4e2a\u5185\u6838 LWP&#xff09;&#xff1a;\u590d\u6742\u4e14 Linux \u672a\u91c7\u7528&#xff1b;<\/li>\n<li>1:1 \u6a21\u578b&#xff1a;\u4f18\u70b9\u662f\u80fd\u5145\u5206\u5229\u7528\u591a\u6838&#xff0c;\u7f3a\u70b9\u662f\u7ebf\u7a0b\u521b\u5efa \/ \u5207\u6362\u6709\u5185\u6838\u5f00\u9500&#xff08;pthread \u5e93\u5df2\u505a\u4f18\u5316&#xff09;\u3002<\/li>\n<\/ul>\n<h5>2. NPTL \u7684\u804c\u8d23<\/h5>\n<p>\u5f53\u4f60\u8c03\u7528\u00a0pthread_create\u00a0\u65f6&#xff0c;NPTL \u505a\u4e86\u5f88\u591a\u5e55\u540e\u5de5\u4f5c&#xff1a;<\/p>\n<li>\n<p>\u5206\u914d\u6808&#xff1a;\u00a0\u7ebf\u7a0b\u7684\u6808\u662f\u79c1\u6709\u7684\u3002\u4e3b\u7ebf\u7a0b\u7684\u6808\u5728\u4f20\u7edf\u7684\u6808\u533a&#xff0c;\u800c\u5176\u4ed6\u7ebf\u7a0b\u7684\u6808\u901a\u5e38\u662f\u5728\u00a0mmap \u533a\u57df&#xff08;\u5806\u533a\u9644\u8fd1&#xff09;\u00a0\u5206\u914d\u51fa\u6765\u7684\u56fa\u5b9a\u5927\u5c0f\u5185\u5b58\u3002<\/p>\n<\/li>\n<li>\n<p>**\u8c03\u7528\u00a0clone&#xff1a;**\u4ee5\u6b64\u6808\u4e3a\u53c2\u6570\u8c03\u7528\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n<\/li>\n<li>\n<p>\u7ba1\u7406\u5143\u6570\u636e&#xff1a;\u00a0\u5728\u7528\u6237\u6001\u7ef4\u62a4\u4e00\u4e2a\u00a0pthread\u00a0\u7ed3\u6784\u4f53&#xff0c;\u7528\u4e8e\u5b58\u653e\u7ebf\u7a0b ID\u3001\u6808\u5730\u5740\u3001\u9000\u51fa\u72b6\u6001\u7b49\u3002<\/p>\n<\/li>\n<hr \/>\n<h2>\u4e94\u3001 \u5185\u5b58\u5e03\u5c40&#xff1a;\u5171\u4eab\u4e0e\u79c1\u6709<\/h2>\n<p>\u7406\u89e3\u7ebf\u7a0b\u5b89\u5168&#xff0c;\u5fc5\u987b\u7406\u89e3\u5185\u5b58\u5e03\u5c40\u3002<\/p>\n<h5>1. \u5171\u4eab\u8d44\u6e90&#xff08;\u6240\u6709\u7ebf\u7a0b\u90fd\u80fd\u770b\u3001\u80fd\u6539&#xff09;<\/h5>\n<p>\u7531\u4e8e\u00a0CLONE_VM&#xff0c;\u6574\u4e2a\u8fdb\u7a0b\u7684\u865a\u62df\u5730\u5740\u7a7a\u95f4\u662f\u5171\u4eab\u7684&#xff1a;<\/p>\n<ul>\n<li>\n<p>.text (\u4ee3\u7801\u6bb5):\u00a0\u6240\u6709\u7ebf\u7a0b\u6267\u884c\u540c\u4e00\u4efd\u4ee3\u7801\u3002<\/p>\n<\/li>\n<li>\n<p>.data \/ .bss (\u5168\u5c40\/\u9759\u6001\u53d8\u91cf):\u00a0\u9700\u6ce8\u610f\u540c\u6b65\u7ade\u4e89\u3002<\/p>\n<\/li>\n<li>\n<p>Heap (\u5806):\u00a0malloc\u00a0\u51fa\u6765\u7684\u5185\u5b58&#xff0c;\u6307\u9488\u4f20\u9012\u7ed9\u8c01&#xff0c;\u8c01\u5c31\u80fd\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<\/ul>\n<h5>2. \u79c1\u6709\u8d44\u6e90&#xff08;\u7ebf\u7a0b\u72ec\u4eab&#xff09;<\/h5>\n<ul>\n<li>\n<p>Stack (\u6808):\u00a0\u6781\u5176\u91cd\u8981&#xff01;\u867d\u7136\u7406\u8bba\u4e0a\u901a\u8fc7\u6307\u9488\u53ef\u4ee5\u8bbf\u95ee\u522b\u7684\u7ebf\u7a0b\u7684\u6808&#xff0c;\u4f46\u903b\u8f91\u4e0a\u662f\u79c1\u6709\u7684\u3002\u5c40\u90e8\u53d8\u91cf\u3001\u51fd\u6570\u8c03\u7528\u94fe\u90fd\u5728\u8fd9\u91cc\u3002<\/p>\n<\/li>\n<li>\n<p>Registers (\u5bc4\u5b58\u5668):\u00a0\u7ebf\u7a0b\u8c03\u5ea6\u7684\u672c\u8d28\u5c31\u662f\u4fdd\u5b58\u548c\u6062\u590d\u5bc4\u5b58\u5668\u4e0a\u4e0b\u6587&#xff08;PC \u6307\u9488\u3001SP \u6808\u6307\u9488\u7b49&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>TLS (Thread Local Storage):\u00a0\u901a\u8fc7\u00a0__thread\u00a0\u5173\u952e\u5b57\u5b9a\u4e49\u7684\u53d8\u91cf\u3002<\/p>\n<ul>\n<li>\n<p>\u5e95\u5c42\u5b9e\u73b0&#xff1a;\u00a0\u5728 x86_64 \u67b6\u6784\u4e0b&#xff0c;\u901a\u5e38\u5229\u7528\u00a0FS\u00a0\u6216\u00a0GS\u00a0\u6bb5\u5bc4\u5b58\u5668\u6307\u5411\u5f53\u524d\u7ebf\u7a0b\u7684 TCB&#xff08;Thread Control Block&#xff09;&#xff0c;\u4ece\u800c\u5feb\u901f\u8bbf\u95ee\u7ebf\u7a0b\u5c40\u90e8\u53d8\u91cf\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>\u516d\u3001 \u540c\u6b65\u673a\u5236\u7684\u5e95\u5c42&#xff1a;Futex<\/h2>\n<p>\u7ebf\u7a0b\u5171\u4eab\u5185\u5b58\u5e26\u6765\u4e86\u7ade\u4e89&#xff0c;\u6240\u4ee5\u9700\u8981\u9501&#xff08;Mutex&#xff09;\u3002\u65e9\u671f\u7684 Linux \u7ebf\u7a0b\u9501\u975e\u5e38\u6162&#xff0c;\u56e0\u4e3a\u6bcf\u6b21\u52a0\u9501\u89e3\u9501\u90fd\u8981\u9677\u5165\u5185\u6838&#xff08;System Call&#xff09;\u3002<\/p>\n<p>\u73b0\u4ee3 Linux \u7ebf\u7a0b\u540c\u6b65\u7684\u6838\u5fc3\u673a\u5236\u662f\u00a0Futex (Fast Userspace muTEX)\u3002<\/p>\n<p>\u539f\u7406&#xff1a;<\/p>\n<li>\n<p>\u7528\u6237\u6001\u5feb\u8def\u5f84&#xff1a;\u00a0\u9501\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u6574\u6570\u3002\u7ebf\u7a0b\u5c1d\u8bd5\u7528\u539f\u5b50\u64cd\u4f5c&#xff08;CAS &#8211; Compare And Swap&#xff09;\u4fee\u6539\u5b83\u3002\u5982\u679c\u6210\u529f&#xff08;\u65e0\u7ade\u4e89&#xff09;&#xff0c;\u76f4\u63a5\u62ff\u5230\u9501&#xff0c;\u5b8c\u5168\u4e0d\u7ecf\u8fc7\u5185\u6838&#xff0c;\u901f\u5ea6\u6781\u5feb\u3002<\/p>\n<\/li>\n<li>\n<p>\u5185\u6838\u6001\u6162\u8def\u5f84&#xff1a;\u00a0\u53ea\u6709\u5f53\u539f\u5b50\u64cd\u4f5c\u53d1\u73b0\u9501\u5df2\u7ecf\u88ab\u522b\u4eba\u62ff\u8d70\u4e86&#xff08;\u6709\u7ade\u4e89&#xff09;&#xff0c;\u7ebf\u7a0b\u624d\u4f1a\u8c03\u7528\u00a0futex()\u00a0\u7cfb\u7edf\u8c03\u7528&#xff0c;\u9677\u5165\u5185\u6838&#xff0c;\u5c06\u81ea\u5df1\u6302\u8d77&#xff08;Sleeping&#xff09;&#xff0c;\u7b49\u5f85\u88ab\u5524\u9192\u3002<\/p>\n<\/li>\n<p>\u8fd9\u4f7f\u5f97 Linux \u7ebf\u7a0b\u5728\u65e0\u7ade\u4e89\u60c5\u51b5\u4e0b\u7684\u6027\u80fd\u975e\u5e38\u63a5\u8fd1\u65e0\u9501\u64cd\u4f5c\u3002<\/p>\n<h3>1. \u4e92\u65a5\u9501&#xff08;pthread_mutex_t&#xff09;\u7684\u5e95\u5c42<\/h3>\n<ul>\n<li>\u65e0\u7ade\u4e89\u573a\u666f&#xff1a;\u5b8c\u5168\u5728\u7528\u6237\u6001\u901a\u8fc7\u539f\u5b50\u64cd\u4f5c&#xff08;CAS&#xff09;\u52a0\u9501 \/ \u89e3\u9501&#xff0c;\u65e0\u9700\u5185\u6838\u4ecb\u5165&#xff0c;\u6027\u80fd\u6781\u9ad8&#xff1b;<\/li>\n<li>\u6709\u7ade\u4e89\u573a\u666f&#xff1a;\u7ade\u4e89\u5931\u8d25\u7684\u7ebf\u7a0b\u901a\u8fc7 Futex \u7cfb\u7edf\u8c03\u7528\u9677\u5165\u5185\u6838&#xff0c;\u8fdb\u5165\u4f11\u7720\u72b6\u6001&#xff08;\u907f\u514d\u5fd9\u7b49\u6d88\u8017 CPU&#xff09;&#xff1b;<\/li>\n<li>\u89e3\u9501\u65f6&#xff1a;\u5524\u9192\u5185\u6838\u4e2d\u4f11\u7720\u7684\u7ebf\u7a0b&#xff0c;\u4f7f\u5176\u91cd\u65b0\u7ade\u4e89\u9501\u3002<\/li>\n<\/ul>\n<h3>2. \u6761\u4ef6\u53d8\u91cf&#xff08;pthread_cond_t&#xff09;\u7684\u5e95\u5c42<\/h3>\n<ul>\n<li>\u57fa\u4e8e Futex \u5b9e\u73b0&#xff0c;pthread_cond_wait&#xff1a;\u91ca\u653e\u4e92\u65a5\u9501 &#043; \u9677\u5165\u5185\u6838\u4f11\u7720&#xff0c;\u7b49\u5f85\u4fe1\u53f7&#xff1b;<\/li>\n<li>pthread_cond_signal&#xff1a;\u901a\u8fc7 Futex \u5524\u9192\u4f11\u7720\u7684\u7ebf\u7a0b&#xff0c;\u4f7f\u5176\u91cd\u65b0\u83b7\u53d6\u4e92\u65a5\u9501\u5e76\u7ee7\u7eed\u6267\u884c\u3002<\/li>\n<\/ul>\n<h3>\u5bf9\u6bd4&#xff1a;\u81ea\u65cb\u9501 vs \u4e92\u65a5\u9501&#xff08;\u5e95\u5c42&#xff09;<\/h3>\n<ul>\n<li>\u81ea\u65cb\u9501&#xff1a;\u5168\u7a0b\u5728\u7528\u6237\u6001\u5fd9\u7b49&#xff08;CAS&#xff09;&#xff0c;\u9002\u7528\u4e8e\u4e34\u754c\u533a\u6781\u77ed\u7684\u573a\u666f&#xff08;\u907f\u514d\u5185\u6838\u5207\u6362\u5f00\u9500&#xff09;&#xff1b;<\/li>\n<li>\u4e92\u65a5\u9501&#xff1a;\u7ade\u4e89\u65f6\u9677\u5165\u5185\u6838\u4f11\u7720&#xff0c;\u9002\u7528\u4e8e\u4e34\u754c\u533a\u8f83\u957f\u7684\u573a\u666f&#xff08;\u51cf\u5c11 CPU \u6d88\u8017&#xff09;\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u4e03\u3001 \u7ebf\u7a0b\u8c03\u5ea6<\/h2>\n<p>\u65e2\u7136\u7ebf\u7a0b\u5728\u5185\u6838\u91cc\u5c31\u662f\u00a0task_struct&#xff0c;\u90a3\u4e48\u8c03\u5ea6\u5668&#xff08;Scheduler&#xff09;\u5176\u5b9e\u4e0d\u533a\u5206\u4f60\u662f\u8fdb\u7a0b\u7684\u4e3b\u7ebf\u7a0b&#xff0c;\u8fd8\u662f\u5b50\u7ebf\u7a0b\u3002<\/p>\n<ul>\n<li>\n<p>\u8c03\u5ea6\u7b97\u6cd5&#xff1a;\u00a0\u4e3b\u8981\u662f\u00a0CFS (Completely Fair Scheduler)\u3002<\/p>\n<\/li>\n<li>\n<p>\u7b56\u7565&#xff1a;\u00a0\u5185\u6838\u6839\u636e\u00a0task_struct\u00a0\u7684\u4f18\u5148\u7ea7\u3001\u6d88\u8017\u7684\u65f6\u95f4\u7247\u7b49\u8fdb\u884c\u8c03\u5ea6\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f18\u52bf&#xff1a;\u00a0\u56e0\u4e3a\u5185\u6838\u76f4\u63a5\u8c03\u5ea6 LWP&#xff0c;\u6240\u4ee5\u5047\u5982\u4e00\u4e2a\u8fdb\u7a0b\u91cc\u7684\u7ebf\u7a0b A \u963b\u585e\u4e86&#xff08;\u6bd4\u5982\u8bfb\u78c1\u76d8&#xff09;&#xff0c;\u5185\u6838\u4f1a\u7acb\u523b\u8c03\u5ea6\u8be5\u8fdb\u7a0b\u91cc\u7684\u7ebf\u7a0b B \u8fd0\u884c&#xff0c;\u4e0d\u4f1a\u5bfc\u81f4\u6574\u4e2a\u8fdb\u7a0b\u5361\u6b7b&#xff08;\u8fd9\u662f 1:1 \u6a21\u578b\u76f8\u5bf9\u4e8e\u7528\u6237\u7ea7\u7ebf\u7a0b M:N \u6a21\u578b\u7684\u5de8\u5927\u4f18\u52bf&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>\u516b\u3001 \u603b\u7ed3\u56fe\u89e3<\/h2>\n<p>\u7528\u6237\u7a7a\u95f4 (User Space)<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n\u8fdb\u7a0b (Process)<br \/>\n   |<br \/>\n   &#043;&#8212; \u4e3b\u7ebf\u7a0b (Main Thread) &#8212;-&#043;<br \/>\n   |   [\u6808] [TLS] [pthread\u7ed3\u6784]  |<br \/>\n   |                            | &lt;&#8212; \u5171\u4eab\u5806\u3001\u5168\u5c40\u53d8\u91cf\u3001\u6587\u4ef6\u63cf\u8ff0\u7b26<br \/>\n   &#043;&#8212; \u5b50\u7ebf\u7a0b (Thread 1) &#8212;&#8212;-&#043;<br \/>\n   |   [\u6808] [TLS] [pthread\u7ed3\u6784]  |<br \/>\n   |                            |<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n        | \u8c03\u7528 clone() |<br \/>\n        v              v<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n\u5185\u6838\u7a7a\u95f4 (Kernel Space)<br \/>\n   |<br \/>\n   &#043;&#8212; task_struct (PID&#061;100, TGID&#061;100)  &lt;&#8211; \u5bf9\u5e94\u4e3b\u7ebf\u7a0b<br \/>\n   |      | map same mm_struct |<br \/>\n   |<br \/>\n   &#043;&#8212; task_struct (PID&#061;101, TGID&#061;100)  &lt;&#8211; \u5bf9\u5e94\u5b50\u7ebf\u7a0b<br \/>\n          | map same mm_struct |<\/p>\n<h4><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u4e0b\u7684\u7ebf\u7a0b\u5e95\u5c42\u539f\u7406\u662f\u4e00\u4e2a\u975e\u5e38\u7ecf\u5178\u4e14\u7531\u4e8e\u5386\u53f2\u539f\u56e0\u7565\u663e\u72ec\u7279\u7684\u9886\u57df\u3002\u8981\u7406\u89e3\u5b83&#xff0c;\u6211\u4eec\u4e0d\u80fd\u4ec5\u4ec5\u505c\u7559\u5728\u00a0pthread_create\u00a0\u7684 API \u5c42\u9762&#xff0c;\u800c\u5fc5\u987b\u6df1\u5165\u5230\u5185\u6838&#xff08;Kernel&#xff09;\u7684\u6570\u636e\u7ed3\u6784\u3001\u7cfb\u7edf\u8c03\u7528\u4ee5\u53ca\u5185\u5b58\u7ba1\u7406\u673a\u5236\u4e2d\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e Linux \u7ebf\u7a0b\u5e95\u5c42\u539f\u7406\u7684\u8be6\u7ec6\u8bb2\u89e3&#xff0c;\u5206\u4e3a\u51e0\u4e2a\u6838\u5fc3\u5c42\u9762&#xff1a;Linux \u53ea\u6709 LWP&#xff1a;\u7ebf\u7a0b\u672c\u8d28\u662f\u5171\u4eab\u4e86\u5185\u5b58\u7a7a\u95f4\u7684\u8fdb\u7a0b\u3002clone()\u00a0\u662f\u57fa\u77f3&amp;#xff1a<\/p>\n","protected":false},"author":2,"featured_media":61827,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,44],"topic":[],"class_list":["post-61828","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux-\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406 - \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\/61828.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux-\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"Linux \u4e0b\u7684\u7ebf\u7a0b\u5e95\u5c42\u539f\u7406\u662f\u4e00\u4e2a\u975e\u5e38\u7ecf\u5178\u4e14\u7531\u4e8e\u5386\u53f2\u539f\u56e0\u7565\u663e\u72ec\u7279\u7684\u9886\u57df\u3002\u8981\u7406\u89e3\u5b83&#xff0c;\u6211\u4eec\u4e0d\u80fd\u4ec5\u4ec5\u505c\u7559\u5728\u00a0pthread_create\u00a0\u7684 API \u5c42\u9762&#xff0c;\u800c\u5fc5\u987b\u6df1\u5165\u5230\u5185\u6838&#xff08;Kernel&#xff09;\u7684\u6570\u636e\u7ed3\u6784\u3001\u7cfb\u7edf\u8c03\u7528\u4ee5\u53ca\u5185\u5b58\u7ba1\u7406\u673a\u5236\u4e2d\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e Linux \u7ebf\u7a0b\u5e95\u5c42\u539f\u7406\u7684\u8be6\u7ec6\u8bb2\u89e3&#xff0c;\u5206\u4e3a\u51e0\u4e2a\u6838\u5fc3\u5c42\u9762&#xff1a;Linux \u53ea\u6709 LWP&#xff1a;\u7ebf\u7a0b\u672c\u8d28\u662f\u5171\u4eab\u4e86\u5185\u5b58\u7a7a\u95f4\u7684\u8fdb\u7a0b\u3002clone()\u00a0\u662f\u57fa\u77f3&amp;#xff1a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/61828.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-18T10:44:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118104358-696cb96e57814.jpg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/61828.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/61828.html\",\"name\":\"Linux-\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-01-18T10:44:00+00:00\",\"dateModified\":\"2026-01-18T10:44:00+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/61828.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/61828.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/61828.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Linux---\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Linux-\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/61828.html","og_locale":"zh_CN","og_type":"article","og_title":"Linux-\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"Linux \u4e0b\u7684\u7ebf\u7a0b\u5e95\u5c42\u539f\u7406\u662f\u4e00\u4e2a\u975e\u5e38\u7ecf\u5178\u4e14\u7531\u4e8e\u5386\u53f2\u539f\u56e0\u7565\u663e\u72ec\u7279\u7684\u9886\u57df\u3002\u8981\u7406\u89e3\u5b83&#xff0c;\u6211\u4eec\u4e0d\u80fd\u4ec5\u4ec5\u505c\u7559\u5728\u00a0pthread_create\u00a0\u7684 API \u5c42\u9762&#xff0c;\u800c\u5fc5\u987b\u6df1\u5165\u5230\u5185\u6838&#xff08;Kernel&#xff09;\u7684\u6570\u636e\u7ed3\u6784\u3001\u7cfb\u7edf\u8c03\u7528\u4ee5\u53ca\u5185\u5b58\u7ba1\u7406\u673a\u5236\u4e2d\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e Linux \u7ebf\u7a0b\u5e95\u5c42\u539f\u7406\u7684\u8be6\u7ec6\u8bb2\u89e3&#xff0c;\u5206\u4e3a\u51e0\u4e2a\u6838\u5fc3\u5c42\u9762&#xff1a;Linux \u53ea\u6709 LWP&#xff1a;\u7ebf\u7a0b\u672c\u8d28\u662f\u5171\u4eab\u4e86\u5185\u5b58\u7a7a\u95f4\u7684\u8fdb\u7a0b\u3002clone()\u00a0\u662f\u57fa\u77f3&amp;#xff1a","og_url":"https:\/\/www.wsisp.com\/helps\/61828.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-01-18T10:44:00+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260118104358-696cb96e57814.jpg"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/61828.html","url":"https:\/\/www.wsisp.com\/helps\/61828.html","name":"Linux-\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-01-18T10:44:00+00:00","dateModified":"2026-01-18T10:44:00+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/61828.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/61828.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/61828.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"Linux---\u7ebf\u7a0b_\u5e95\u5c42\u539f\u7406"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/61828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=61828"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/61828\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/61827"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=61828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=61828"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=61828"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=61828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}