{"id":1650,"date":"2022-03-21T13:11:38","date_gmt":"2022-03-21T05:11:38","guid":{"rendered":"https:\/\/www.xianwaizhiyin.net\/?p=1650"},"modified":"2022-03-21T13:12:33","modified_gmt":"2022-03-21T05:12:33","slug":"%e8%bd%ac%e8%bd%bd%ef%bc%9alinux%e7%ba%bf%e7%a8%8b%e6%8c%82%e6%8e%89%e5%af%b9%e6%95%b4%e4%b8%aa%e8%bf%9b%e7%a8%8b%e7%9a%84%e5%bd%b1%e5%93%8d","status":"publish","type":"post","link":"https:\/\/www.xianwaizhiyin.net\/?p=1650","title":{"rendered":"\u8f6c\u8f7d\uff1aLinux\u7ebf\u7a0b\u6302\u6389\u5bf9\u6574\u4e2a\u8fdb\u7a0b\u7684\u5f71\u54cd"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>\u4e25\u683c\u7684\u8bf4\u6ca1\u6709\u201c\u7ebf\u7a0b\u5d29\u6e83\u201d\uff0c\u53ea\u662f\u89e6\u53d1\u4e86SIGSEGV (Segmentation Violation\/Fault)\u3002\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u5bf9\u5e94\u7684Signal Handler\u64cd\u4f5c\u7cfb\u7edf\u5c31\u81ea\u52a8\u7ec8\u6b62\u8fdb\u7a0b\uff08\u6216\u8005\u8bf4\u9ed8\u8ba4\u7684Signal 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class=\"wp-block-code\"><code class=\"prettyprint\" >#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;errno.h&gt;\n#include &lt;string.h&gt;\n#include &lt;fcntl.h&gt;\n#include &lt;libgen.h&gt;\n#include &lt;assert.h&gt;\n#include &lt;stdbool.h&gt;\n#include &lt;signal.h&gt;\n \n#include &lt;sys\/types.h&gt;\n#include &lt;sys\/socket.h&gt;\n#include &lt;netinet\/in.h&gt;\n#include &lt;arpa\/inet.h&gt;\n#include &lt;sys\/epoll.h&gt;\n#include &lt;pthread.h&gt;\n \nchar* p_ = NULL;\n \nconst int pthreadCount_ = 3;\npthread_t pt_&#091;pthreadCount_] = { 0 };\n \nvoid* threadProc(void* arg)\n{\n\tchar buf&#091;10] = { 0 };\n\tint pthread_idx_ = *((int*)arg);\n \n\tsleep(2);\n \n\tif (pthread_idx_ == 2) {\n \n\t\tbuf&#091;20] = &#039;0&#039;;\n\t\tp_&#091;0] = &#039;0&#039;;\n\t\t\n\t}\n \n\twhile (1) {\n \n\t\tprintf(&quot;thread is %d\\n&quot;, pthread_idx_);\n\t\tsleep(2);\n\t}\n \n\treturn NULL;\n}\n \nvoid handler(int sig)\n{\n\tprintf(&quot;The cause the signal is %d\\n&quot;, sig);\n    sleep(20);\n\t\/\/exit(-1);\n}\n \nint main(int argc, char* argv&#091;])\n{\n \n\tsignal(SIGSEGV, handler);\n \n\tint ret = -1;\n\tint pthread_arg&#091;pthreadCount_] = { 0 };\n \n\tfor (int i = 0; i &lt; pthreadCount_; i++) {\n \n\t\tpthread_arg&#091;i] = i;\n\t\tret = pthread_create(&amp;pt_&#091;i], NULL, threadProc, &amp;pthread_arg&#091;i]);\n\t\tif (ret &lt; 0) {\n \n\t\t\tprintf(&quot;The create thread %d is failed!\\n&quot;, i);\n\t\t\treturn 0;\n\t\t}\n\t}\n \n\tfor (int j = 0; j &lt; pthreadCount_; j++)\n\t\tpthread_join(pt_&#091;j], NULL);\n \n\treturn 0;\n}<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u4f1a\u5728\u6807\u53f7\u4e3a2\u7684\u7ebf\u7a0b\u5904\u56e0\u4e3a\u7a7a\u6307\u9488p\u7684\u8bbf\u95ee\u800c\u4ea7\u751fsegmentation 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alt=\"\"\/><\/figure>\n\n\n\n<p><br>\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<br>\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aCSDN\u535a\u4e3b\u300cparadox_1_0\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faaCC 4.0 BY-SA\u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002<br>\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/paradox_1_0\/article\/details\/105515319<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e25\u683c\u7684\u8bf4\u6ca1\u6709\u201c\u7ebf\u7a0b\u5d29\u6e83\u201d\uff0c\u53ea\u662f\u89e6\u53d1\u4e86SIGSEGV (Segmentation Violation\/Fault 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