{"id":2789,"date":"2019-01-31T15:04:50","date_gmt":"2019-01-31T07:04:50","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=2789"},"modified":"2019-01-31T15:04:50","modified_gmt":"2019-01-31T07:04:50","slug":"golang%e4%bf%a1%e5%8f%b7%e5%a4%84%e7%90%86%e5%92%8c%e4%bc%98%e9%9b%85%e9%80%80%e5%87%ba%e5%ae%88%e6%8a%a4%e8%bf%9b%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/2789","title":{"rendered":"Golang\u4fe1\u53f7\u5904\u7406\u548c\u4f18\u96c5\u9000\u51fa\u5b88\u62a4\u8fdb\u7a0b"},"content":{"rendered":"
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Golang\u4e2d\u7684\u4fe1\u53f7\u5904\u7406<\/div>\n<\/div>\n<\/div>\n
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    \n
  • \u4fe1\u53f7\u7c7b\u578b<\/li>\n<\/ul>\n
    \u4e2a\u5e73\u53f0\u7684\u4fe1\u53f7\u5b9a\u4e49\u6216\u8bb8\u6709\u4e9b\u4e0d\u540c\u3002\u4e0b\u9762\u5217\u51fa\u4e86POSIX<\/span>\u4e2d\u5b9a\u4e49\u7684\u4fe1\u53f7\u3002\r\nLinux<\/span> \u4f7f\u752834-64<\/span>\u4fe1\u53f7\u7528\u4f5c\u5b9e\u65f6\u7cfb\u7edf\u4e2d\u3002\r\n\u547d\u4ee4 man<\/span> signal<\/span> \u63d0\u4f9b\u4e86\u5b98\u65b9\u7684\u4fe1\u53f7\u4ecb\u7ecd\u3002\r\n\u5728POSIX<\/span>.1-1990<\/span>\u6807\u51c6\u4e2d\u5b9a\u4e49\u7684\u4fe1\u53f7\u5217\u8868\r\n<\/code><\/pre>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u4fe1\u53f7<\/th>\n\u503c<\/th>\n\u52a8\u4f5c<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
    SIGHUP<\/td>\n1<\/td>\nTerm<\/td>\n\u7ec8\u7aef\u63a7\u5236\u8fdb\u7a0b\u7ed3\u675f(\u7ec8\u7aef\u8fde\u63a5\u65ad\u5f00)<\/td>\n<\/tr>\n
    SIGINT<\/td>\n2<\/td>\nTerm<\/td>\n\u7528\u6237\u53d1\u9001INTR\u5b57\u7b26(Ctrl+C)\u89e6\u53d1<\/td>\n<\/tr>\n
    SIGQUIT<\/td>\n3<\/td>\nCore<\/td>\n\u7528\u6237\u53d1\u9001QUIT\u5b57\u7b26(Ctrl+\/)\u89e6\u53d1<\/td>\n<\/tr>\n
    SIGILL<\/td>\n4<\/td>\nCore<\/td>\n\u975e\u6cd5\u6307\u4ee4(\u7a0b\u5e8f\u9519\u8bef\u3001\u8bd5\u56fe\u6267\u884c\u6570\u636e\u6bb5\u3001\u6808\u6ea2\u51fa\u7b49)<\/td>\n<\/tr>\n
    SIGABRT<\/td>\n6<\/td>\nCore<\/td>\n\u8c03\u7528abort\u51fd\u6570\u89e6\u53d1<\/td>\n<\/tr>\n
    SIGFPE<\/td>\n8<\/td>\nCore<\/td>\n\u7b97\u672f\u8fd0\u884c\u9519\u8bef(\u6d6e\u70b9\u8fd0\u7b97\u9519\u8bef\u3001\u9664\u6570\u4e3a\u96f6\u7b49)<\/td>\n<\/tr>\n
    SIGKILL<\/td>\n9<\/td>\nTerm<\/td>\n\u65e0\u6761\u4ef6\u7ed3\u675f\u7a0b\u5e8f(\u4e0d\u80fd\u88ab\u6355\u83b7\u3001\u963b\u585e\u6216\u5ffd\u7565)<\/td>\n<\/tr>\n
    SIGSEGV<\/td>\n11<\/td>\nCore<\/td>\n\u65e0\u6548\u5185\u5b58\u5f15\u7528(\u8bd5\u56fe\u8bbf\u95ee\u4e0d\u5c5e\u4e8e\u81ea\u5df1\u7684\u5185\u5b58\u7a7a\u95f4\u3001\u5bf9\u53ea\u8bfb\u5185\u5b58\u7a7a\u95f4\u8fdb\u884c\u5199\u64cd\u4f5c)<\/td>\n<\/tr>\n
    SIGPIPE<\/td>\n13<\/td>\nTerm<\/td>\n\u6d88\u606f\u7ba1\u9053\u635f\u574f(FIFO\/Socket\u901a\u4fe1\u65f6\uff0c\u7ba1\u9053\u672a\u6253\u5f00\u800c\u8fdb\u884c\u5199\u64cd\u4f5c)<\/td>\n<\/tr>\n
    SIGALRM<\/td>\n14<\/td>\nTerm<\/td>\n\u65f6\u949f\u5b9a\u65f6\u4fe1\u53f7<\/td>\n<\/tr>\n
    SIGTERM<\/td>\n15<\/td>\nTerm<\/td>\n\u7ed3\u675f\u7a0b\u5e8f(\u53ef\u4ee5\u88ab\u6355\u83b7\u3001\u963b\u585e\u6216\u5ffd\u7565)<\/td>\n<\/tr>\n
    SIGUSR1<\/td>\n30,10,16<\/td>\nTerm<\/td>\n\u7528\u6237\u4fdd\u7559<\/td>\n<\/tr>\n
    SIGUSR2<\/td>\n31,12,17<\/td>\nTerm<\/td>\n\u7528\u6237\u4fdd\u7559<\/td>\n<\/tr>\n
    SIGCHLD<\/td>\n20,17,18<\/td>\nIgn<\/td>\n\u5b50\u8fdb\u7a0b\u7ed3\u675f(\u7531\u7236\u8fdb\u7a0b\u63a5\u6536)<\/td>\n<\/tr>\n
    SIGCONT<\/td>\n19,18,25<\/td>\nCont<\/td>\n\u7ee7\u7eed\u6267\u884c\u5df2\u7ecf\u505c\u6b62\u7684\u8fdb\u7a0b(\u4e0d\u80fd\u88ab\u963b\u585e)<\/td>\n<\/tr>\n
    SIGSTOP<\/td>\n17,19,23<\/td>\nStop<\/td>\n\u505c\u6b62\u8fdb\u7a0b(\u4e0d\u80fd\u88ab\u6355\u83b7\u3001\u963b\u585e\u6216\u5ffd\u7565)<\/td>\n<\/tr>\n
    SIGTSTP<\/td>\n18,20,24<\/td>\nStop<\/td>\n\u505c\u6b62\u8fdb\u7a0b(\u53ef\u4ee5\u88ab\u6355\u83b7\u3001\u963b\u585e\u6216\u5ffd\u7565)<\/td>\n<\/tr>\n
    SIGTTIN<\/td>\n21,21,26<\/td>\nStop<\/td>\n\u540e\u53f0\u7a0b\u5e8f\u4ece\u7ec8\u7aef\u4e2d\u8bfb\u53d6\u6570\u636e\u65f6\u89e6\u53d1<\/td>\n<\/tr>\n
    SIGTTOU<\/td>\n22,22,27<\/td>\nStop<\/td>\n\u540e\u53f0\u7a0b\u5e8f\u5411\u7ec8\u7aef\u4e2d\u5199\u6570\u636e\u65f6\u89e6\u53d1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n
    • \u5728SUSv2\u548cPOSIX.1-2001\u6807\u51c6\u4e2d\u7684\u4fe1\u53f7\u5217\u8868:<\/li>\n<\/ul>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \u4fe1\u53f7<\/th>\n\u503c<\/th>\n\u52a8\u4f5c<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
      SIGTRAP<\/td>\n5<\/td>\nCore<\/td>\nTrap\u6307\u4ee4\u89e6\u53d1(\u5982\u65ad\u70b9\uff0c\u5728\u8c03\u8bd5\u5668\u4e2d\u4f7f\u7528)<\/td>\n<\/tr>\n
      SIGBUS<\/td>\n0,7,10<\/td>\nCore<\/td>\n\u975e\u6cd5\u5730\u5740(\u5185\u5b58\u5730\u5740\u5bf9\u9f50\u9519\u8bef)<\/td>\n<\/tr>\n
      SIGPOLL<\/td>\n<\/td>\nTerm<\/td>\nPollable event (Sys V). Synonym for SIGIO<\/td>\n<\/tr>\n
      SIGPROF<\/td>\n27,27,29<\/td>\nTerm<\/td>\n\u6027\u80fd\u65f6\u949f\u4fe1\u53f7(\u5305\u542b\u7cfb\u7edf\u8c03\u7528\u65f6\u95f4\u548c\u8fdb\u7a0b\u5360\u7528CPU\u7684\u65f6\u95f4)<\/td>\n<\/tr>\n
      SIGSYS<\/td>\n12,31,12<\/td>\nCore<\/td>\n\u65e0\u6548\u7684\u7cfb\u7edf\u8c03\u7528(SVr4)<\/td>\n<\/tr>\n
      SIGURG<\/td>\n16,23,21<\/td>\nIgn<\/td>\n\u6709\u7d27\u6025\u6570\u636e\u5230\u8fbeSocket(4.2BSD)<\/td>\n<\/tr>\n
      SIGVTALRM<\/td>\n26,26,28<\/td>\nTerm<\/td>\n\u865a\u62df\u65f6\u949f\u4fe1\u53f7(\u8fdb\u7a0b\u5360\u7528CPU\u7684\u65f6\u95f4)(4.2BSD)<\/td>\n<\/tr>\n
      SIGXCPU<\/td>\n24,24,30<\/td>\nCore<\/td>\n\u8d85\u8fc7CPU\u65f6\u95f4\u8d44\u6e90\u9650\u5236(4.2BSD)<\/td>\n<\/tr>\n
      SIGXFSZ<\/td>\n25,25,31<\/td>\nCore<\/td>\n\u8d85\u8fc7\u6587\u4ef6\u5927\u5c0f\u8d44\u6e90\u9650\u5236(4.2BSD)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \u7b2c1<\/span>\u5217\u4e3a\u4fe1\u53f7\u540d\uff1b\r\n\u7b2c2<\/span>\u5217\u4e3a\u5bf9\u5e94\u7684\u4fe1\u53f7\u503c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6709\u4e9b\u4fe1\u53f7\u540d\u5bf9\u5e94\u77403<\/span>\u4e2a\u4fe1\u53f7\u503c\uff0c\u8fd9\u662f\u56e0\u4e3a\u8fd9\u4e9b\u4fe1\u53f7\u503c\u4e0e\u5e73\u53f0\u76f8\u5173\uff0c\u5c06man\u624b\u518c\u4e2d\u5bf93<\/span>\u4e2a\u4fe1\u53f7\u503c\u7684\u8bf4\u660e\u6458\u51fa\u5982\u4e0b\uff0cthe first one is<\/span> usually valid for<\/span> alpha and<\/span> sparc, the middle one for<\/span> i386, ppc and<\/span> sh, and<\/span> the last one for<\/span> mips.\r\n\u7b2c3<\/span>\u5217\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u6536\u5230\u4fe1\u53f7\u540e\u7684\u52a8\u4f5c\uff0cTerm\u8868\u660e\u9ed8\u8ba4\u52a8\u4f5c\u4e3a\u7ec8\u6b62\u8fdb\u7a0b\uff0cIgn\u8868\u660e\u9ed8\u8ba4\u52a8\u4f5c\u4e3a\u5ffd\u7565\u8be5\u4fe1\u53f7\uff0cCore\u8868\u660e\u9ed8\u8ba4\u52a8\u4f5c\u4e3a\u7ec8\u6b62\u8fdb\u7a0b\u540c\u65f6\u8f93\u51facore dump\uff0cStop\u8868\u660e\u9ed8\u8ba4\u52a8\u4f5c\u4e3a\u505c\u6b62\u8fdb\u7a0b\u3002\r\n\u7b2c4<\/span>\u5217\u4e3a\u5bf9\u4fe1\u53f7\u4f5c\u7528\u7684\u6ce8\u91ca\u6027\u8bf4\u660e\uff0c\u6d45\u663e\u6613\u61c2\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u3002\r\n\u9700\u8981\u7279\u522b\u8bf4\u660e\u7684\u662f\uff0cSIGKILL\u548cSIGSTOP\u8fd9\u4e24\u4e2a\u4fe1\u53f7\u65e2\u4e0d\u80fd\u88ab\u5e94\u7528\u7a0b\u5e8f\u6355\u83b7\uff0c\u4e5f\u4e0d\u80fd\u88ab\u64cd\u4f5c\u7cfb\u7edf\u963b\u585e\u6216\u5ffd\u7565\u3002\r\n<\/code><\/pre>\n
        \n
      • kill pid\u4e0ekill -9 pid\u7684\u533a\u522b<\/li>\n<\/ul>\n
        kill<\/span> pid\u7684\u4f5c\u7528\u662f\u5411\u8fdb\u7a0b\u53f7\u4e3apid\u7684\u8fdb\u7a0b\u53d1\u9001SIGTERM\uff08\u8fd9\u662fkill<\/span>\u9ed8\u8ba4\u53d1\u9001\u7684\u4fe1\u53f7\uff09\uff0c\u8be5\u4fe1\u53f7\u662f\u4e00\u4e2a\u7ed3\u675f\u8fdb\u7a0b\u7684\u4fe1\u53f7\u4e14\u53ef\u4ee5\u88ab\u5e94\u7528\u7a0b\u5e8f\u6355\u83b7\u3002\u82e5\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u6355\u83b7\u5e76\u54cd\u5e94\u8be5\u4fe1\u53f7\u7684\u903b\u8f91\u4ee3\u7801\uff0c\u5219\u8be5\u4fe1\u53f7\u7684\u9ed8\u8ba4\u52a8\u4f5c\u662fkill<\/span>\u6389\u8fdb\u7a0b\u3002\u8fd9\u662f\u7ec8\u6b62\u6307\u5b9a\u8fdb\u7a0b\u7684\u63a8\u8350\u505a\u6cd5\u3002\r\n<\/code><\/pre>\n
        kill<\/span> -9 pid\u5219\u662f\u5411\u8fdb\u7a0b\u53f7\u4e3apid\u7684\u8fdb\u7a0b\u53d1\u9001SIGKILL\uff08\u8be5\u4fe1\u53f7\u7684\u7f16\u53f7\u4e3a9\uff09\uff0c\u4ece\u672c\u6587\u4e0a\u9762\u7684\u8bf4\u660e\u53ef\u77e5\uff0cSIGKILL\u65e2\u4e0d\u80fd\u88ab\u5e94\u7528\u7a0b\u5e8f\u6355\u83b7\uff0c\u4e5f\u4e0d\u80fd\u88ab\u963b\u585e\u6216\u5ffd\u7565\uff0c\u5176\u52a8\u4f5c\u662f\u7acb\u5373\u7ed3\u675f\u6307\u5b9a\u8fdb\u7a0b\u3002\u901a\u4fd7\u5730\u8bf4\uff0c\u5e94\u7528\u7a0b\u5e8f\u6839\u672c\u65e0\u6cd5\u201c\u611f\u77e5\u201dSIGKILL\u4fe1\u53f7\uff0c\u5b83\u5728\u5b8c\u5168\u65e0\u51c6\u5907\u7684\u60c5\u51b5\u4e0b\uff0c\u5c31\u88ab\u6536\u5230SIGKILL\u4fe1\u53f7\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ed9\u5e72\u6389\u4e86\uff0c\u663e\u7136\uff0c\u5728\u8fd9\u79cd\u201c\u66b4\u529b\u201d\u60c5\u51b5\u4e0b\uff0c\u5e94\u7528\u7a0b\u5e8f\u5b8c\u5168\u6ca1\u6709\u91ca\u653e\u5f53\u524d\u5360\u7528\u8d44\u6e90\u7684\u673a\u4f1a\u3002\u4e8b\u5b9e\u4e0a\uff0cSIGKILL\u4fe1\u53f7\u662f\u76f4\u63a5\u53d1\u7ed9init\u8fdb\u7a0b\u7684\uff0c\u5b83\u6536\u5230\u8be5\u4fe1\u53f7\u540e\uff0c\u8d1f\u8d23\u7ec8\u6b62pid\u6307\u5b9a\u7684\u8fdb\u7a0b\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff08\u5982\u8fdb\u7a0b\u5df2\u7ecfhang\u6b7b\uff0c\u65e0\u6cd5\u54cd\u5e94\u6b63\u5e38\u4fe1\u53f7\uff09\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528kill<\/span> -9\u6765\u7ed3\u675f\u8fdb\u7a0b\u3002\r\n<\/code><\/pre>\n
        \u82e5\u901a\u8fc7kill<\/span>\u7ed3\u675f\u7684\u8fdb\u7a0b\u662f\u4e00\u4e2a\u521b\u5efa\u8fc7\u5b50\u8fdb\u7a0b\u7684\u7236\u8fdb\u7a0b\uff0c\u5219\u5176\u5b50\u8fdb\u7a0b\u5c31\u4f1a\u6210\u4e3a\u5b64\u513f\u8fdb\u7a0b\uff08Orphan Process\uff09\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b50\u8fdb\u7a0b\u7684\u9000\u51fa\u72b6\u6001\u5c31\u4e0d\u80fd\u518d\u88ab\u5e94\u7528\u8fdb\u7a0b\u6355\u83b7\uff08\u56e0\u4e3a\u4f5c\u4e3a\u7236\u8fdb\u7a0b\u7684\u5e94\u7528\u7a0b\u5e8f\u5df2\u7ecf\u4e0d\u5b58\u5728\u4e86\uff09\uff0c\u4e0d\u8fc7\u5e94\u8be5\u4e0d\u4f1a\u5bf9\u6574\u4e2alinux\u7cfb\u7edf\u4ea7\u751f\u4ec0\u4e48\u4e0d\u5229\u5f71\u54cd\u3002\r\n<\/code><\/pre>\n
          \n
        • \u5e94\u7528\u7a0b\u5e8f\u5982\u4f55\u4f18\u96c5\u9000\u51fa<\/li>\n<\/ul>\n
          Linux Server\u7aef\u7684\u5e94\u7528\u7a0b\u5e8f\u7ecf\u5e38\u4f1a\u957f\u65f6\u95f4\u8fd0\u884c\uff0c\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u7533\u8bf7\u4e86\u5f88\u591a\u7cfb\u7edf\u8d44\u6e90\uff0c\u4e5f\u53ef\u80fd\u4fdd\u5b58\u4e86\u5f88\u591a\u72b6\u6001\uff0c\u5728\u8fd9\u4e9b\u573a\u666f\u4e0b\uff0c\u6211\u4eec\u5e0c\u671b\u8fdb\u7a0b\u5728\u9000\u51fa\u524d\uff0c\u53ef\u4ee5\u91ca\u653e\u8d44\u6e90\u6216\u5c06\u5f53\u524d\u72b6\u6001dump\u5230\u78c1\u76d8\u4e0a\u6216\u6253\u5370\u4e00\u4e9b\u91cd\u8981\u7684\u65e5\u5fd7\uff0c\u4e5f\u5c31\u662f\u5e0c\u671b\u8fdb\u7a0b\u4f18\u96c5\u9000\u51fa\uff08exit<\/span> gracefully\uff09\u3002\r\n<\/code><\/pre>\n
          \u4ece\u4e0a\u9762\u7684\u4ecb\u7ecd\u4e0d\u96be\u770b\u51fa\uff0c\u4f18\u96c5\u9000\u51fa\u53ef\u4ee5\u901a\u8fc7\u6355\u83b7SIGTERM\u6765\u5b9e\u73b0\u3002\u5177\u4f53\u6765\u8bb2\uff0c\u901a\u5e38\u53ea\u9700\u8981\u4e24\u6b65\u52a8\u4f5c\uff1a\r\n1\uff09\u6ce8\u518cSIGTERM\u4fe1\u53f7\u7684\u5904\u7406\u51fd\u6570\u5e76\u5728\u5904\u7406\u51fd\u6570\u4e2d\u505a\u4e00\u4e9b\u8fdb\u7a0b\u9000\u51fa\u7684\u51c6\u5907\u3002\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u7684\u6ce8\u518c\u53ef\u4ee5\u901a\u8fc7signal()\u6216sigaction()\u6765\u5b9e\u73b0\uff0c\u5176\u4e2d\uff0c\u63a8\u8350\u4f7f\u7528\u540e\u8005\u6765\u5b9e\u73b0\u4fe1\u53f7\u54cd\u5e94\u51fd\u6570\u7684\u8bbe\u7f6e\u3002\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u7684\u903b\u8f91\u8d8a\u7b80\u5355\u8d8a\u597d\uff0c\u901a\u5e38\u7684\u505a\u6cd5\u662f\u5728\u8be5\u51fd\u6570\u4e2d\u8bbe\u7f6e\u4e00\u4e2abool\u578b\u7684flag\u53d8\u91cf\u4ee5\u8868\u660e\u8fdb\u7a0b\u6536\u5230\u4e86SIGTERM\u4fe1\u53f7\uff0c\u51c6\u5907\u9000\u51fa\u3002\r\n2\uff09\u5728\u4e3b\u8fdb\u7a0b\u7684main()\u4e2d\uff0c\u901a\u8fc7\u7c7b\u4f3c\u4e8ewhile<\/span>(!bQuit)\u7684\u903b\u8f91\u6765\u68c0\u6d4b\u90a3\u4e2aflag\u53d8\u91cf\uff0c\u4e00\u65e6bQuit\u5728signal handler function<\/span>\u4e2d\u88ab\u7f6e\u4e3atrue<\/span>\uff0c\u5219\u4e3b\u8fdb\u7a0b\u9000\u51fawhile<\/span>()\u5faa\u73af\uff0c\u63a5\u4e0b\u6765\u5c31\u662f\u4e00\u4e9b\u91ca\u653e\u8d44\u6e90\u6216dump\u8fdb\u7a0b\u5f53\u524d\u72b6\u6001\u6216\u8bb0\u5f55\u65e5\u5fd7\u7684\u52a8\u4f5c\uff0c\u5b8c\u6210\u8fd9\u4e9b\u540e\uff0c\u4e3b\u8fdb\u7a0b\u9000\u51fa\u3002\r\n<\/code><\/pre>\n
          Go\u4e2d\u7684Signal\u53d1\u9001\u548c\u5904\u7406<\/h2>\n
            \n
          • golang\u4e2d\u5bf9\u4fe1\u53f7\u7684\u5904\u7406\u4e3b\u8981\u4f7f\u7528os\/signal\u5305\u4e2d\u7684\u4e24\u4e2a\u65b9\u6cd5\uff1a<\/li>\n
          • notify\u65b9\u6cd5\u7528\u6765\u76d1\u542c\u6536\u5230\u7684\u4fe1\u53f7<\/li>\n
          • stop\u65b9\u6cd5\u7528\u6765\u53d6\u6d88\u76d1\u542c<\/li>\n<\/ul>\n
            1.\u76d1\u542c\u5168\u90e8\u4fe1\u53f7<\/h4>\n
            package<\/span> main\r\n\r\nimport<\/span> (\r\n    \"fmt\"<\/span>\r\n    \"os\"<\/span>\r\n    \"os\/signal\"<\/span>\r\n)<\/span>\r\n\r\n\/\/ \u76d1\u542c\u5168\u90e8\u4fe1\u53f7<\/span>\r\nfunc main<\/span>()<\/span>  <\/span>{\r\n    \/\/\u5408\u5efachan<\/span>\r\n    c := make(chan os.Signal)\r\n    \/\/\u76d1\u542c\u6240\u6709\u4fe1\u53f7<\/span>\r\n    signal.Notify(c)\r\n    \/\/\u963b\u585e\u76f4\u5230\u6709\u4fe1\u53f7\u4f20\u5165<\/span>\r\n    fmt.Println(\"\u542f\u52a8\"<\/span>)\r\n    s := <-c\r\n    fmt.Println(\"\u9000\u51fa\u4fe1\u53f7\"<\/span>, s)\r\n}\r\n<\/code><\/pre>\n
            \u542f\u52a8\r\ngo run example-1.go\r\n\u542f\u52a8\r\n\r\nctrl+c\u9000\u51fa,\u8f93\u51fa\r\n\u9000\u51fa\u4fe1\u53f7 interrupt\r\n\r\nkill<\/span> pid \u8f93\u51fa\r\n\u9000\u51fa\u4fe1\u53f7 terminated\r\n<\/code><\/pre>\n
            2.\u76d1\u542c\u6307\u5b9a\u4fe1\u53f7<\/h4>\n
            package<\/span> main\r\n\r\nimport<\/span> (\r\n    \"fmt\"<\/span>\r\n    \"os\"<\/span>\r\n    \"os\/signal\"<\/span>\r\n    \"syscall\"<\/span>\r\n)<\/span>\r\n\r\n\/\/ \u76d1\u542c\u6307\u5b9a\u4fe1\u53f7<\/span>\r\nfunc main<\/span>()<\/span>  <\/span>{\r\n    \/\/\u5408\u5efachan<\/span>\r\n    c := make(chan os.Signal)\r\n    \/\/\u76d1\u542c\u6307\u5b9a\u4fe1\u53f7 ctrl+c kill<\/span>\r\n    signal.Notify(c, os.Interrupt, os.Kill, syscall.SIGUSR1, syscall.SIGUSR2)\r\n    \/\/\u963b\u585e\u76f4\u5230\u6709\u4fe1\u53f7\u4f20\u5165<\/span>\r\n    fmt.Println(\"\u542f\u52a8\"<\/span>)\r\n    \/\/\u963b\u585e\u76f4\u81f3\u6709\u4fe1\u53f7\u4f20\u5165<\/span>\r\n    s := <-c\r\n    fmt.Println(\"\u9000\u51fa\u4fe1\u53f7\"<\/span>, s)\r\n}\r\n<\/code><\/pre>\n
            \u542f\u52a8\r\ngo run example-2.go\r\n\u542f\u52a8\r\n\r\nctrl+c\u9000\u51fa,\u8f93\u51fa\r\n\u9000\u51fa\u4fe1\u53f7 interrupt\r\n\r\nkill<\/span> pid \u8f93\u51fa\r\n\u9000\u51fa\u4fe1\u53f7 terminated\r\n\r\nkill<\/span> -USR1 pid \u8f93\u51fa\r\n\u9000\u51fa\u4fe1\u53f7 user defined signal 1\r\n\r\nkill<\/span> -USR2 pid \u8f93\u51fa\r\n\u9000\u51fa\u4fe1\u53f7 user defined signal 2\r\n<\/code><\/pre>\n
            3.\u4f18\u96c5\u9000\u51fago\u5b88\u62a4\u8fdb\u7a0b<\/h4>\n
            package<\/span> main\r\n\r\nimport<\/span> (\r\n    \"fmt\"<\/span>\r\n    \"os\"<\/span>\r\n    \"os\/signal\"<\/span>\r\n    \"syscall\"<\/span>\r\n    \"time\"<\/span>\r\n)<\/span>\r\n\r\n\/\/ \u4f18\u96c5\u9000\u51fago\u5b88\u62a4\u8fdb\u7a0b<\/span>\r\nfunc main<\/span>()<\/span>  <\/span>{\r\n    \/\/\u521b\u5efa\u76d1\u542c\u9000\u51fachan<\/span>\r\n    c := make(chan os.Signal)\r\n    \/\/\u76d1\u542c\u6307\u5b9a\u4fe1\u53f7 ctrl+c kill<\/span>\r\n    signal.Notify(c, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT, syscall.SIGUSR1, syscall.SIGUSR2)\r\n    go func<\/span>()<\/span> <\/span>{\r\n        for<\/span> s := range c {\r\n            switch<\/span> s {\r\n            case<\/span> syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT:\r\n                fmt.Println(\"\u9000\u51fa\"<\/span>, s)\r\n                ExitFunc()\r\n            case<\/span> syscall.SIGUSR1:\r\n                fmt.Println(\"usr1\"<\/span>, s)\r\n            case<\/span> syscall.SIGUSR2:\r\n                fmt.Println(\"usr2\"<\/span>, s)\r\n            default<\/span>:\r\n                fmt.Println(\"other\"<\/span>, s)\r\n            }\r\n        }\r\n    }()\r\n\r\n    fmt.Println(\"\u8fdb\u7a0b\u542f\u52a8...\"<\/span>)\r\n    sum := 0<\/span>\r\n    for<\/span> {\r\n        sum++\r\n        fmt.Println(\"sum:\"<\/span>, sum)\r\n        time.Sleep(time.Second)\r\n    }\r\n}\r\n\r\nfunc ExitFunc<\/span>()<\/span>  <\/span>{\r\n    fmt.Println(\"\u5f00\u59cb\u9000\u51fa...\"<\/span>)\r\n    fmt.Println(\"\u6267\u884c\u6e05\u7406...\"<\/span>)\r\n    fmt.Println(\"\u7ed3\u675f\u9000\u51fa...\"<\/span>)\r\n    os.Exit(0<\/span>)\r\n}\r\n<\/code><\/pre>\n
            kill<\/span> -USR1 pid \u8f93\u51fa\r\nusr1 user defined signal 1\r\n\r\nkill<\/span> -USR2 pid \r\nusr2 user defined signal 2\r\n\r\nkill<\/span> pid \r\n\u9000\u51fa terminated\r\n\u5f00\u59cb\u9000\u51fa...\r\n\u6267\u884c\u6e05\u7406...\r\n\u7ed3\u675f\u9000\u51fa...\r\n<\/code><\/pre>\n
            \u6267\u884c\u8f93\u51fa\r\ngo run example-3<\/span>.go\r\n\u8fdb\u7a0b\u542f\u52a8...\r\nsum:<\/span> 1<\/span>\r\nsum:<\/span> 2<\/span>\r\nsum:<\/span> 3<\/span>\r\nsum:<\/span> 4<\/span>\r\nsum:<\/span> 5<\/span>\r\nsum:<\/span> 6<\/span>\r\nsum:<\/span> 7<\/span>\r\nsum:<\/span> 8<\/span>\r\nsum:<\/span> 9<\/span>\r\nusr1 user defined<\/span> signal 1<\/span>\r\nsum:<\/span> 10<\/span>\r\nsum:<\/span> 11<\/span>\r\nsum:<\/span> 12<\/span>\r\nsum:<\/span> 13<\/span>\r\nsum:<\/span> 14<\/span>\r\nusr2 user defined<\/span> signal 2<\/span>\r\nsum:<\/span> 15<\/span>\r\nsum:<\/span> 16<\/span>\r\nsum:<\/span> 17<\/span>\r\n\u9000\u51fa terminated\r\n\u5f00\u59cb\u9000\u51fa...\r\n\u6267\u884c\u6e05\u7406...\r\n\u7ed3\u675f\u9000\u51fa...\r\n<\/code><\/pre>\n
            \u53c2\u8003<\/h2>\n
            http:\/\/www.cnblogs.com\/jkkkk\/p\/6180016.html<\/span>\r\nhttp:\/\/blog.csdn.net\/zzhongcy\/article\/details\/50601079<\/span>\r\nhttps:\/\/www.douban.com\/note\/484935836\/<\/span>\r\nhttps:\/\/gist.github.com\/reiki4040\/be3705f307d3cd136e85#file-signal-go-L1<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
            Golang\u4e2d\u7684\u4fe1\u53f7\u5904\u7406 \u4fe1\u53f7\u7c7b\u578b \u4e2a\u5e73<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[122],"class_list":["post-2789","post","type-post","status-publish","format-standard","hentry","tag-06-godocker"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/2789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=2789"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/2789\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=2789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=2789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=2789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}