{"id":48472,"date":"2024-12-02T13:43:00","date_gmt":"2024-12-02T05:43:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48472\/"},"modified":"2024-12-02T13:43:00","modified_gmt":"2024-12-02T05:43:00","slug":"%e4%bd%bf%e7%94%a8-pcntl_async_signals-%e5%92%8c-pcntl_wait-%e6%97%b6%ef%bc%8c%e4%bf%a1%e5%8f%b7%e5%9b%9e%e8%b0%83%e5%87%bd%e6%95%b0%e4%b8%ba%e4%bd%95%e6%97%a0%e6%b3%95%e8%a7%a6%e5%8f%91","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48472\/","title":{"rendered":"## \u4f7f\u7528 pcntl_async_signals \u548c pcntl_wait \u65f6\uff0c\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1?"},"content":{"rendered":"

<\/b> <\/p>\n

## \u4f7f\u7528 pcntl_async_signals \u548c pcntl_wait \u65f6\uff0c\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1?<\/h1>\n

\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u300a## \u4f7f\u7528 pcntl_async_signals \u548c pcntl_wait \u65f6\uff0c\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1?\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n

\"##<\/p>\n

pcntl_async_signals \u548c pcntl_wait \u7684\u534f\u540c\u4f7f\u7528<\/strong><\/p>\n

\u95ee\u9898\u80cc\u666f<\/strong><\/p>\n

\u5728 php \u4e2d\uff0cpcntl_async_signals(true) \u8bbe\u7f6e\u5f02\u6b65\u4fe1\u53f7\u5904\u7406\uff0c\u5141\u8bb8\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u5728\u4fe1\u53f7\u5230\u8fbe\u65f6\u88ab\u8c03\u7528\uff0c\u800c pcntl_wait($status) \u901a\u5e38\u7528\u4e8e\u5728\u7236\u8fdb\u7a0b\u4e2d\u963b\u585e\u7b49\u5f85\u5b50\u8fdb\u7a0b\u7ec8\u6b62\u3002<\/p>\n

\u95ee\u9898<\/strong><\/p>\n

\u4f7f\u7528 pcntl_async_signals(true) \u542f\u7528\u5f02\u6b65\u4fe1\u53f7\u5904\u7406\u540e\uff0c\u53d1\u73b0 pcntl_wait($status) \u963b\u585e\u7236\u8fdb\u7a0b\u65f6\u65e0\u6cd5\u89e6\u53d1\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u7684\u6267\u884c\u3002<\/p>\n

\u539f\u56e0<\/strong><\/p>\n

\u5728\u4f7f\u7528 pcntl_wait($status) \u963b\u585e\u7236\u8fdb\u7a0b\u65f6\uff0cpcntl_signal \u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u9ed8\u8ba4\u4e3a true\u3002\u8fd9\u610f\u5473\u7740\u4fe1\u53f7\u5230\u8fbe\u65f6\u4e0d\u4f1a\u4e2d\u65ad\u7236\u8fdb\u7a0b\u7684\u6267\u884c\uff0c\u4e5f\u4e0d\u4f1a\u8c03\u7528\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n

\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u89e3\u51b3\u6b64\u95ee\u9898\uff1a<\/p>\n

    \n
  1. \u4f7f\u7528\u5faa\u73af\u963b\u585e\u7236\u8fdb\u7a0b<\/strong><\/li>\n<\/ol>\n

    \u4f7f\u7528\u5faa\u73af\uff08\u5982 while (!$this->shouldstop) { usleep(1); }\uff09\u963b\u585e\u7236\u8fdb\u7a0b\uff0c\u800c\u4e0d\u662f\u4f7f\u7528 pcntl_wait($status)\u3002\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8 usleep() \u89e6\u53d1\u65f6\u949f\u6ef4\u7b54\uff08tick\uff09\uff0c\u4ece\u800c\u63d0\u4f9b\u4fe1\u53f7\u56de\u8c03\u80fd\u529b\u3002<\/p>\n

      \n
    1. \u5728 pcntl_signal \u4e2d\u7981\u7528\u4e2d\u65ad<\/strong><\/li>\n<\/ol>\n

      \u5c06 pcntl_signal \u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u8bbe\u7f6e\u4e3a false\u3002\u8fd9\u5c06\u5141\u8bb8\u4fe1\u53f7\u4e2d\u65ad\u7236\u8fdb\u7a0b\u7684\u6267\u884c\u5e76\u8c03\u7528\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u3002<\/p>\n

      \u793a\u4f8b<\/strong><\/p>\n

      \u4ee5\u4e0b\u793a\u4f8b\u4fee\u6539\u4e86 pcntl_signal \u7684\u8c03\u7528\uff0c\u4ee5\u7981\u7528\u4e2d\u65ad\uff1a<\/p>\n

      pcntl_signal(SIGTERM, [$this, 'masterTermHandler'], false);<\/pre>\n
      \u66f4\u6539\u540e\uff0cpcntl_wait($status) \u5c06\u963b\u585e\u7236\u8fdb\u7a0b\uff0c\u5e76\u4e14\u5f53 sigterm \u4fe1\u53f7\u5230\u8fbe\u65f6\uff0cmastertermhandler \u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u4ecd\u5c06\u88ab\u8c03\u7528\u3002<\/p>\n
      \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a## \u4f7f\u7528 pcntl_async_signals \u548c pcntl_wait \u65f6\uff0c\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1?\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      ## \u4f7f\u7528 pcntl_async_signals \u548c pcntl_wait \u65f6\uff0c\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1? \u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u300a## \u4f7f\u7528 pcntl_async_signals \u548c pcntl_wait \u65f6\uff0c\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1?\u300b\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a\u6587\u7ae0\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~ pcntl_async_signals \u548c pcntl_wait \u7684\u534f\u540c\u4f7f\u7528 \u95ee\u9898\u80cc\u666f \u5728 php \u4e2d\uff0cpcntl_async_signals(true) \u8bbe\u7f6e\u5f02\u6b65\u4fe1\u53f7\u5904\u7406\uff0c\u5141\u8bb8\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u5728\u4fe1\u53f7\u5230\u8fbe\u65f6\u88ab\u8c03\u7528\uff0c\u800c pcntl_wait($status) \u901a\u5e38\u7528\u4e8e\u5728\u7236\u8fdb\u7a0b\u4e2d\u963b\u585e\u7b49\u5f85\u5b50\u8fdb\u7a0b\u7ec8\u6b62\u3002 \u95ee\u9898 \u4f7f\u7528 pcntl_async_signals(true) \u542f\u7528\u5f02\u6b65\u4fe1\u53f7\u5904\u7406\u540e\uff0c\u53d1\u73b0 pcntl_wait($status) \u963b\u585e\u7236\u8fdb\u7a0b\u65f6\u65e0\u6cd5\u89e6\u53d1\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u7684\u6267\u884c\u3002 \u539f\u56e0 \u5728\u4f7f\u7528 pcntl_wait($status) \u963b\u585e\u7236\u8fdb\u7a0b\u65f6\uff0cpcntl_signal \u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u9ed8\u8ba4\u4e3a true\u3002\u8fd9\u610f\u5473\u7740\u4fe1\u53f7\u5230\u8fbe\u65f6\u4e0d\u4f1a\u4e2d\u65ad\u7236\u8fdb\u7a0b\u7684\u6267\u884c\uff0c\u4e5f\u4e0d\u4f1a\u8c03\u7528\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u3002 \u89e3\u51b3\u65b9\u6cd5 \u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u89e3\u51b3\u6b64\u95ee\u9898\uff1a \u4f7f\u7528\u5faa\u73af\u963b\u585e\u7236\u8fdb\u7a0b \u4f7f\u7528\u5faa\u73af\uff08\u5982 while (!$this->shouldstop) { usleep(1); }\uff09\u963b\u585e\u7236\u8fdb\u7a0b\uff0c\u800c\u4e0d\u662f\u4f7f\u7528 pcntl_wait($status)\u3002\u8fd9\u79cd\u65b9\u6cd5\u5141\u8bb8 usleep() \u89e6\u53d1\u65f6\u949f\u6ef4\u7b54\uff08tick\uff09\uff0c\u4ece\u800c\u63d0\u4f9b\u4fe1\u53f7\u56de\u8c03\u80fd\u529b\u3002 \u5728 pcntl_signal \u4e2d\u7981\u7528\u4e2d\u65ad \u5c06 pcntl_signal \u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u8bbe\u7f6e\u4e3a false\u3002\u8fd9\u5c06\u5141\u8bb8\u4fe1\u53f7\u4e2d\u65ad\u7236\u8fdb\u7a0b\u7684\u6267\u884c\u5e76\u8c03\u7528\u4fe1\u53f7\u56de\u8c03\u51fd\u6570\u3002 \u793a\u4f8b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48472","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48472"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48472\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}