{"id":204695,"date":"2025-05-29T14:35:06","date_gmt":"2025-05-29T06:35:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204695\/"},"modified":"2025-05-29T14:35:06","modified_gmt":"2025-05-29T06:35:06","slug":"python-%e8%bf%9b%e7%a8%8b%e9%97%b4%e9%80%9a%e4%bf%a1-pipe-%e6%97%a0%e6%b3%95%e6%8e%a5%e6%94%b6%e6%b6%88%e6%81%af%ef%bc%9a%e5%ad%90%e8%bf%9b%e7%a8%8b%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e7%ae%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204695\/","title":{"rendered":"Python \u8fdb\u7a0b\u95f4\u901a\u4fe1 Pipe \u65e0\u6cd5\u63a5\u6536\u6d88\u606f\uff1a\u5b50\u8fdb\u7a0b\u5982\u4f55\u83b7\u53d6\u7ba1\u9053 fd1\uff1f"},"content":{"rendered":"

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

Python \u8fdb\u7a0b\u95f4\u901a\u4fe1 Pipe \u65e0\u6cd5\u63a5\u6536\u6d88\u606f\uff1a\u5b50\u8fdb\u7a0b\u5982\u4f55\u83b7\u53d6\u7ba1\u9053 fd1\uff1f<\/h1>\n

\u76ee\u524d\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300aPython \u8fdb\u7a0b\u95f4\u901a\u4fe1 Pipe \u65e0\u6cd5\u63a5\u6536\u6d88\u606f\uff1a\u5b50\u8fdb\u7a0b\u5982\u4f55\u83b7\u53d6\u7ba1\u9053 fd1\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6587\u7ae0<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

<\/p>\n

python \u8fdb\u7a0b\u95f4\u901a\u4fe1 pipe \u65e0\u6cd5\u63a5\u6536\u6d88\u606f<\/strong><\/p>\n

\u5728 python \u4e2d\u4f7f\u7528\u7ba1\u9053 pipe \u8fdb\u884c\u8fdb\u7a0b\u95f4\u901a\u4fe1\uff0c\u5982\u679c\u7236\u8fdb\u7a0b\u65e0\u6cd5\u6536\u5230\u6d88\u606f\uff0c\u5f88\u53ef\u80fd\u662f\u56e0\u4e3a\u6ca1\u6709\u5c06\u7ba1\u9053 fd1 \u4f20\u9012\u7ed9\u5b50\u8fdb\u7a0b\u3002<\/p>\n

\u95ee\u9898\u5206\u6790<\/strong><\/p>\n

\u7ed9\u51fa\u7684\u4ee3\u7801\u4e2d\uff0c\u5b50\u8fdb\u7a0b\u6ca1\u6709\u6536\u5230\u7ba1\u9053 fd1\u3002\u5b83\u53ea\u63a5\u6536\u4e86\u540d\u79f0\u4e3a i \u7684\u53c2\u6570\uff1a<\/p>\n

p = process(target=fun, args=(i,))<\/pre>\n
\u4e3a\u4e86\u4f7f\u5b50\u8fdb\u7a0b\u80fd\u591f\u5411\u7ba1\u9053\u53d1\u9001\u6d88\u606f\uff0c\u9700\u8981\u5c06\u7ba1\u9053 fd1 \u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5b83\uff1a<\/p>\n
p = process(target=fun, args=(i, fd1))<\/pre>\n
\u4fee\u6539\u540e\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
import os\nimport time\nfrom multiprocessing import Pipe, Process\n\nfd1, fd2 = Pipe()\n\n\ndef fun(name, fd):\n    time.sleep(3)\n    # \u5411\u7ba1\u9053\u5199\u5165\u5185\u5bb9\n    fd.send({name: os.getpid()})\n\n\nif __name__ == \"__main__\":\n\n    jobs = []\n    for i in range(5):\n        p = Process(target=fun, args=(i, fd1))\n        jobs.append(p)\n        p.start()\n    for i in range(5):\n        # \u8bfb\u7ba1\u9053\n        data = fd2.recv()\n        print(data)\n    for i in jobs:\n        i.join()<\/pre>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Python \u8fdb\u7a0b\u95f4\u901a\u4fe1 Pip...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204695","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204695"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204695\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}