{"id":204805,"date":"2025-05-29T09:41:38","date_gmt":"2025-05-29T01:41:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204805\/"},"modified":"2025-05-29T09:41:38","modified_gmt":"2025-05-29T01:41:38","slug":"python-%e8%bf%9b%e7%a8%8b%e9%97%b4%e9%80%9a%e4%bf%a1%e4%bd%bf%e7%94%a8-pipe-%e5%8d%b4%e6%94%b6%e4%b8%8d%e5%88%b0%e6%b6%88%e6%81%af%ef%bc%9f%e7%88%b6%e8%bf%9b%e7%a8%8b%e6%8e%a5%e6%94%b6%e4%b8%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204805\/","title":{"rendered":"Python \u8fdb\u7a0b\u95f4\u901a\u4fe1\u4f7f\u7528 Pipe \u5374\u6536\u4e0d\u5230\u6d88\u606f\uff1f\u7236\u8fdb\u7a0b\u63a5\u6536\u4e0d\u5230\u5b50\u8fdb\u7a0b\u53d1\u9001\u7684\u6570\u636e\uff0c\u95ee\u9898\u51fa\u5728\u54ea\u91cc\uff1f"},"content":{"rendered":"

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

Python \u8fdb\u7a0b\u95f4\u901a\u4fe1\u4f7f\u7528 Pipe \u5374\u6536\u4e0d\u5230\u6d88\u606f\uff1f\u7236\u8fdb\u7a0b\u63a5\u6536\u4e0d\u5230\u5b50\u8fdb\u7a0b\u53d1\u9001\u7684\u6570\u636e\uff0c\u95ee\u9898\u51fa\u5728\u54ea\u91cc\uff1f<\/h1>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6587\u7ae0<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n

<\/p>\n

python \u8fdb\u7a0b\u95f4\u901a\u4fe1\u4f7f\u7528 pipe \u5374\u6536\u4e0d\u5230\u6d88\u606f\uff1f<\/strong><\/p>\n

\u5728\u5b66\u4e60 python \u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1\u65f6\uff0c\u4f7f\u7528 pipe \u6765\u4f20\u9012\u6570\u636e\u9047\u5230\u95ee\u9898\uff1a\u7236\u8fdb\u7a0b\u65e0\u6cd5\u6536\u5230\u5b50\u8fdb\u7a0b\u53d1\u9001\u7684\u6d88\u606f\u3002\u8fd9\u53ef\u80fd\u662f\u56e0\u4e3a\u53c2\u6570\u4f20\u9012\u9519\u8bef\u9020\u6210\u7684\u3002<\/p>\n

\u5982\u4e0b\u4ee3\u7801\u6240\u793a\uff1a<\/p>\n

import os\nimport time\nfrom multiprocessing import pipe, process\n\nfd1, fd2 = pipe()\n\n\ndef fun(name):\n    time.sleep(3)\n    # \u5411\u7ba1\u9053\u5199\u5165\u5185\u5bb9\n    fd1.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,))\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
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5b50\u8fdb\u7a0b fun \u51fd\u6570\u5c1d\u8bd5\u5c06\u4e00\u4e2a\u5b57\u5178\u53d1\u9001\u5230\u7236\u8fdb\u7a0b\uff0c\u4f46\u6ca1\u6709\u4f20\u9012\u7ba1\u9053\u63cf\u8ff0\u7b26 fd1\u3002\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u6b63\u786e\u65b9\u6cd5\u662f\u5c06\u7ba1\u9053\u63cf\u8ff0\u7b26\u4f5c\u4e3a fun \u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u9012\uff1a<\/p>\n
def fun(name, fd):\n    time.sleep(3)\n    # \u5411\u7ba1\u9053\u5199\u5165\u5185\u5bb9\n    fd.send({name: os.getpid()})<\/pre>\n
if __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()<\/pre>\n
\u8fd9\u6837\u4fee\u6539\u540e\uff0c\u7236\u8fdb\u7a0b\u5c31\u80fd\u6b63\u786e\u5730\u4ece\u5b50\u8fdb\u7a0b\u63a5\u6536\u6570\u636e\u4e86\u3002<\/p>\n
\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aPython \u8fdb\u7a0b\u95f4\u901a\u4fe1\u4f7f\u7528 Pipe \u5374\u6536\u4e0d\u5230\u6d88\u606f\uff1f\u7236\u8fdb\u7a0b\u63a5\u6536\u4e0d\u5230\u5b50\u8fdb\u7a0b\u53d1\u9001\u7684\u6570\u636e\uff0c\u95ee\u9898\u51fa\u5728\u54ea\u91cc\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Python \u8fdb\u7a0b\u95f4\u901a\u4fe1\u4f7f\u7528 P...<\/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-204805","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204805","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=204805"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204805\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}