{"id":171653,"date":"2024-11-07T04:32:18","date_gmt":"2024-11-06T20:32:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171653\/"},"modified":"2024-11-07T04:32:19","modified_gmt":"2024-11-06T20:32:19","slug":"%e8%bc%95%e9%ac%86%e6%9f%a5%e8%a9%a2ipc%e9%8d%b5%e5%80%bc%e7%9a%84%e6%96%b9%e6%b3%95%e8%a9%b3%e8%a7%a3-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84ipc%e9%8d%b5%e5%80%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171653\/","title":{"rendered":"\u8f15\u9b06\u67e5\u8a62IPC\u9375\u503c\u7684\u65b9\u6cd5\u8a73\u89e3 (\u67e5\u770b\u6578\u64da\u5eab\u7684ipc\u9375\u503c)"},"content":{"rendered":"<h1 id=\"%e8%bc%95%e9%ac%86%e6%9f%a5%e8%a9%a2ipc%e9%8d%b5%e5%80%bc%e7%9a%84%e6%96%b9%e6%b3%95%e8%a9%b3%e8%a7%a3-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84ipc%e9%8d%b5%e5%80%bc-oocEqwZiOu\">\u8f15\u9b06\u67e5\u8a62IPC\u9375\u503c\u7684\u65b9\u6cd5\u8a73\u89e3 (\u67e5\u770b\u6578\u64da\u5eab\u7684ipc\u9375\u503c)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cIPC\uff08Inter-Process Communication\uff09\u9375\u503c\u7684\u67e5\u8a62\u662f\u4e00\u500b\u91cd\u8981\u7684\u4efb\u52d9\u3002IPC\u9375\u503c\u901a\u5e38\u7528\u65bc\u9032\u7a0b\u4e4b\u9593\u7684\u901a\u4fe1\uff0c\u7279\u5225\u662f\u5728\u591a\u9032\u7a0b\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u8f15\u9b06\u67e5\u8a62IPC\u9375\u503c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afipc%e9%8d%b5%e5%80%bc%ef%bc%9f-oocEqwZiOu\">\u4ec0\u9ebc\u662fIPC\u9375\u503c\uff1f<\/h2>\n<p>IPC\u9375\u503c\u662f\u7528\u65bc\u6a19\u8b58\u9032\u7a0b\u9593\u901a\u4fe1\u7684\u552f\u4e00\u6a19\u8b58\u7b26\u3002\u5b83\u5011\u901a\u5e38\u7528\u65bc\u5171\u4eab\u5167\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u4fe1\u865f\u91cf\u7b49IPC\u6a5f\u5236\u4e2d\u3002\u9019\u4e9b\u9375\u503c\u5141\u8a31\u4e0d\u540c\u7684\u9032\u7a0b\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\uff0c\u5f9e\u800c\u5be6\u73fe\u6578\u64da\u7684\u4ea4\u63db\u548c\u5354\u8abf\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2ipc%e9%8d%b5%e5%80%bc%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-oocEqwZiOu\">\u67e5\u8a62IPC\u9375\u503c\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u958b\u767c\u548c\u7dad\u8b77\u591a\u9032\u7a0b\u61c9\u7528\u7a0b\u5e8f\u6642\uff0c\u67e5\u8a62IPC\u9375\u503c\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u78ba\u4fdd\u9032\u7a0b\u4e4b\u9593\u7684\u901a\u4fe1\u6b63\u5e38\u904b\u884c\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u6392\u67e5\u554f\u984c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u500b\u9032\u7a0b\u7121\u6cd5\u8a2a\u554f\u5171\u4eab\u5167\u5b58\uff0c\u67e5\u8a62IPC\u9375\u503c\u53ef\u4ee5\u5e6b\u52a9\u78ba\u5b9a\u554f\u984c\u7684\u6839\u6e90\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2ipc%e9%8d%b5%e5%80%bc%e7%9a%84%e6%96%b9%e6%b3%95-oocEqwZiOu\">\u67e5\u8a62IPC\u9375\u503c\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7-oocEqwZiOu\">\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177<\/h3>\n<p>\u5728Linux\u7cfb\u7d71\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\u4f86\u67e5\u8a62IPC\u9375\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>ipcs<\/code>\uff1a\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u5217\u51fa\u7cfb\u7d71\u4e2d\u7684\u6240\u6709IPC\u8cc7\u6e90\uff0c\u5305\u62ec\u5171\u4eab\u5167\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u4fe1\u865f\u91cf\u3002<\/li>\n<li><code>ipcrm<\/code>\uff1a\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u522a\u9664IPC\u8cc7\u6e90\uff0c\u901a\u904eIPC\u9375\u503c\u4f86\u6307\u5b9a\u8981\u522a\u9664\u7684\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u7576\u524d\u7cfb\u7d71\u4e2d\u7684\u6240\u6709IPC\u8cc7\u6e90\uff1a<\/p>\n<pre><code>ipcs -m<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8c%e8%aa%9e%e8%a8%80%e6%9f%a5%e8%a9%a2ipc%e9%8d%b5%e5%80%bc-oocEqwZiOu\">\u4f7f\u7528C\u8a9e\u8a00\u67e5\u8a62IPC\u9375\u503c<\/h3>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u958b\u767cC\u8a9e\u8a00\u61c9\u7528\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u7247\u6bb5\u4f86\u67e5\u8a62IPC\u9375\u503c\uff1a<\/p>\n<pre><code>\n#include &lt;sys\/ipc.h&gt;\n#include &lt;sys\/shm.h&gt;\n#include &lt;stdio.h&gt;\n\nint main() {\n    key_t key = ftok(\"path\/to\/file\", 'R'); \/\/ \u751f\u6210IPC\u9375\u503c\n    if (key == -1) {\n        perror(\"ftok\");\n        return 1;\n    }\n    \n    int shmid = shmget(key, 1024, 0666|IPC_CREAT); \/\/ \u7372\u53d6\u5171\u4eab\u5167\u5b58ID\n    if (shmid == -1) {\n        perror(\"shmget\");\n        return 1;\n    }\n    \n    printf(\"IPC\u9375\u503c: %dn\", key);\n    return 0;\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528<code>ftok<\/code>\u51fd\u6578\u751f\u6210\u4e00\u500bIPC\u9375\u503c\uff0c\u7136\u5f8c\u4f7f\u7528<code>shmget<\/code>\u51fd\u6578\u7372\u53d6\u5171\u4eab\u5167\u5b58\u7684ID\u3002\u9019\u6a23\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u8f15\u9b06\u67e5\u8a62\u5230IPC\u9375\u503c\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8python%e6%9f%a5%e8%a9%a2ipc%e9%8d%b5%e5%80%bc-oocEqwZiOu\">\u4f7f\u7528Python\u67e5\u8a62IPC\u9375\u503c<\/h3>\n<p>\u5982\u679c\u60a8\u66f4\u559c\u6b61\u4f7f\u7528Python\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u67e5\u8a62IPC\u9375\u503c\uff1a<\/p>\n<pre><code>\nimport os\nimport sysv_ipc\n\nkey = sysv_ipc.ftok('path\/to\/file', ord('R')) # \u751f\u6210IPC\u9375\u503c\nprint(\"IPC\u9375\u503c:\", key)\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528<code>sysv_ipc<\/code>\u5eab\u4f86\u751f\u6210IPC\u9375\u503c\uff0c\u4e26\u5c07\u5176\u6253\u5370\u51fa\u4f86\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oocEqwZiOu\">\u7e3d\u7d50<\/h2>\n<p>\u67e5\u8a62IPC\u9375\u503c\u662f\u591a\u9032\u7a0b\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u6b65\u9a5f\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u9084\u662f\u7de8\u7a0b\u8a9e\u8a00\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u8a62IPC\u9375\u503c\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u9032\u7a0b\u9593\u7684\u901a\u4fe1\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u8cc7\u6e90\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5c07\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5171\u4eab\u5167\u5b58\u9084\u662f\u5176\u4ed6IPC\u6a5f\u5236\uff0c\u6211\u5011\u7684\u670d\u52d9\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f15\u9b06\u67e5\u8a62IPC\u9375\u503c\u7684\u65b9\u6cd5\u8a73\u89e3\uff0c\u6559\u4f60\u5982\u4f55\u5feb\u901f\u67e5\u770b\u6578\u64da\u5eab\u4e2d\u7684IPC\u9375\u503c\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-171653","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171653","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=171653"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171653\/revisions"}],"predecessor-version":[{"id":171654,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171653\/revisions\/171654"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}