{"id":300,"date":"2025-09-05T21:47:54","date_gmt":"2025-09-05T13:47:54","guid":{"rendered":"http:\/\/www.tgwttt.xyz\/?p=300"},"modified":"2025-11-24T16:37:31","modified_gmt":"2025-11-24T08:37:31","slug":"%e5%9f%ba%e4%ba%8eposix%e7%ba%bf%e7%a8%8b%e5%ba%93%e5%b0%81%e8%a3%85%e7%ba%bf%e7%a8%8b%e5%ba%93","status":"publish","type":"post","link":"https:\/\/www.tgwttt.xyz\/?p=300","title":{"rendered":"\u57fa\u4e8ePOSIX\u7ebf\u7a0b\u5e93\u5c01\u88c5\u7ebf\u7a0b\u5e93"},"content":{"rendered":"\n<p>\u4ee3\u7801\u4ed3\u5e93\u5730\u5740\uff1a<a href=\"https:\/\/gitee.com\/tgwTTT\/linux-learning-dai\/tree\/master\/TestThread3\">https:\/\/gitee.com\/tgwTTT\/linux-learning-dai\/tree\/master\/TestThread3<\/a><\/p>\n\n\n\n<p>\u5b66\u4e60\u672c\u6587\u5efa\u8bae\u53c2\u8003\u4e0a\u4e00\u7bc7\u6587\u7ae0\uff1a<a href=\"http:\/\/www.tgwttt.xyz\/?p=289\">http:\/\/www.tgwttt.xyz\/?p=289<\/a><\/p>\n\n\n\n<p>       \u73b0\u4ee3C++\u5f00\u53d1\u4e2d\uff0c\u7ebf\u7a0b\u7684\u4f7f\u7528\u8d8a\u6765\u8d8a\u666e\u904d\u3002\u867d\u7136C++11\u53ca\u4ee5\u540e\u6807\u51c6\u63d0\u4f9b\u4e86<code>std::thread<\/code>\uff0c\u4f46\u5728\u4e00\u4e9b\u9879\u76ee\u4e2d\uff0c\u4ecd\u7136\u9700\u8981\u76f4\u63a5\u4f7f\u7528POSIX\u7ebf\u7a0b\uff08<code>pthread<\/code>\uff09\u8fdb\u884c\u66f4\u7ec6\u81f4\u7684\u63a7\u5236\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e2a\u57fa\u4e8e<code>pthread<\/code>\u7684\u7ebf\u7a0b\u5c01\u88c5\u7c7b\uff0c\u4e5f\u662f\u5bf9POSIX\u7ebf\u7a0b\u5e93\u7684\u57fa\u672c\u5e94\u7528\u5de9\u56fa<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u8bbe\u8ba1\u76ee\u6807<\/h3>\n\n\n\n<p>\u6211\u4eec\u5e0c\u671b\u5b9e\u73b0\u4e00\u4e2a\u6a21\u677f\u5316\u7684\u7ebf\u7a0b\u7c7b\uff0c\u80fd\u591f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u652f\u6301\u4f20\u9012\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e\u7ed9\u7ebf\u7a0b\u51fd\u6570<\/li>\n\n\n\n<li>\u652f\u6301\u7ebf\u7a0b\u5206\u79bb\uff08detach\uff09\u4e0e\u7b49\u5f85\uff08join\uff09<\/li>\n\n\n\n<li>\u652f\u6301\u7ebf\u7a0b\u7684\u542f\u52a8\u4e0e\u505c\u6b62<\/li>\n\n\n\n<li>\u4fbf\u4e8e\u6269\u5c55\u548c\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7c7b\u5b9a\u4e49\u4e0e\u6210\u5458\u53d8\u91cf<\/h3>\n\n\n\n<p>\u9996\u5148\u6765\u770b\u7c7b\u7684\u57fa\u672c\u7ed3\u6784\u3002\u6211\u4eec\u4f7f\u7528\u6a21\u677f\u7c7b\uff0c\u652f\u6301\u4f20\u9012\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>namespace ThreadModlue {\n    template<typename T>\n    class Thread {\n        using func_t = std::function<void(T)>;\n        \/\/ ...\u6210\u5458\u53d8\u91cf\u5b9a\u4e49...\n    };\n}<\/code><\/pre>\n\n\n\n<p>\u4e3b\u8981\u6210\u5458\u53d8\u91cf\u5305\u62ec\uff1a<\/p>\n\n\n\n<p>pthread_t tid\uff1a\u7ebf\u7a0bID<br>std::string _name\uff1a\u7ebf\u7a0b\u540d\u79f0<br>bool _isdetach\uff1a\u662f\u5426\u5206\u79bb<br>bool isrunning\uff1a\u662f\u5426\u6b63\u5728\u8fd0\u884c<br>void* res\uff1a\u7ebf\u7a0b\u8fd4\u56de\u503c<br>func_t _func\uff1a\u7ebf\u7a0b\u6267\u884c\u7684\u56de\u8c03\u51fd\u6570<br>T _data\uff1a\u4f20\u9012\u7ed9\u7ebf\u7a0b\u7684\u6570\u636e<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u6784\u9020\u51fd\u6570\u4e0e\u547d\u540d<\/h3>\n\n\n\n<p>\u6bcf\u4e2a\u7ebf\u7a0b\u5bf9\u8c61\u90fd\u4f1a\u81ea\u52a8\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u540d\u79f0\uff0c\u4fbf\u4e8e\u8c03\u8bd5\u548c\u7ba1\u7406\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Thread(func_t func, const T& t)\n    : tid(0), _isdetach(false), isrunning(false), _func(func), _data(t) {\n    _name = \"Thread\" + std::to_string(number++);\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u7ebf\u7a0b\u542f\u52a8\u4e0e\u6267\u884c<\/h3>\n\n\n\n<p>\u7ebf\u7a0b\u7684\u542f\u52a8\u901a\u8fc7<code>Start()<\/code>\u65b9\u6cd5\u5b9e\u73b0\uff0c\u5185\u90e8\u8c03\u7528<a href=\"vscode-file:\/\/vscode-app\/c:\/Users\/%E7%94%B0%E5%B9%BF%E4%BC%9F\/AppData\/Local\/Programs\/Microsoft%20VS%20Code\/resources\/app\/out\/vs\/code\/electron-browser\/workbench\/workbench.html\">pthread_create<\/a>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void Start() {\n    if (isrunning) return;\n    int n = pthread_create(&tid, nullptr, Routine, this);\n    if (n > 0) {\n        std::cerr << \"Thread create failed \" << strerror(n) << std::endl;\n        return;\n    }\n    EnableRunning();\n}<\/code><\/pre>\n\n\n\n<p>\u7ebf\u7a0b\u7684\u5b9e\u9645\u6267\u884c\u903b\u8f91\u5728<a href=\"vscode-file:\/\/vscode-app\/c:\/Users\/%E7%94%B0%E5%B9%BF%E4%BC%9F\/AppData\/Local\/Programs\/Microsoft%20VS%20Code\/resources\/app\/out\/vs\/code\/electron-browser\/workbench\/workbench.html\">Routine<\/a>\u9759\u6001\u65b9\u6cd5\u4e2d\u5b8c\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>static void* Routine(void* args) {\n    Thread<T>* self = static_cast<Thread<T>*>(args);\n    if (self->_isdetach)\n        self->Detach();\n    self->_func(self->_data); \/\/ \u56de\u8c03\u51fd\u6570\n    return nullptr;\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u5206\u79bb\u4e0e\u7b49\u5f85<\/h3>\n\n\n\n<p>\u7ebf\u7a0b\u53ef\u4ee5\u9009\u62e9\u5206\u79bb\uff08detach\uff09\u6216\u7b49\u5f85\uff08join\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5206\u79bb<\/strong>\uff1a\u7ebf\u7a0b\u8fd0\u884c\u7ed3\u675f\u540e\u81ea\u52a8\u91ca\u653e\u8d44\u6e90\uff0c\u4e0d\u80fd\u518d\u901a\u8fc7<code>join<\/code>\u7b49\u5f85<\/li>\n\n\n\n<li><strong>\u7b49\u5f85<\/strong>\uff1a\u4e3b\u7ebf\u7a0b\u53ef\u4ee5\u901a\u8fc7<code>join<\/code>\u7b49\u5f85\u5b50\u7ebf\u7a0b\u7ed3\u675f<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>void Detach() {\n    if (!_isdetach) {\n        if (isrunning)\n            pthread_detach(tid);\n        EnableDetach();\n    }\n}\n\nvoid Join() {\n    if (_isdetach) {\n        std::cerr << \"Thread is detached, can't join\" << std::endl;\n        return;\n    }\n    int n = pthread_join(tid, &#038;res);\n    if (n > 0) {\n        std::cerr << \"Thread join failed \" << strerror(n) << std::endl;\n    }\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u505c\u6b62\u7ebf\u7a0b<\/h3>\n\n\n\n<p>\u901a\u8fc7<a href=\"vscode-file:\/\/vscode-app\/c:\/Users\/%E7%94%B0%E5%B9%BF%E4%BC%9F\/AppData\/Local\/Programs\/Microsoft%20VS%20Code\/resources\/app\/out\/vs\/code\/electron-browser\/workbench\/workbench.html\">Stop()<\/a>\u65b9\u6cd5\u53ef\u4ee5\u5c1d\u8bd5\u53d6\u6d88\u7ebf\u7a0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void Stop() {\n    if (isrunning) {\n        int n = pthread_cancel(tid);\n        if (n > 0) {\n            std::cerr << \"Thread cancel failed \" << strerror(n) << std::endl;\n        } else {\n            isrunning = false;\n            std::cout << _name << \" stopped\" << std::endl;\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<p>\u4eca\u5929\u7684\u66f4\u65b0\u5c31\u5230\u8fd9\u91cc\uff0c\u5982\u6709\u9519\u8bef\u6b22\u8fce\u8bc4\u8bba\u533a\u6307\u51fa<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee3\u7801\u4ed3\u5e93\u5730\u5740\uff1ahttps:\/\/gitee.com\/tgwTTT\/linux-learning-dai\/tree&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-300","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=300"}],"version-history":[{"count":4,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions"}],"predecessor-version":[{"id":843,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=\/wp\/v2\/posts\/300\/revisions\/843"}],"wp:attachment":[{"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgwttt.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}