{"id":14578,"date":"2024-09-02T16:54:36","date_gmt":"2024-09-02T08:54:36","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578"},"modified":"2024-09-11T16:16:18","modified_gmt":"2024-09-11T08:16:18","slug":"runtime-cc","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578","title":{"rendered":"runtime.cc"},"content":{"rendered":"<p>\u6e90\u7801\u4f4d\u7f6e\uff1a<code>art\/runtime\/runtime.cc<\/code><br \/>\n\u5934\u6587\u4ef6\u4f4d\u7f6e\uff1a<code>art\/runtime\/runtime.h<\/code><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_16 counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578\/#%E5%AE%9E%E4%BE%8B%E5%8C%96%E6%96%B9%E6%B3%95\" title=\"\u5b9e\u4f8b\u5316\u65b9\u6cd5\">\u5b9e\u4f8b\u5316\u65b9\u6cd5<\/a><ul class=\"ez-toc-list-level-2\"><li class=\"ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578\/#Current\" title=\"Current\">Current<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578\/#Create\" title=\"Create\">Create<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-1\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578\/#%E5%85%B6%E5%AE%83%E6%96%B9%E6%B3%95\" title=\"\u5176\u5b83\u65b9\u6cd5\">\u5176\u5b83\u65b9\u6cd5<\/a><ul class=\"ez-toc-list-level-2\"><li class=\"ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578\/#Init\" title=\"Init\">Init<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578\/#Start\" title=\"Start\">Start<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14578\/#GetJavaVM\" title=\"GetJavaVM\">GetJavaVM<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"%E5%AE%9E%E4%BE%8B%E5%8C%96%E6%96%B9%E6%B3%95\"><\/span>\u5b9e\u4f8b\u5316\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u5355\u4f8b<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Current\"><\/span>Current<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u83b7\u53d6\u5f53\u524d\u5b9e\u4f8b\uff0c\u5b9e\u73b0\u4e0e\u5b9a\u4e49\u90fd\u5728\u5934\u6587\u4ef6\u4e2d\u3002<\/p>\n<pre><code class=\"language-cpp\"> 229   static Runtime* Current() {\n 230     return instance_;\n 231   }<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Create\"><\/span>Create<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u9759\u6001\u65b9\u6cd5<\/p>\n<pre><code class=\"language-cpp\"> 715 bool Runtime::Create(RuntimeArgumentMap&amp;&amp; runtime_options) {\n 716   \/\/ TODO: acquire a static mutex on Runtime to avoid racing.\n 717   if (Runtime::instance_ != nullptr) {\n 718     return false;\n 719   }\n 720   instance_ = new Runtime;\n 721   Locks::SetClientCallback(IsSafeToCallAbort);\n 722   if (!instance_-&gt;Init(std::move(runtime_options))) {\n 723     \/\/ TODO: Currently deleting the instance will abort the runtime on destruction. Now This will\n 724     \/\/ leak memory, instead. Fix the destructor. b\/19100793.\n 725     \/\/ delete instance_;\n 726     instance_ = nullptr;\n 727     return false;\n 728   }\n 729   return true;\n 730 }\n\n 732 bool Runtime::Create(const RuntimeOptions&amp; raw_options, bool ignore_unrecognized) {\n 733   RuntimeArgumentMap runtime_options;\n 734   return ParseOptions(raw_options, ignore_unrecognized, &amp;runtime_options) &amp;&amp;\n 735       Create(std::move(runtime_options));\n 736 }<\/code><\/pre>\n<p>Create\u65b9\u6cd5\u4f1a\u8c03\u7528Runtime\u5b9e\u4f8b\u7684Init\u65b9\u6cd5<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E5%85%B6%E5%AE%83%E6%96%B9%E6%B3%95\"><\/span>\u5176\u5b83\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"Init\"><\/span>Init<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5b9e\u73b0\u5341\u5206\u590d\u6742\uff0c\u8fd9\u65f6\u5c31\u4e0d\u8be6\u8ff0\u4e86\u3002<\/p>\n<p>1.\u4f1a\u521b\u5efaJavaVMExt\u5b9e\u4f8b<br \/>\n<code>1479   java_vm_ = JavaVMExt::Create(this, runtime_options, &amp;error_msg);<\/code><br \/>\n\u8fd9\u91cc\u624d\u662f\u771f\u6b63\u521b\u5efajava\u865a\u62df\u673a\u7684\u5730\u65b9\uff0c\u8be6\u89c1\uff1a<a href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14654\">http:\/\/xinyiworld.top\/wordpress_it\/?p=14654<\/a><\/p>\n<p>2.\u4f1a\u8c03\u7528  <code>1489   Thread::Startup();<\/code><br \/>\n\u8be6\u89c1\uff1a<a href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14590\">http:\/\/xinyiworld.top\/wordpress_it\/?p=14590<\/a><\/p>\n<p>3.\u521b\u5efaThread\u5b9e\u4f8b\uff0c\u5c01\u88c5\u7ed1\u5b9a\u5f53\u524d\u4e3b\u7ebf\u7a0b\u3002\u540c\u65f6\u4f1a\u521b\u5efaJNIEnvExt\u5b9e\u4f8b\u3002<br \/>\n\u4f1a\u8c03\u7528  <code>1494   Thread* self = Thread::Attach(&quot;main&quot;, false, nullptr, false);<\/code><br \/>\n\u5c06\u5f53\u524d\u7ebf\u7a0b\uff0c\u4e5f\u5c31\u662f\u4e3b\u7ebf\u7a0b\uff0c\u5173\u8054\u5230ART\u8fd0\u884c\u65f6\u53bb\u3002\u8be6\u89c1\uff1a<a href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14590\">http:\/\/xinyiworld.top\/wordpress_it\/?p=14590<\/a><\/p>\n<pre><code class=\"language-cpp\">1046         self-&gt;tlsPtr_.name-&gt;assign(thread_name);\n1047         ::art::SetThreadName(thread_name);<\/code><\/pre>\n<p><code>::art::SetThreadName<\/code>\u89c1<a href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=14712\">http:\/\/xinyiworld.top\/wordpress_it\/?p=14712<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Start\"><\/span>Start<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"GetJavaVM\"><\/span>GetJavaVM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u83b7\u53d6JavaVMExt\u6307\u9488\uff0c\u5b9e\u73b0\u4e0e\u5b9a\u4e49\u90fd\u5728\u5934\u6587\u4ef6\u4e2d\u3002<\/p>\n<pre><code class=\"language-cpp\"> 296   JavaVMExt* GetJavaVM() const {\n 297     return java_vm_.get();\n 298   }<\/code><\/pre>\n<button class=\"simplefavorite-button\" data-postid=\"14578\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>\u6e90\u7801\u4f4d\u7f6e\uff1aart\/runtime\/runtime.cc \u5934\u6587\u4ef6\u4f4d\u7f6e\uff1aart\/runtime\/runt [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1069],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/14578"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14578"}],"version-history":[{"count":27,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/14578\/revisions"}],"predecessor-version":[{"id":14744,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/14578\/revisions\/14744"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14578"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}