{"id":13765,"date":"2024-06-14T13:47:02","date_gmt":"2024-06-14T05:47:02","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13765"},"modified":"2024-09-29T15:18:06","modified_gmt":"2024-09-29T07:18:06","slug":"zygoteapp_process%e8%bf%9b%e7%a8%8b","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13765","title":{"rendered":"zygote(app_process)\u8fdb\u7a0b"},"content":{"rendered":"<p><a href=\"https:\/\/blog.csdn.net\/cw102055234\/article\/details\/104988604\/\">https:\/\/blog.csdn.net\/cw102055234\/article\/details\/104988604\/<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/qingdaohaishanhu\/article\/details\/87528613\">https:\/\/blog.csdn.net\/qingdaohaishanhu\/article\/details\/87528613<\/a><\/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-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13765\/#%E5%8A%9F%E8%83%BD\" title=\"\u529f\u80fd\">\u529f\u80fd<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13765\/#%E7%BC%96%E8%AF%91\" title=\"\u7f16\u8bd1\">\u7f16\u8bd1<\/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=13765\/#main%E5%87%BD%E6%95%B0\" title=\"main\u51fd\u6570\">main\u51fd\u6570<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13765\/#zygote%E9%87%8D%E5%90%AF%E7%9A%84%E5%87%A0%E7%A7%8D%E6%83%85%E5%86%B5\" title=\"zygote\u91cd\u542f\u7684\u51e0\u79cd\u60c5\u51b5\">zygote\u91cd\u542f\u7684\u51e0\u79cd\u60c5\u51b5<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E5%8A%9F%E8%83%BD\"><\/span>\u529f\u80fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\u542f\u52a8SystemServer.java<br \/>\n1)\u8c03\u7528AndroidRuntime.cpp\u7c7b\uff0c\u521b\u5efaAndroid\u865a\u62df\u673a<br \/>\n2)\u8c03\u7528Android\u865a\u62df\u673aenv\u6307\u9488\uff0c\u53cd\u5c04\u6267\u884cZygoteInit.java\u7684main\u65b9\u6cd5(\u5df2\u7ecf\u4eceC\u5c42\u8fc7\u6e21\u5230\u4e86Java\u5c42)<br \/>\n3)ZygoteInit.java\u521b\u5efasystem_server\u5b50\u8fdb\u7a0b\uff0c\u5e76\u901a\u8fc7\u53cd\u5c04\u83b7\u53d6SystemServer.java\u7c7b\u7684main\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E7%BC%96%E8%AF%91\"><\/span>\u7f16\u8bd1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6e90\u7801\u4f4d\u7f6e\uff1a<code>frameworks\/base\/cmds\/app_process<\/code><br \/>\nrc\u914d\u7f6e\u6587\u4ef6\u4f4d\u7f6e\uff1a<code>system\/core\/rootdir\/<\/code><\/p>\n<h2><span class=\"ez-toc-section\" id=\"main%E5%87%BD%E6%95%B0\"><\/span>main\u51fd\u6570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4f4d\u7f6e\uff1a<code>frameworks\/base\/cmds\/app_process\/app_main.cpp<\/code><\/p>\n<p>1.\u5b9a\u4e49AppRuntime\u7c7b\uff0c\u7ee7\u627f\u81eaAndroidRuntime\u7c7b\uff0c<code>frameworks\/base\/core\/jni\/AndroidRuntime.cpp<\/code>\u3002<br \/>\n2.\u89e3\u6790\u53c2\u6570\uff0c\u662f\u5426\u662fzygote\uff0c\u662f\u5426\u5f00\u542fSystem Server.<br \/>\n3.\u8c03\u7528AndroidRuntime\u7684start\u51fd\u6570<\/p>\n<pre><code class=\"language-c\">357     if (zygote) {\n358         runtime.start(&quot;com.android.internal.os.ZygoteInit&quot;, args, zygote);\n359     } else if (className) {\n360         runtime.start(&quot;com.android.internal.os.RuntimeInit&quot;, args, zygote);\n361     } else {\n362         fprintf(stderr, &quot;Error: no class name or --zygote supplied.\\n&quot;);\n363         app_usage();\n364         LOG_ALWAYS_FATAL(&quot;app_process: no class name or --zygote supplied.&quot;);\n365     }<\/code><\/pre>\n<p>runtime.start\u7684\u5b9e\u73b0\u89c1<a href=\"http:\/\/xinyiworld.top\/wordpress_it\/?p=13945\">http:\/\/xinyiworld.top\/wordpress_it\/?p=13945<\/a><br \/>\n\u5bf9\u4e8ezygote\uff0c\u6267\u884c\u7684\u5c31\u662f<br \/>\n<code>runtime.start(&quot;com.android.internal.os.ZygoteInit&quot;, args, zygote);<\/code><br \/>\nZygoteInit\u4f1a\u521b\u5efasystem_server\u8fdb\u7a0b<\/p>\n<h2><span class=\"ez-toc-section\" id=\"zygote%E9%87%8D%E5%90%AF%E7%9A%84%E5%87%A0%E7%A7%8D%E6%83%85%E5%86%B5\"><\/span>zygote\u91cd\u542f\u7684\u51e0\u79cd\u60c5\u51b5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>(onresart) Zygote \u8fdb\u7a0b\u88ab\u6740\uff1b<\/li>\n<li>(oneshot = false) system_server \u8fdb\u7a0b\u88ab\u6740\u6b7b\uff1b<\/li>\n<li>ServiceManager \u8fdb\u7a0b\u88ab\u6740\u6b7b\uff0c\u8fd9\u662f\u56e0\u4e3a ServiceManager \u5148\u542f\u52a8\uff0c\u7136\u540e Zygote \u8fdb\u7a0b\u540e\u542f\u52a8\uff0c\u6700\u540e\u662f system_server \u8fdb\u7a0b\u542f\u52a8\uff0c\u542f\u52a8\u7684\u987a\u5e8f\u51b3\u5b9a\u4e86\u4f9d\u8d56\u6027\u3002system_server \u4e2d\u7684 Service \u90fd\u9700\u8981\u548c ServiceManager \u8fdb\u884c\u901a\u8baf\uff0c\u56e0\u6b64\uff0c\u5f53 ServiceManager \u8fdb\u7a0b\u88ab\u6740\u6b7b\u7684\u65f6\u5019\uff0csystem_server \u5c06\u6740\u6b7b\u81ea\u8eab\uff0c\u4ece\u800c\u5bfc\u81f4 Zygote \u8fdb\u7a0b\u88ab\u6740\u6b7b\uff1b<\/li>\n<li>(onresart) SurfaceFlinger \u8fdb\u7a0b\u88ab\u6740\u6b7b\uff1b<\/li>\n<\/ul>\n<button class=\"simplefavorite-button\" data-postid=\"13765\" 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>https:\/\/blog.csdn.net\/cw102055234\/article\/details\/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1047],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13765"}],"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=13765"}],"version-history":[{"count":11,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13765\/revisions"}],"predecessor-version":[{"id":14818,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13765\/revisions\/14818"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13765"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}