\u5982\u679c\u662f\u975e\u53ef\u89c6\u7684\u7ec4\u4ef6\u6216\u53d8\u91cf\uff0c\u90a3\u4e48\u4f60\u5c31\u5fc5\u9700\u4fdd\u8bc1\u8bbf\u95ee\u524d\uff0c\u901a\u8fc7\u4e34\u754c\u7b49\u65b9\u5f0f\u8fdb\u884c\u9501\u5b9a\uff0c\u9632\u6b62\u5176\u5b83\u7ebf\u7a0b\u540c\u65f6\u8bfb\u5199\u3002\u6ce8\u610f\u4e00\u70b9\uff0cDelphi\u7684\u591a\u8bfb\u5355\u5199\u9501\u5b9e\u73b0\u6709\u95ee\u9898\uff0c\u6240\u4ee5\u5c3d\u91cf\u4e0d\u8981\u4f7f\u7528\u5b83\u3002<\/li>\n<\/ul>\n\uff082\uff09\u3001\u5176\u5b83\u7c7b\u578b\u7684\u5168\u5c40\u53d8\u91cf\u662f\u5426\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u9700\u8981\u4f60\u5bf9\u5176\u8fdb\u884c\u8be6\u7ec6\u7684\u4e86\u89e3\uff0c\u5982\u679c\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u90a3\u4e48\u76f4\u63a5\u8bbf\u95ee\u5c31\u6ca1\u6709\u95ee\u9898\uff0c\u5426\u5219\u5c31\u8981\u4f7f\u7528\u4e34\u754c\u7b49\u65b9\u5f0f\u540c\u6b65\u8bbf\u95ee\u3002<\/p>\n
\u4e94\u3001\u5b9e\u73b0\u591a\u7ebf\u7a0b\u4e2d\u6570\u636e\u5b89\u5168\u8bbf\u95ee\u7684\u65b9\u6cd5\u6709\u90a3\u4e9b\uff1f<\/h4>\n
(1)\u3001\u5c06\u5bf9\u975e\u7ebf\u7a0b\u53d8\u91cf\u7684\u8bbf\u95ee\u9650\u5236\u5230\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\uff0c\u4e00\u822c\u662f\u9650\u5236\u5230\u4e3b\u7ebf\u7a0b\u4e2d\u3002<\/p>\n
\u5728Windows\u4e0b\uff0c\u4f60\u53ef\u4ee5\u7528PostMessage\u6216SendMessage\u6765\u76f4\u63a5\u6295\u5bc4\u6d88\u606f\u7ed9\u76f8\u5e94\u7684\u7a97\u53e3\uff0c\u7136\u540e\u5728\u76f8\u5e94\u7684\u7a97\u53e3\u4e2d\u54cd\u5e94\u6d88\u606f\u8fdb\u884c\u5904\u7406\u3002\u5982\u679c\u4f60\u4f7f\u7528QWorker\uff0c\u53ef\u4ee5\u76f4\u63a5\u6295\u5bc4\u4e00\u4e2a\u4e3b\u7ebf\u7a0b\u4e2d\u6267\u884c\u7684\u4f5c\u4e1a\uff0c\u5728\u8be5\u4f5c\u4e1a\u4e2d\u5904\u7406\uff0c\u800c\u5bf9\u4e8e2010\u540e\u7684Delphi\/C++ Builder\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u533f\u540d\u51fd\u6570\u76f4\u63a5\u5904\u7406\uff0c\u770b\u8d77\u6765\u66f4\u76f4\u89c2\u4e9b\u3002<\/p>\n
\u9996\u5148\u770b\u4e0b\u9762\u6f14\u793a\u7684\u4f8b\u5b50\uff1a<\/p>\n
\/\/\u58f0\u660e\u90e8\u5206\r\nTForm1=class(TForm)\r\n...\r\n procedure DoSyncAccess(var AMsg:TMessage);message WM_APP;\r\n...\r\nend;\r\n\/\/\u5b9e\u73b0\u90e8\u5206\r\nprocedure TForm1.DoSyncAccess(var AMsg:TMessage);\r\nvar\r\n S:PString;\r\nbegin\r\nS:=PString(AMsg.WParam)^;\r\nMemo1.Lines.Add(S^);\r\nDispose(S);\r\nend;\r\n\/\/\u7ebf\u7a0b\u8bbf\u95ee\u90e8\u5206-\u4f7f\u7528PostMessage\r\n...\r\nvar\r\n S:PString;\r\nbegin\r\nNew(S);\r\nS^:='Hello,world';\r\nPostMessage(Form1.Handle,WM_APP,WParam(S),0);\r\n...<\/pre>\n\u5982\u679c\u6362\u6210SendMessage\uff0c\u7531\u4e8eSendMessage\u4f1a\u7b49\u5f85\u6d88\u606f\u5904\u7406\u5b8c\u6210\u624d\u8fd4\u56de\uff0c\u4e0a\u9762\u7684S\u5c31\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u6808\u4e0a\u7684\u53d8\u91cf\uff0c\u5185\u5b58\u91ca\u653e\u4f1a\u7b80\u5355\u4e9b\uff0c\u4f46\u4f7f\u7528SendMessage\u8981\u6ce8\u610f\u4e00\u70b9\uff0c\u5343\u4e07\u4e0d\u8981\u6574\u6210\u9690\u5f0f\u7684\u9012\u5f52\u5faa\u73af\uff0c\u5426\u5219\u4f1a\u6b7b\u6389\u3002<\/p>\n
\u4e0b\u9762\u662fQWorker\u7684\u533f\u540d\u51fd\u6570\u7248\u6f14\u793a\u4ee3\u7801\uff1a<\/p>\n
...\r\nvar\r\n S:PString;\r\nbegin\r\nNew(S);\r\nS^:='Hello,world';\r\nWorkers.Post(\r\n procedure (AJob:PQJob)\r\n begin\r\n Memo1.Lines.Add(PString(AJob.Data)^);\r\n Dispose(PString(AJob.Data));\r\n end,\r\n S,\r\n True);\r\n...\r\n<\/pre>\n\u5c06\u5176\u4e2d\u7684\u533f\u540d\u51fd\u6570\u6362\u6210\u975e\u533f\u540d\u7684\u7248\u672c\u5373\u662f\u666e\u901a\u7684\u51fd\u6570\u7248\u672c\uff0c\u4ee3\u7801\u4e0d\u518d\u91cd\u590d\u3002\u5982\u679c\u8981\u7b49\u5f85\u4f5c\u4e1a\u5b8c\u6210\uff0c\u5219\u7528TQJobGroup\u6765\u7b49\u5f85\u4f5c\u4e1a\u7ed3\u675f\u5373\u53ef\u3002\u5177\u4f53\u53ef\u4ee5\u53c2\u8003QWorkerDemo\u91cc\u7684\u4ee3\u7801\u3002<\/p>\n
(2)\u3001\u4f7f\u7528\u540c\u6b65\u5bf9\u8c61\u6765\u5b8c\u6210\u5bf9\u6570\u636e\u7684\u8bbf\u95ee<\/p>\n
Delphi\/C++ Builder\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7ebf\u7a0b\u540c\u6b65\u5bf9\u8c61\uff0c\u5982\u4e34\u754c(TCriticalSection)\u3001\u4e8b\u4ef6(TEvent)\u3001\u81ea\u65cb\u9501(TSpinLock)\u7b49\uff0c\u5177\u4f53\u7528\u6cd5\u5c31\u4e0d\u5728\u8fd9\u91cc\u5217\u4e86\u3002\u4e34\u754c\u548c\u4e8b\u4ef6\u5728QWorker\u4e2d\u591a\u5904\u7528\u5230\u4e86\uff0c\u53ef\u4ee5\u81ea\u884c\u9605\u8bfb\u6e90\u7801\u53c2\u8003\uff0c\u81f3\u4e8e\u5176\u5b83\u7684\uff0c\u8bf7\u81ea\u884c\u53c2\u8003\u5e2e\u52a9\u6216\u95ee\u5ea6\u5a18\u548c\u8c37\u54e5\u3002<\/p>\n
\u672c\u6587\u6682\u65f6\u8ba8\u8bba\u5230\u8fd9\u91cc\uff0c\u6709\u5176\u5b83\u95ee\u9898\u6211\u4eec\u8fdb\u4e00\u6b65\u8865\u5145\u8bf4\u660e\u3002<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u7684\u8c03\u8bd5\u5bf9\u4e8e\u7a0b\u5e8f\u5458\u6765\u8bf4\uff0c\u662f\u5fc3\u4e2d\u6c38 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[20],"class_list":["post-229","post","type-post","status-publish","format-standard","hentry","category-delphi","tag-20"],"views":7943,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/229","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=229"}],"version-history":[{"count":7,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/229\/revisions"}],"predecessor-version":[{"id":653,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/229\/revisions\/653"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"thread_pause\"](\"https:\/\/blog.qdac.cc\/wp-content\/uploads\/2014\/08\/thread_pause.jpg\")
<\/a><\/p>\n