{"id":102,"date":"2009-04-26T23:23:27","date_gmt":"2009-04-26T15:23:27","guid":{"rendered":"http:\/\/timyang.net\/?p=102"},"modified":"2009-04-28T17:49:47","modified_gmt":"2009-04-28T09:49:47","slug":"lua-coroutine","status":"publish","type":"post","link":"https:\/\/timyang.net\/lua\/lua-coroutine\/","title":{"rendered":"Lua coroutine \u4e0d\u4e00\u6837\u7684\u591a\u7ebf\u7a0b\u7f16\u7a0b\u601d\u8def"},"content":{"rendered":"<p>\u4e0a\u5468\u672b\u5f00\u59cb\u770b\u300aLua\u7a0b\u5e8f\u8bbe\u8ba1\u300b\u7b2c\u4e8c\u7248\uff0c\u76ee\u524d\u4f53\u4f1a\u5230\u5176\u4e2d\u6bd4\u8f83\u6709\u8da3\u7684\u6709\u4e24\u70b9\uff0c\u4e00\u662f\u5f3a\u5927\u7684table\u6570\u636e\u7ed3\u6784\uff0c\u53e6\u5916\u5c31\u662fcoroutine\u3002\u4e5f\u8bb8Lua\u4e2d\u7684coroutine\u662f\u4e00\u79cd\u5f88\u597d\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4f46\u6211\u521d\u6b65\u7684\u4f53\u4f1a\u8fd8\u662f\u6ca1\u60f3\u5230\u5176\u4ed6\u8bed\u8a00\u548c\u573a\u5408\u80fd\u975e\u5e38\u9002\u5408\u7528\u5230coroutine\u7684\u573a\u666f\u3002<\/p>\n<h1>\u4e00\u3001\u7b80\u4ecb<\/h1>\n<blockquote><p>\u534f\u540c\u7a0b\u5e8f\u4e0e\u7ebf\u7a0b\u5dee\u4e0d\u591a\uff0c\u4e5f\u5c31\u662f\u4e00\u6761\u6267\u884c\u5e8f\u5217\uff0c\u62e5\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u6808\uff0c\u5c40\u90e8\u53d8\u91cf\u548c\u6307\u4ee4\u6307\u9488\uff0c\u540c\u65f6\u53c8\u4e0e\u5176\u5b83\u534f\u540c\u7a0b\u5e8f\u5171\u4eab\u5168\u5c40\u53d8\u91cf\u548c\u5176\u5b83\u5927\u90e8\u5206\u4e1c\u897f\u3002\u7ebf\u7a0b\u4e0e\u534f\u540c\u7a0b\u5e8f\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\uff0c\u4e00\u4e2a\u5177\u6709\u591a\u7ebf\u7a0b\u7684\u7a0b\u5e8f\u53ef\u4ee5\u540c\u65f6\u8fd0\u884c\u51e0\u4e2a\u7ebf\u7a0b\uff0c\u800c\u534f\u540c\u7a0b\u5e8f\u5374\u9700\u8981\u5f7c\u6b64\u534f\u4f5c\u5730\u8fd0\u884c\u3002\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2a\u5177\u6709\u591a\u4e2a\u534f\u540c\u7a0b\u5e8f\u7684\u7a0b\u5e8f\u5728\u4efb\u4f55\u65f6\u523b\u53ea\u80fd\u8fd0\u884c\u4e00\u4e2a\u534f\u540c\u7a0b\u5e8f\uff0c\u5e76\u4e14\u6b63\u5728\u8fd0\u884c\u7684\u534f\u540c\u7a0b\u5e8f\u53ea\u4f1a\u5728\u5176\u663e\u793a\u5730\u6302\u8d77\u65f6\uff0c\u5b83\u7684\u6267\u884c\u624d\u4f1a\u6682\u505c\u3002<\/p><\/blockquote>\n<p>\u5982\uff1a<\/p>\n<pre>co = coroutine.create(function ()\r\nfor i=1,10 do\r\nprint(\"co\", i)\r\ncoroutine.yield()\r\nend\r\nend)<\/pre>\n<p>\u4ece\u4e3b\u7ebf\u7a0b\u8c03\u7528<br \/>\ncoroutine.resume(co)<br \/>\n\u4f1a\u4f9d\u6b21\u6253\u53701\u523010<\/p>\n<h1>\u4e8c\u3001\u539f\u7406\u63a2\u6790<\/h1>\n<ul>\n<li>coroutine\u521b\u5efa\u7684\u6240\u8c13\u7684\u201c\u7ebf\u7a0b\u201d\u90fd\u4e0d\u662f\u771f\u6b63\u7684\u64cd\u4f5c\u7cfb\u7edf\u7684\u7ebf\u7a0b\uff0c\u5b9e\u9645\u4e0a\u662f\u901a\u8fc7\u4fdd\u5b58stack\u72b6\u6001\u6765\u6a21\u62df\u7684\u3002<a href=\"http:\/\/mryufeng.javaeye.com\/blog\/211004\" target=\"_blank\"><\/a><\/li>\n<li>\u7531\u4e8e\u662f\u5047\u7684\u7ebf\u7a0b\uff0c\u6240\u4ee5\u5207\u6362\u7ebf\u7a0b\u7684\u5f00\u9500\u6781\u5c0f\uff0c\u540c\u65f6\u521b\u5efa\u7ebf\u7a0b\u4e5f\u662f\u8f7b\u91cf\u7ea7\u7684\uff0cnew_thread\u53ea\u662f\u5728\u5185\u5b58\u65b0\u5efa\u4e86\u4e00\u4e2astack\u7528\u4e8e\u5b58\u653e\u65b0coroutine\u7684\u53d8\u91cf\uff0c\u4e5f\u79f0\u4f5clua_State<\/li>\n<\/ul>\n<p>LUA_API lua_State *lua_newthread (lua_State *L)<\/p>\n<ul>\n<li>\u8c03\u7528yield()\u5f53\u524d\u7ebf\u7a0b\u4ea4\u51fa\u63a7\u5236\u6743\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u901a\u8fc7stack\u8fd4\u56de\u53c2\u6570\u3002\u8c03\u7528resume\u7684\u7ebf\u7a0b(\u53ef\u7406\u89e3\u4e3a\u4e3b\u7ebf\u7a0b)\u83b7\u5f97\u8fd4\u56de\u7684\u53c2\u6570\u3002<\/li>\n<li>Lua yield()\u548cJava\u4e2d\u7684Thread.yield()\u6709\u70b9\u76f8\u4f3c\uff0c\u4f46\u662f\u533a\u522b\u66f4\u5927\u3002Java\u4e2d\u7684yield\u8c03\u7528\u540e\u53ea\u662f\u5c06\u5f53\u524dCPU\u5207\u6362\u5230\u53e6\u5916\u4e00\u4e2a\u7ebf\u7a0b\uff0cCPU\u53ef\u80fd\u968f\u65f6\u4f1a\u7ee7\u7eed\u56de\u5230\u7ebf\u7a0b\u6267\u884c\u3002<\/li>\n<li>\u6211\u66f4\u503e\u5411\u4e8e\u628aLua\u4e2d\u7684yield()\u548cresume()\u548cJava\u4e2d\u7684wait()\u548cnotify()\u6765\u5bf9\u6bd4\u3002\u5b83\u4eec\u8868\u73b0\u7684\u884c\u4e3a\u57fa\u672c\u4e00\u81f4\u3002<\/li>\n<li>\u5173\u4e8estack\u5b9e\u73b0\u4e5f\u53ef\u53c2\u770bYufeng(Erlang\u9ad8\u624b)\u7684\u5206\u6790\u6587\u7ae0 <a href=\"http:\/\/mryufeng.javaeye.com\/blog\/211004\" target=\"_blank\">lua coroutine\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/a><\/li>\n<\/ul>\n<h1>\u4e09\u3001Why coroutine?<\/h1>\n<p>\u4e0a\u9762\u5bf9coroutine\u6709\u4e2a\u57fa\u672c\u7684\u4e86\u89e3\uff0c\u56e0\u6b64\u5927\u5bb6\u90fd\u4f1a\u8c61\u6211\u4e00\u6837\u53bb\u60f3\uff0c\u4e3a\u4ec0\u4e48\u8981\u7528coroutine\uff1f\u5148\u7814\u7a76\u4e0b\u4f18\u70b9<\/p>\n<ul>\n<li>\u6bcf\u4e2acoroutine\u6709\u81ea\u5df1\u79c1\u6709\u7684stack\u53ca\u5c40\u90e8\u53d8\u91cf\u3002<\/li>\n<li>\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2acoroutine\u5728\u6267\u884c\uff0c\u65e0\u9700\u5bf9\u5168\u5c40\u53d8\u91cf\u52a0\u9501\u3002<\/li>\n<li>\u987a\u5e8f\u53ef\u63a7\uff0c\u5b8c\u5168\u7531\u7a0b\u5e8f\u63a7\u5236\u6267\u884c\u7684\u987a\u5e8f\u3002\u800c\u901a\u5e38\u7684\u591a\u7ebf\u7a0b\u4e00\u65e6\u542f\u52a8\uff0c\u5b83\u7684\u8fd0\u884c\u65f6\u5e8f\u662f\u6ca1\u6cd5\u9884\u6d4b\u7684\uff0c\u56e0\u6b64\u901a\u5e38\u4f1a\u7ed9\u6d4b\u8bd5\u6240\u6709\u7684\u60c5\u51b5\u5e26\u6765\u56f0\u96be\u3002\u6240\u4ee5\u80fd\u7528coroutine\u89e3\u51b3\u7684\u573a\u5408\u5e94\u5f53\u4f18\u5148\u4f7f\u7528coroutine\u3002<\/li>\n<\/ul>\n<p>\u518d\u770b\u7f3a\u70b9\uff0c\u7814\u7a76coroutine\u7f3a\u70b9\u4e4b\u524d\uff0c\u6211\u5bfb\u627e\u4e86\u4e00\u4e0bLua\u4e2d\u4e3a\u4ec0\u4e48\u5b9e\u73b0coroutine\u7684\u4e00\u4e9b\u8bf4\u660e\u3002\u5728\u5df4\u897f\u4eba\u5199\u7684paper<a href=\"http:\/\/www.inf.puc-rio.br\/~roberto\/docs\/corosblp.pdf\" target=\"_blank\"> Coroutines in Lua<\/a>(pdf)\u4e2d\u89e3\u91ca\u4e86\u51e0\u4e2a\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>Lua\u662fANSI C\u5b9e\u73b0\u7684\uff0cANSI C\u5e76\u4e0d\u5305\u542bthread\u7684\u5b9e\u73b0\uff0c\u56e0\u6b64\u5982\u679c\u8981\u5728Lua\u589e\u52a0thread\u7684\u652f\u6301\u5c31\u8981\u4f7f\u7528\u64cd\u4f5c\u7cfb\u7edf\u672c\u5730\u7684\u5b9e\u73b0\uff0c\u8fd9\u6837\u4f1a\u9020\u6210\u901a\u7528\u7684\u95ee\u9898\u3002\u540c\u65f6\u4e5f\u4f1a\u4f7fLua\u53d8\u5f97\u81c3\u80bf\u3002\u56e0\u6b64Lua\u9009\u62e9\u4e86\u5728ANSI C\u4e0a\u5b9e\u73b0\u7684coroutine\u3002<\/li>\n<li>Lua\u4e3b\u8981\u8bbe\u8ba1\u76ee\u7684\u4e4b\u4e00\u662f\u7ed9C\u8c03\u7528\uff0c\u5982\u679cLua\u5185\u90e8\u53c8\u6709\u591a\u7ebf\u7a0b\u5b9e\u73b0\u7684\u8bdd\u4f1a\u9020\u6210C\u8c03\u7528\u72b6\u6001\u7684\u6df7\u4e71\uff0c\u800c\u53ea\u63d0\u4f9bcoroutine\u5c42\u9762\u7684\u6302\u8d77\u5219\u53ef\u4ee5\u4fdd\u6301\u72b6\u6001\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u8fd9\u4e9b\u7406\u7531\u90fd\u662f\u57fa\u4e8eLua\u7279\u6b8a\u7684\u539f\u56e0\u800c\u4f7f\u7528\u7684\uff0c\u5e76\u4e0d\u662f\u5f88\u901a\u7528\u7684\u539f\u56e0\u3002\u6211\u4eec\u4e5f\u4e86\u89e3\u5230\uff0ccoroutine\u5b9e\u9645\u4e0a\u662f\u4e00\u79cd\u53e4\u8001\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u572860\u5e74\u4ee3\u5c31\u5df2\u7ecf\u5b9a\u578b\uff0c\u4f46\u662f\u73b0\u4ee3\u8bed\u8a00\u5f88\u5c11\u6709\u91cd\u89c6\u8fd9\u4e2a\u7279\u6027\uff0c\u76ee\u524d\u53ef\u4ee5\u4e3e\u4f8b\u7684\u6709Windows\u7684fibers, Python\u7684generators<\/p>\n<h1>\u56db\u3001Lua coroutine\u548cErlang<\/h1>\n<p>\u4e0a\u9762\u4f18\u70b9\u67091\u6761\u6ca1\u5c55\u5f00\uff0c\u5c31\u662f\u6bcf\u4e2acoroutine\u6709\u81ea\u5df1\u79c1\u6709\u7684stack\u53ca\u5185\u5b58\u53d8\u91cf\u7a7a\u95f4\u3002\u56e0\u6b64\u53ef\u4ee5\u8ba4\u4e3acoroutine\u548cErlang\u4e2d\u7684process\u662f\u975e\u5e38\u76f8\u4f3c\u7684\u3002\u4f46\u662fcoroutine\u53ea\u80fd\u540c\u65f6\u53ea\u6709\u4e00\u4e2a\u5728\u6267\u884c\uff0c\u5982\u679c\u80fd\u8ba9\u4ed6\u591a\u4e2a\u540c\u65f6\u8dd1\uff0c\u6211\u89c9\u5f97\u5c31\u548cErlang\u975e\u5e38\u76f8\u4f3c\u4e86\u3002<\/p>\n<p>\u300aLua\u7a0b\u5e8f\u8bbe\u8ba1\u300b\u7b2c\u4e8c\u724830.2\u4ecb\u7ecd\u7684\u4e00\u79cd\u5b9e\u73b0\u65b9\u6cd5\uff0c\u8ba9\u591a\u4e2ac threads\u542f\u52a8\uff0c\u7136\u540e\u6bcf\u4e2ac thread\u542f\u52a8\u4e00\u4e2acoroutine(\u7c7b\u4f3cErlang process)\uff0c\u7136\u540e\u901a\u8fc7stack\u4f20\u9012\u53d8\u91cf\u503c(\u7c7b\u4f3cErlang process message)\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u7c7b\u4f3cErlang\u7684process\u6a21\u578b\u4e86\u3002\u7531\u4e8ecoroutine\u5b9e\u9645\u4e0a\u53ef\u4ee5\u7528\u4efb\u4f55\u8bed\u8a00\u5b9e\u73b0\uff0c\u90a3\u5176\u4ed6\u8bed\u8a00\u5e94\u8be5\u4e5f\u53ef\u5b9e\u73b0\u540c\u6837\u8fd9\u79cd\u8bbe\u8ba1\u65b9\u6cd5\u3002<\/p>\n<h1>\u4e94\u3001Lua\u5176\u4ed6<\/h1>\n<p>Lua\u76ee\u524d\u4e3b\u8981\u7528\u5728\u6e38\u620f\u7f16\u7a0b\u9886\u57df\uff0c\u901a\u5e38\u7684\u89c2\u70b9Lua\u662f\u201c\u80f6\u6c34\u8bed\u8a00\u201d\u3002\u7528\u6765\u628a\u5404\u4e2a\u6a21\u5757\u5316\u7684\u529f\u80fd\u7c98\u5408\u8d77\u6765\u3002\u5c31\u6211\u76ee\u524d\u9605\u8bfb\u7684\u4e00\u4e9b\u4ee3\u7801\u6765\u770b\uff0cC\u548cLua\u901a\u5e38\u662f\u6df7\u5408\u5728\u4e00\u8d77\u7684\uff0c\u5e76\u6ca1\u6709\u660e\u786e\u7684\u8fb9\u754c\u3002\u5bf9\u4e8e\u6211\u4e00\u4e2a\u5916\u884c\u7684\u773c\u5149\u770b\u6765\u6211\u5206\u4e0d\u6e05\u54ea\u4e9b\u662f\u5728\u505aC\u7684\u4e8b\u60c5\uff0c\u54ea\u4e9b\u662f\u5728\u8c03\u7528Lua\u3002\u7279\u522b\u662f\u8fd9\u4e2a\u201c\u80f6\u6c34\u201d\u5982\u679c\u653e\u5f97\u592a\u591a\uff0c\u7cfb\u7edf\u4e2d\u5404\u4e2a\u6a21\u5757\u7684\u72ec\u7acb\u6027\u5c06\u4f1a\u53d7\u5230\u5f71\u54cd\u3002\u6bd4\u5982\u4e91\u98ce\u7684\u8fd9\u7bc7<a href=\"http:\/\/blog.codingnow.com\/2008\/08\/lua_is_not_c_plus_plus.html\" target=\"_blank\">Lua \u4e0d\u662f C++<\/a>\u4e5f\u63d0\u5230\uff0c\u201c\u8fd9\u5c5e\u4e8e\u8fc7\u539a\u7684\u7c98\u5408\u5c42\uff0c\u662f\u7edd\u5bf9\u9700\u8981\u629b\u5f03\u7684\u201d\u3002<\/p>\n<p>\u53e6\u5916Code@Pig\u4e00\u7bc7<a href=\"http:\/\/kasicass.blog.163.com\/blog\/static\/3956192009321112711785\/\" target=\"_blank\">[\u7f51\u6e38\u8bbe\u8ba1] \u4e00\u70b9\u611f\u60f3<\/a>\u4e5f\u63d0\u5230\u8981\u7b80\u5316\u8c03\u7528\uff0c\u6211\u603b\u7ed3\u5b83\u7684\u89c2\u70b9\u4e3b\u8981\u4e24\u70b9\uff1a<\/p>\n<ol>\n<li>\u4e0d\u8981\u5b58\u5728\u5197\u4f59\u7684\u5173\u7cfb\uff0c\u7ed9\u4e00\u4e2a\u90e8\u5206\u8d1f\u8d23\u7ba1\u7406\u5c31\u597d\u3002(\u7531Lua\/python\u6765\u7ba1\u7406)<\/li>\n<li>\u7c98\u5408\u5c42(Lua\/python\u63a5\u53e3)\u4e0d\u8981\u8fc7\u80d6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5f15\u5165\u4e00\u4e2a\u201c\u95f4\u63a5\u5c42\u201d\u6765\u628a\u7c98\u5408\u5c42\u505a\u201c\u8584\u201d<\/li>\n<\/ol>\n<p>\u867d\u7136Lua\u7684\u9ad8\u6548\u548c\u7cbe\u7b80\u7684\u8bbe\u8ba1\u8ba9\u4eba\u8d5e\u8a89\u6709\u52a0\uff0c\u4f46\u662f\u5b83\u7684<a href=\"http:\/\/shootout.alioth.debian.org\/gp4\/benchmark.php?test=all&amp;amp;amp;lang=all\" target=\"_blank\">\u6027\u80fd\u6392\u540d<\/a>\u5e76\u4e0d\u9ad8\uff0c\u548cPython\u5927\u81f4\u5728\u540c\u4e00\u4e2a\u7ea7\u522b\u3002\u53e6\u5916\u201c\u80f6\u6c34\u8bed\u8a00\u201d\u7684\u5b9a\u4f4d\u4e5f\u59a8\u788d\u4e86\u5b83\u5728\u66f4\u591a\u9886\u57df\u7684\u53d1\u5c55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u5468\u672b\u5f00\u59cb\u770b\u300aLua\u7a0b\u5e8f\u8bbe\u8ba1\u300b\u7b2c\u4e8c\u7248\uff0c\u76ee\u524d\u4f53\u4f1a\u5230\u5176\u4e2d\u6bd4\u8f83\u6709\u8da3\u7684\u6709\u4e24\u70b9\uff0c\u4e00\u662f\u5f3a\u5927\u7684table\u6570\u636e\u7ed3\u6784\uff0c\u53e6\u5916\u5c31\u662fcoroutine\u3002\u4e5f\u8bb8Lua\u4e2d\u7684coroutine\u662f\u4e00\u79cd\u5f88\u597d\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4f46\u6211\u521d\u6b65\u7684\u4f53\u4f1a\u8fd8\u662f\u6ca1\u60f3\u5230\u5176\u4ed6\u8bed\u8a00\u548c\u573a\u5408\u80fd\u975e\u5e38\u9002\u5408\u7528\u5230coroutine\u7684\u573a\u666f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[29,158],"class_list":["post-102","post","type-post","status-publish","format-standard","hentry","category-lua","tag-coroutine","tag-lua"],"_links":{"self":[{"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/posts\/102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/comments?post=102"}],"version-history":[{"count":6,"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/posts\/102\/revisions"}],"predecessor-version":[{"id":113,"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/posts\/102\/revisions\/113"}],"wp:attachment":[{"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/media?parent=102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/categories?post=102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/timyang.net\/wp-json\/wp\/v2\/tags?post=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}