{"id":1504,"date":"2020-05-10T20:38:05","date_gmt":"2020-05-10T12:38:05","guid":{"rendered":"http:\/\/bloo.heing.fun\/?p=1504"},"modified":"2020-05-17T17:58:14","modified_gmt":"2020-05-17T09:58:14","slug":"c-%e5%b9%b6%e5%8f%91","status":"publish","type":"post","link":"https:\/\/bloo.heing.fun\/?p=1504","title":{"rendered":"c++ \u7ebf\u7a0b\u95f4\u7684sharing data"},"content":{"rendered":"<p>mutex mtx;<br \/>\n1 \u76f4\u63a5\u8c03\u7528mtx.lock\u3001mtx.unlock \u4e0d\u5982 lock(mtx)\uff0c\u56e0\u4e3a\u524d\u8005\u53ef\u80fd\u6b7b\u9501<br \/>\n2 lock \u3001try_lock(mtx) \u53ef\u4ee5\u4e00\u6b21\u9501\u591a\u4e2a\u3001\u4fdd\u8bc1\u4e0d\u6b7b\u9501\uff0c\u4f46try_lock\u6709\u8fd4\u56de\u503c\u7528\u4e8e\u5224\u65ad\u662f\u5426\u6210\u529f\u3002<br \/>\n3 try_lock(mtx)\u6709\u65f6\u4e0d\u5982unique_lock lck(mtx)\uff0c\u56e0\u4e3a\u540e\u8005\u53ef\u4ee5\u5728lcx\u9500\u6bc1\u65f6\u81ea\u52a8\u91ca\u653e\u9501\u3002unique_lock&lt;mutex&gt; lcx(mtx)\u8fd9\u79cd\u6784\u9020\u4f1a\u4e00\u76f4\u963b\u585e\u5230\u9501\u4f4f\u3002<br \/>\n\u6700\u4f73\u5b9e\u8df5\u662f<br \/>\nmutex m1;<br \/>\nunique_lock&lt;mutex&gt; lcx(m1,std::defer_lock);<br \/>\ntry_lock(lcx);<\/p>\n","protected":false},"excerpt":{"rendered":"<p>mutex mtx; 1 \u76f4\u63a5\u8c03\u7528mtx.lock\u3001mtx.unlock \u4e0d\u5982 lock(mtx)\uff0c\u56e0\u4e3a\u524d\u8005\u53ef [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76,36],"tags":[],"class_list":["post-1504","post","type-post","status-publish","format-standard","hentry","category-cplusplus","category-36"],"_links":{"self":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1504"}],"version-history":[{"count":8,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1504\/revisions"}],"predecessor-version":[{"id":1582,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=\/wp\/v2\/posts\/1504\/revisions\/1582"}],"wp:attachment":[{"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bloo.heing.fun\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}