#include <condition_variable> std::mutex m; std::condition_variable cv; std::string data; bool ready = false; bool processed = false; void worker_thread() { // Wait until main() sends data std::unique_lock<std::mutex> lk(m); cv.wait(lk, []{return ready;}); // after the wai...
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想必大家开发过程中都会用到多线程,用到多线程基本上都会用到条件变量,你理解的条件变量只是简单的...
我需要弄清楚lock和condition_variable是如何工作的。在这里略有修改的cplusplusreference代码中std::mutex m;std::condition_variable cv;std::string data;bool ready = false;bool processed = false;void worker_thread(){ // Wait until main() sends data