在标头<thread>定义 thread (C++11) 管理单独的线程 (类) jthread (C++20) 支持自动合并和取消的std::thread (类) 管理当前线程的函数 在命名空间this_thread定义 yield (C++11) 建议实现重新调度各执行线程 (函数) get_id (C++11) 返回当前线程的线程 id (函数) sleep_fo
std::this_thread::yield Defined in header<thread> voidyield()noexcept; (since C++11) Provides a hint to the implementation to reschedule the execution of threads, allowing other threads to run. Parameters (none) Return value (none) Notes ...
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Run this code #include <chrono>#include <iostream>#include <thread>intmain(){usingnamespacestd::chrono_literals;std::cout<<"Hello waiter\n"<<std::flush;constautostart=std::chrono::high_resolution_clock::now();std::this_thread::sleep_for(2000ms);constautoend=std::chrono::high_resolution...
thread包装了std::thread,在析构函数中调用join()函数(jthread的j是joining的缩写),修复了std::thread不是RAII类型的缺陷 为什么会有潜在的未定义行为:访问潜在被销毁的 *this? 因为线程可能在await_suspend执行完成前 立刻启动,协程恢复后awaiter就被销毁了。
std::basic_string::resize_and_overwrite (P1072R10) Rvalue reference overload of std::basic_string::substr for efficient slicing (P2438R2) Formatting ranges, tuples, escaped presentation of characters and strings, std::thread::id, and stacktraces. (P2286R8) (P2585R1) (P2693R1) I...
Coroutine started on thread: "<< std::this_thread::get_id() <<'\n'; co_await switch_to_new_thread(*out);// awaiter destroyed herestd::cout <<"Coroutine resumed on thread: "<< std::this_thread::get_id() <<'\n'; }intmain() { std::jthread out; resuming_on_new_thread(&...
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thread − jthread (C++20) atomic − atomic_flag atomic_ref (C++20) − memory_order Mutual exclusion − Condition variables Futures − Semaphores (C++20) latch (C++20) − barrier (C++20)Safe Reclamation (C++26) Execution support library (C++26) ...