std::mutex::unlock void unlock(); (since C++11) 打开互斥锁。 互斥锁必须由当前的执行线程锁定,否则,行为是未定义的。 这次行动同步性中定义的28名ASstd::memory_order%29获得相同互斥对象所有权的任何后续锁操作。 参数 %280%29 返回值 %280%29...
则不会再lockstd::lock_guard<std::mutex>guard2(mymutex2,std::adopt_lock);//有了std::adopt_lock,则不会再lock//mymutex1.lock();std::this_thread::sleep_for(std::chrono::milliseconds(100));//mymutex2.lock();if(!l.empty()){intcommand=l.front();std::cout...
*:有 lock() 就一定要有 unlock() #include <iostream>#include<thread>#include<mutex>#include<list>usingnamespacestd;classA {public:voidinNum() {for(inti =0; i <10000; i++) { m_mutex.lock(); num_list.push_back(i); cout<<"正在写:"<< i <<endl; m_mutex.unlock(); } }voidou...
std::timed_mutex::unlock void unlock(); (since C++11) 打开互斥锁。 互斥锁必须由当前的执行线程锁定,否则,行为是未定义的。 这次行动同步性中定义的28名ASstd::memory_order%29获得相同互斥对象所有权的任何后续锁操作。 参数 %280%29 返回值...
(inti=0;i<3;++i){g_num_mutex.lock();intg_num_running=++g_num;g_num_mutex.unlock();std::cout<<id<<" => "<<g_num_running<<'\n';std::this_thread::sleep_for(std::chrono::seconds(1));}}intmain(){std::threadt1(slow_increment,0);std::threadt2(slow_increment,1);t1.join...
unlock(); std::cout << id << " => " << g_num_running << '\n'; std::this_thread::sleep_for(std::chrono::seconds(1)); } } int main() { std::thread t1(slow_increment, 0); std::thread t2(slow_increment, 1); t1.join(); t2.join(); }...
std::unique_lock<Mutex>::unlock From cppreference.com Concurrency support library Threads thread (C++11) jthread (C++20) stop_token (C++20) stop_source (C++20) stop_callback (C++20) hardware_destructive_interference_sizehardware_constructive_interference_size ...
unlock(); } }); std::thread th2([&] { for ( int i = 0; i < nSize; ++ i ) { mtx.lock(); myarray.push_back( 1 ); mtx.unlock(); } }); th1.join(); th2.join(); std::cout << "myarray.size() = " << myarray.size() << std::endl; return 0; } 编译(过程...
void unlock_shared(); (C++14 起) 由调用方线程,从共享所有权释放互斥体。 当前执行线程必须以共享模式锁定互斥体,否则行为未定义。 此操作同步于(定义于 std::memory_order)任何获得同一互斥体所有权的后继 lock() 操作。 参数(无) 返回值(无) ...
Looking information on std::condition_variable I found the following example on https://en.cppreference.com/w/cpp/thread/condition_variable: void worker_thread() { : : // Manual unlocking is done before notifying, to avoid waking up // t...