= 0) { std::cerr << "Failed to set thread priority: " << strerror(errno) << std::endl; return 1; } myThread.join(); return 0; } 3. 列举不同操作系统对线程优先级支持的可能差异 Windows:提供了多个线程优先级级别,如THREAD_PRIORITY_LOWEST到THREAD_PRIORITY_HIGHEST...
THREAD_PRIORITY_LOWEST : THREAD_PRIORITY_IDLE) != 0; } #else auto lower_my_priority() -> bool { int policy; sched_param params; if (pthread_getschedparam( pthread_self(), &policy, ¶ms) == 0) { int const min_value{ sched_get_priority_min(policy) }; if (min_value != -1)...
iomutex; void f(int num) { std::this_thread::sleep_for(std::chrono::seconds(1)); sched_param sch; int policy; pthread_getschedparam(pthread_self(), &policy, &sch); std::lock_guard<std::mutex> lk(iomutex); std::cout << "Thread " << num << " is executing at priority " <...
iomutex; void f(int num) { std::this_thread::sleep_for(std::chrono::seconds(1)); sched_param sch; int policy; pthread_getschedparam(pthread_self(), &policy, &sch); std::lock_guard<std::mutex> lk(iomutex); std::cout << "Thread " << num << " is executing at priority " <...
iomutex; void f(int num) { std::this_thread::sleep_for(std::chrono::seconds(1)); sched_param sch; int policy; pthread_getschedparam(pthread_self(), &policy, &sch); std::lock_guard<std::mutex> lk(iomutex); std::cout << "Thread " << num << " is executing at priority " <...
Thread - Priority 设置线程优先级 本文章为转载内容,我们尊重原作者对文章享有的著作权。如有内容错误或侵权问题,欢迎原作者联系我们进行内容更正或删除文章。
iomutex; void f(int num) { std::this_thread::sleep_for(std::chrono::seconds(1)); sched_param sch; int policy; pthread_getschedparam(pthread_self(), &policy, &sch); std::lock_guard<std::mutex> lk(iomutex); std::cout << "Thread " << num << " is executing at priority " <...
How to set thread priorty using new std::thread? 项目 2013/01/26 Question Saturday, January 26, 2013 9:03 PM I found the new std::thread class in VC++ 2012. I'd like to use it but I want to use a thread priority other than NORMAL but there doesn't seem to be a way to...
Thread 1 is executing at priority 20 hardware_concurrency[static]: 检测硬件并发特性,返回当前平台的线程实现所支持的线程并发数目,但返回值仅仅只作为系统提示(hint)。 #include <iostream> #include <thread> int main() { unsigned int n = std::thread::hardware_concurrency(); ...
err = pthread_getschedparam(handle, &policy, ¶m);if(err !=0)std::cerr<<"Failed to get thread scheduling parameters."<<std::endl;// 提高网络数据线程的优先级param.sched_priority =10; err = pthread_setschedparam(handle, policy, ¶m);if(err !=0)std::cerr<<"Failed to set thread...