详解C++11 线程休眠函数

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sleep(2*1000);//sleep for 2 seconds

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sleep(2);//sleep for 2 seconds

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std::this_thread::sleep_for

std::this_thread::sleep_untill

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template<classRep,classPeriod >

voidsleep_for(conststd::chrono::duration<Rep, Period>& sleep_duration );

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std::chrono::nanoseconds

std::chrono::microseconds

std::chrono::milliseconds

std::chrono::seconds

std::chrono::minutes

std::chrono::hours

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std::this_thread::sleep_for(std::chrono::milliseconds(100));

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std::this_thread::sleep_for(std::chrono::minutes(1));

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#include <iostream>

#include <chrono>

#include <thread>

intmain() {

std::cout <<"Hello waiter\n"<< std::flush;

auto start = std::chrono::high_resolution_clock::now();

std::this_thread::sleep_for(std::chrono::milliseconds(2000));

auto end = std::chrono::high_resolution_clock::now();

std::chrono::duration<double, std::milli> elapsed = end-start;

std::cout <<"Waited "<< elapsed.count() <<" ms\n";

}

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template<classClock,classDuration >

voidsleep_until(conststd::chrono::time_point<Clock,Duration>& sleep_time )

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#include <iostream>

#include <thread>

#include <chrono>

// Print Current Time

voidprint_time_point(std::chrono::system_clock::time_point timePoint) {

std::time_ttimeStamp = std::chrono::system_clock::to_time_t(timePoint);

std::cout << std::ctime(&timeStamp) << std::endl;

}

voidthreadFunc() {

std::cout<<"Current Time :: ";

// Print Current Time

print_time_point(std::chrono::system_clock::now());

// create a time point pointing to 10 second in future

std::chrono::system_clock::time_point timePoint =

std::chrono::system_clock::now() + std::chrono::seconds(10);

std::cout <<"Going to Sleep Until :: "; print_time_point(timePoint);

// Sleep Till specified time point

// Accepts std::chrono::system_clock::time_point as argument

std::this_thread::sleep_until(timePoint);

std::cout<<"Current Time :: ";

// Print Current Time

print_time_point(std::chrono::system_clock::now());

}

intmain() {

std::threadth(&threadFunc);

th.join();

return0;

}