std::this_thread::get_id
Defined in header <thread> | ? | ? |
---|---|---|
std::thread::id get_id(); | ? | (since C++11) |
返回ID当前线程。
参数
%280%29
返回值
ID当前线程。
例外
noexcept
规格:
noexcept
例
二次
#include <iostream>
#include <thread>
#include <chrono>
#include <mutex>
std::mutex g_display_mutex;
void foo()
{
std::thread::id this_id = std::this_thread::get_id();
g_display_mutex.lock();
std::cout << "thread " << this_id << " sleeping...\n";
g_display_mutex.unlock();
std::this_thread::sleep_for(std::chrono::seconds(1));
}
int main()
{
std::thread t1(foo);
std::thread t2(foo);
t1.join();
t2.join();
}
二次
可能的产出:
二次
thread 0x2384b312 sleeping...
thread 0x228a10fc sleeping...
二次
另见
get_id (C++11) | returns the id of the thread (public member function of std::thread) |
---|
C文件[医]电流
? cppreference.com
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