std::thread::detach

来自cppreference.com
< cpp‎ | thread‎ | thread
void detach();
(C++11 起)

从 thread 对象分离执行的线程,允许执行独立地持续。一旦线程退出,则释放所有分配的资源。

调用 detach 后, *this 不再占有任何线程。

目录

[编辑] 参数

(无)

[编辑] 返回值

(无)

[编辑] 后置条件

joinablefalse

[编辑] 异常

joinable() == false 或错误发生时为 std::system_error

[编辑] 示例

#include <iostream>
#include <chrono>
#include <thread>
 
void independentThread() 
{
    std::cout << "Starting concurrent thread.\n";
    std::this_thread::sleep_for(std::chrono::seconds(2));
    std::cout << "Exiting concurrent thread.\n";
}
 
void threadCaller() 
{
    std::cout << "Starting thread caller.\n";
    std::thread t(independentThread);
    t.detach();
    std::this_thread::sleep_for(std::chrono::seconds(1));
    std::cout << "Exiting thread caller.\n";
}
 
int main() 
{
    threadCaller();
    std::this_thread::sleep_for(std::chrono::seconds(5));
}

可能的输出:

Starting thread caller.
Starting concurrent thread.
Exiting thread caller.
Exiting concurrent thread.

[编辑] 引用

  • C++11 standard (ISO/IEC 14882:2011):
  • 30.3.1.5 thread members [thread.thread.member]

[编辑] 参阅

等待线程完成其执行
(公开成员函数) [编辑]
检查线程是否可合并,即潜在地运行于平行环境中
(公开成员函数) [编辑]
thrd_detachC 文档