pause - 等待信号

内容简介

#include <unistd.h>

int pause(void);

描述

pause() 库函数使调用进程（或线程）睡眠状态，直到接收到信号，要么终止，或导致它调用一个信号捕获函数。

返回值

The pause() function only returns when a signal was caught and the signal-catching function returned. In this case pause() returns -1, and errno is set to EINTR.

错误

标签	描述
EINTR	a signal was caught and the signal-catching function returned.

遵循于

SVr4, 4.3BSD, POSIX.1-2001.

另请参阅

• kill (2)

• select (2)

• signal (2)

• sigsuspend (2)