pause - 等待信號

內容簡介

#include <unistd.h>

int pause(void);

描述

pause() 庫函數使調用進程（或線程）睡眠狀態，直到接收到信號，要麼終止，或導致它調用一個信號捕獲函數。

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.

錯誤

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

遵循於

SVr4, 4.3BSD, POSIX.1-2001.

另請參閱

• kill (2)

• select (2)

• signal (2)

• sigsuspend (2)