Pause () function __ function

Only EINTR has a signal arrival interrupt this function execution.
Header files: #include <unistd.h>
Definition function: int pause (void);
Function Description: Pause () will suspend the current process (go to sleep state) until it is interrupted by a signal (signal).

Return value: Returns only-1.

Pause-Waiting signal content introduction #include <unistd.h>

int pause (void); Description Pause () The library function causes the calling process (or thread) to sleep until it receives a signal, terminates it, or causes it to call a signal capture function. return value The pause () function is returns when a signal is caught and the signal-catching function returned. In the case pause () returns-1, and errno are set to eintr . Error

label	Description
eintr	A signal was caught and the signal-catching function returned.

Follow theSVR4, 4.3BSD, posix.1-2001. See also

Kill (2)

Select (2)

Signal (2)

Sigsuspend (2) Related functions: Kill, Signal, sleep

Header files: #include <unistd.h>

Definition function: int pause (void);

Function Description: Pause () will suspend the current process (go to sleep state) until it is interrupted by a signal (signal).

Return value: Returns only-1.

Error code: EINTR has a signal arrival interrupt this function.