Manpage of PAUSE
PAUSESection: Linux Programmer's Manual (2)
NAMEpause - wait for signal
DESCRIPTIONpause() causes the calling process (or thread) to sleep until a signal is delivered that either terminates the process or causes the invocation of a signal-catching function.
RETURN VALUEpause() returns only when a signal was caught and the signal-catching function returned. In this case, pause() returns -1, and errnois set to EINTR.
- a signal was caught and the signal-catching function returned.
CONFORMING TOPOSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD.
SEE ALSOkill(2), select(2), signal(2), sigsuspend(2)
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