bsd man page for pause

PAUSE(3C)																 PAUSE(3C)

NAME
       pause - stop until signal

SYNOPSIS
       pause()

DESCRIPTION
       Pause  never  returns  normally.   It  is  used	to  give  up  control  while  waiting  for a signal from kill(2) or an interval timer, see
       setitimer(2).  Upon termination of a signal handler started during a pause, the pause call will return.

RETURN VALUE
       Always returns -1.

ERRORS
       Pause always returns:

       [EINTR]	      The call was interrupted.

SEE ALSO
       kill(2), select(2), sigpause(2)

4th Berkeley Distribution					    May 9, 1985 							 PAUSE(3C)