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FreeBSD 11.0 - man page for pause (freebsd section 3)

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PAUSE(3) 			   BSD Library Functions Manual 			   PAUSE(3) 

NAME
     pause -- stop until signal

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <unistd.h>

     int
     pause(void);

DESCRIPTION
     Pause is made obsolete by   sigsuspend(2) .

     The pause() function forces a process to pause until a signal is received from either the
       kill(2)  function or an interval timer.  (See   setitimer(2) .)  Upon termination of a signal
     handler started during a pause(), the pause() call will return.

RETURN VALUES
     Always returns -1.

ERRORS
     The pause() function always returns:

     [EINTR]		The call was interrupted.

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

HISTORY
     A pause() syscall appeared in Version 6 AT&T UNIX.

BSD					   June 4, 1993 				      BSD
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