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PAUSE(3) FreeBSD 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() system call first appeared in the Programmer's Workbench (PWB/UNIX) and was then ported to Version 7 AT&T UNIX. It was reimplemeted as a wrapper around the sigpause() and sigblock() system calls in 4.2BSD, and around the sigsuspend(2) and sigprocmask(2) system calls in 4.3BSD-Reno. FreeBSD 14.1-RELEASE-p8 April 3, 2022 FreeBSD 14.1-RELEASE-p8