SIGPAUSE(3) NetBSD Library Functions Manual SIGPAUSE(3)
sigpause -- atomically release blocked signals and wait for interrupt
Standard C Library (libc, -lc)
#include <signal.h> int sigpause(int sigmask);
This interface is made obsolete by sigsuspend(2). sigpause() assigns sigmask to the set of masked signals and then waits for a signal to arrive; on return the set of masked signals is restored. sigmask is usually 0 to indicate that no signals are to be blocked. sigpause() always terminates by being interrupted, returning -1 with errno set to EINTR.
kill(2), sigaction(2), sigprocmask(2), sigsuspend(2), sigblock(3), sigvec(3)
The sigpause() function call appeared in 4.2BSD and has been deprecated. NetBSD 8.1 June 2, 1993 NetBSD 8.1
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