1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)sigpause.2 8.1 (Berkeley) 06/02/93 7.\" 8.Dd 9.Dt SIGPAUSE 2 10.Os BSD 4 11.Sh NAME 12.Nm sigpause 13.Nd atomically release blocked signals and wait for interrupt 14.Sh SYNOPSIS 15.Fd #include <signal.h> 16.Ft int 17.Fn sigpause "int sigmask" 18.Sh DESCRIPTION 19.Sy This interface is made obsolete by 20.Xr sigsuspend 2 . 21.Pp 22.Fn Sigpause 23assigns 24.Fa sigmask 25to the set of masked signals 26and then waits for a signal to arrive; 27on return the set of masked signals is restored. 28.Fa Sigmask 29is usually 0 to indicate that no 30signals are to be blocked. 31.Fn Sigpause 32always terminates by being interrupted, returning -1 with 33.Va errno 34set to 35.Dv EINTR 36.Sh SEE ALSO 37.Xr sigsuspend 2 , 38.Xr kill 2 , 39.Xr sigaction 2 , 40.Xr sigprocmask 2 , 41.Xr sigblock 2 , 42.Xr sigvec 2 43.Sh HISTORY 44The 45.Nm 46function call appeared in 47.Bx 4.2 48and has been deprecated. 49