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Diffstat (limited to 'lib/libc/compat-43/sigpause.2')
-rw-r--r-- | lib/libc/compat-43/sigpause.2 | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/lib/libc/compat-43/sigpause.2 b/lib/libc/compat-43/sigpause.2 new file mode 100644 index 0000000..166fda3 --- /dev/null +++ b/lib/libc/compat-43/sigpause.2 @@ -0,0 +1,75 @@ +.\" Copyright (c) 1983, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)sigpause.2 8.1 (Berkeley) 6/2/93 +.\" $FreeBSD$ +.\" +.Dd June 2, 1993 +.Dt SIGPAUSE 2 +.Os BSD 4 +.Sh NAME +.Nm sigpause +.Nd atomically release blocked signals and wait for interrupt +.Sh SYNOPSIS +.Fd #include <signal.h> +.Ft int +.Fn sigpause "int sigmask" +.Sh DESCRIPTION +.Sy This interface is made obsolete by +.Xr sigsuspend 2 . +.Pp +.Fn Sigpause +assigns +.Fa sigmask +to the set of masked signals +and then waits for a signal to arrive; +on return the set of masked signals is restored. +.Fa Sigmask +is usually 0 to indicate that no +signals are to be blocked. +.Fn Sigpause +always terminates by being interrupted, returning -1 with +.Va errno +set to +.Dv EINTR +.Sh SEE ALSO +.Xr kill 2 , +.Xr sigaction 2 , +.Xr sigblock 2 , +.Xr sigprocmask 2 , +.Xr sigsuspend 2 , +.Xr sigvec 2 +.Sh HISTORY +The +.Fn sigpause +function call appeared in +.Bx 4.2 +and has been deprecated. |