Add manual pages for posix_spawn() functions.

PR:	standards/122051

1 files changed, 98 insertions, 0 deletions

diff --git a/lib/libc/gen/posix_spawnattr_getsigmask.3 b/lib/libc/gen/posix_spawnattr_getsigmask.3
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+.\" Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+.\"
+.\" Portions of this text are reprinted and reproduced in electronic form
+.\" from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology --
+.\" Portable Operating System Interface (POSIX), The Open Group Base
+.\" Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of
+.\" Electrical and Electronics Engineers, Inc and The Open Group.  In the
+.\" event of any discrepancy between this version and the original IEEE and
+.\" The Open Group Standard, the original IEEE and The Open Group Standard is
+.\" the referee document.  The original Standard can be obtained online at
+.\"	http://www.opengroup.org/unix/online.html.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd Mar 24, 2008
+.Dt POSIX_SPAWNATTR_GETSIGMASK 3
+.Os
+.Sh NAME
+.Nm posix_spawnattr_getsigmask ,
+.Nm posix_spawnattr_setsigmask
+.Nd "get and set the spawn-sigmask attribute of a spawn attributes object"
+.Sh LIBRARY
+.Lb libc
+.Sh SYNOPSIS
+.In spawn.h
+.Ft int
+.Fn posix_spawnattr_getsigmask "const posix_spawnattr_t *restrict attr" "sigset_t *restrict sigmask"
+.Ft int
+.Fn posix_spawnattr_setsigmask "posix_spawnattr_t *attr" "const sigset_t *restrict sigmask"
+.Sh DESCRIPTION
+The
+.Fn posix_spawnattr_getsigmask
+function obtains the value of the spawn-sigmask attribute from the
+attributes object referenced by
+.Fa attr .
+.Pp
+The
+.Fn posix_spawnattr_setsigmask
+function sets the spawn-sigmask attribute in an initialized attributes
+object referenced by
+.Fa attr .
+.Pp
+The spawn-sigmask attribute represents the signal mask in effect in the
+new process image of a spawn operation (if
+.Dv POSIX_SPAWN_SETSIGMASK
+is set in the spawn-flags attribute).
+The default value of this attribute is unspecified.
+.Sh RETURN VALUES
+The
+.Fn posix_spawnattr_getsigmask
+and
+.Fn posix_spawnattr_setsigmask
+functions return zero.
+.Sh SEE ALSO
+.Xr posix_spawn 3 ,
+.Xr posix_spawnattr_destroy 3 ,
+.Xr posix_spawnattr_getsigmask 3 ,
+.Xr posix_spawnattr_init 3 ,
+.Xr posix_spawnattr_setsigmask 3 ,
+.Xr posix_spawnp 3
+.Sh STANDARDS
+The
+.Fn posix_spawnattr_getsigmask
+and
+.Fn posix_spawnattr_setsigmask
+functions conform to
+.St -p1003.1-2001 .
+.Sh HISTORY
+The
+.Fn posix_spawnattr_getsigmask
+and
+.Fn posix_spawnattr_setsigmask
+functions first appeared in
+.Fx 8.0 .
+.Sh AUTHORS
+.An Ed Schouten Aq ed@FreeBSD.org