|File: [cvs.NetBSD.org] / src / lib / libc / gen / posix_spawnattr_init.3 (download)
Revision 1.2, Fri Mar 23 18:08:35 2012 UTC (2 years, 11 months ago) by njoly
CVS Tags: yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, riastradh-drm2-base, agc-symver-base, agc-symver
Branch point for: yamt-pagecache, tls-maxphys, riastradh-drm2
Changes since 1.1: +2 -2
Use major.minor for NetBSD versions.
.\" $NetBSD: posix_spawnattr_init.3,v 1.2 2012/03/23 18:08:35 njoly Exp $
.\" 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
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.\" 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
.\" $FreeBSD: src/lib/libc/gen/posix_spawnattr_init.3,v 188.8.131.52.4.1 2010/06/14 02:09:06 kensmith Exp $
.Dd December 20, 2011
.Dt POSIX_SPAWNATTR_INIT 3
.Nm posix_spawnattr_init ,
.Nd "initialize and destroy spawn attributes object"
.Fn posix_spawnattr_init "posix_spawnattr_t * attr"
.Fn posix_spawnattr_destroy "posix_spawnattr_t * attr"
function initializes a spawn attributes object
with the default value for all of the individual attributes used by the
Initializing an already initialized spawn attributes object may cause
memory to be leaked.
function destroys a spawn attributes object.
attributes object can be reinitialized using
.Fn posix_spawnattr_init .
The object should not be used after it has been destroyed.
A spawn attributes object is of type
.In spawn.h )
and is used to specify the inheritance of process attributes across a
The resulting spawn attributes object (possibly modified by setting
individual attribute values), is used to modify the behavior of
.Fn posix_spawnp .
After a spawn attributes object has been used to spawn a process by a
call to a
.Fn posix_spawnp ,
any function affecting the attributes object (including destruction)
will not affect any process that has been spawned in this way.
.Sh RETURN VALUES
Upon successful completion,
otherwise, an error number is returned to indicate the error.
function will fail if:
.Bl -tag -width Er
.It Bq Er ENOMEM
Insufficient memory exists to initialize the spawn file actions object.
.Sh SEE ALSO
.Xr posix_spawn 3 ,
.Xr posix_spawnp 3
functions conform to
.St -p1003.1-2001 .
functions first appeared in
and imported for
.Nx 6.0 .
.An Ed Schouten Aq ed@FreeBSD.org