.\" $NetBSD: posix_spawnattr_init.3,v 1.3 2013/07/20 21:39:57 wiz Exp $
.\" Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
.\" All rights reserved.
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.\" 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
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.\" $FreeBSD: src/lib/libc/gen/posix_spawnattr_init.3,v 22.214.171.124.4.1 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 Mt ed@FreeBSD.org