xref: /dflybsd-src/lib/libc/gen/posix_spawn_file_actions_init.3 (revision c9c6988b3417c76f002af80950e0b3264917d3b1)

.\" Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
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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_spawn_file_actions_init.3,v 1.1 2008/07/28 02:22:19 davidxu Exp $
.\"
.Dd April 7, 2009
.Dt POSIX_SPAWN_FILE_ACTIONS_INIT 3
.Os
.Sh NAME
.Nm posix_spawn_file_actions_init ,
.Nm posix_spawn_file_actions_destroy
.Nd "initialize and destroy spawn file actions object"
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In spawn.h
.Ft int
.Fn posix_spawn_file_actions_init "posix_spawn_file_actions_t * file_actions"
.Ft int
.Fn posix_spawn_file_actions_destroy "posix_spawn_file_actions_t * file_actions"
.Sh DESCRIPTION
The
.Fn posix_spawn_file_actions_init
function initialize the object referenced by
.Fa file_actions
to contain no file actions for
.Fn posix_spawn
or
.Fn posix_spawnp .
Initializing an already initialized spawn file actions object may cause
memory to be leaked.
.Pp
The
.Fn posix_spawn_file_actions_destroy
function destroy the object referenced by
.Fa file_actions ;
the object becomes, in effect, uninitialized.
A destroyed spawn file actions object can be reinitialized using
.Fn posix_spawn_file_actions_init .
The object should not be used after it has been destroyed.
.Sh RETURN VALUES
Upon successful completion, these functions return zero;
otherwise, an error number is returned to indicate the error.
.Sh ERRORS
The
.Fn posix_spawn_file_actions_init
function will fail if:
.Bl -tag -width Er
.It Bq Er ENOMEM
Insufficient memory exists to initialize the spawn file actions object.
.El
.Sh SEE ALSO
.Xr posix_spawn 3 ,
.Xr posix_spawn_file_actions_addclose 3 ,
.Xr posix_spawn_file_actions_adddup2 3 ,
.Xr posix_spawn_file_actions_addopen 3 ,
.Xr posix_spawnp 3
.Sh STANDARDS
The
.Fn posix_spawn_file_actions_init
and
.Fn posix_spawn_file_actions_destroy
functions conform to
.St -p1003.1-2001 .
.Sh HISTORY
The
.Fn posix_spawn_file_actions_init
and
.Fn posix_spawn_file_actions_destroy
functions first appeared in
.Fx 8.0 .
.Sh AUTHORS
.An \&Ed Schouten Aq Mt ed@FreeBSD.org