1.\" Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
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13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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25.\" Portions of this text are reprinted and reproduced in electronic form
26.\" from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology --
27.\" Portable Operating System Interface (POSIX), The Open Group Base
28.\" Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of
29.\" Electrical and Electronics Engineers, Inc and The Open Group.  In the
30.\" event of any discrepancy between this version and the original IEEE and
31.\" The Open Group Standard, the original IEEE and The Open Group Standard is
32.\" the referee document.  The original Standard can be obtained online at
33.\"	http://www.opengroup.org/unix/online.html.
34.\"
35.\" $FreeBSD: src/lib/libc/gen/posix_spawn_file_actions_init.3,v 1.1 2008/07/28 02:22:19 davidxu Exp $
36.\"
37.Dd April 7, 2009
38.Dt POSIX_SPAWN_FILE_ACTIONS_INIT 3
39.Os
40.Sh NAME
41.Nm posix_spawn_file_actions_init ,
42.Nm posix_spawn_file_actions_destroy
43.Nd "initialize and destroy spawn file actions object"
44.Sh LIBRARY
45.Lb libc
46.Sh SYNOPSIS
47.In spawn.h
48.Ft int
49.Fn posix_spawn_file_actions_init "posix_spawn_file_actions_t * file_actions"
50.Ft int
51.Fn posix_spawn_file_actions_destroy "posix_spawn_file_actions_t * file_actions"
52.Sh DESCRIPTION
53The
54.Fn posix_spawn_file_actions_init
55function initialize the object referenced by
56.Fa file_actions
57to contain no file actions for
58.Fn posix_spawn
59or
60.Fn posix_spawnp .
61Initializing an already initialized spawn file actions object may cause
62memory to be leaked.
63.Pp
64The
65.Fn posix_spawn_file_actions_destroy
66function destroy the object referenced by
67.Fa file_actions ;
68the object becomes, in effect, uninitialized.
69A destroyed spawn file actions object can be reinitialized using
70.Fn posix_spawn_file_actions_init .
71The object should not be used after it has been destroyed.
72.Sh RETURN VALUES
73Upon successful completion, these functions return zero;
74otherwise, an error number is returned to indicate the error.
75.Sh ERRORS
76The
77.Fn posix_spawn_file_actions_init
78function will fail if:
79.Bl -tag -width Er
80.It Bq Er ENOMEM
81Insufficient memory exists to initialize the spawn file actions object.
82.El
83.Sh SEE ALSO
84.Xr posix_spawn 3 ,
85.Xr posix_spawn_file_actions_addclose 3 ,
86.Xr posix_spawn_file_actions_adddup2 3 ,
87.Xr posix_spawn_file_actions_addopen 3 ,
88.Xr posix_spawnp 3
89.Sh STANDARDS
90The
91.Fn posix_spawn_file_actions_init
92and
93.Fn posix_spawn_file_actions_destroy
94functions conform to
95.St -p1003.1-2001 .
96.Sh HISTORY
97The
98.Fn posix_spawn_file_actions_init
99and
100.Fn posix_spawn_file_actions_destroy
101functions first appeared in
102.Fx 8.0 .
103.Sh AUTHORS
104.An Ed Schouten Aq ed@FreeBSD.org
105