xref: /freebsd/lib/libc/gen/posix_spawn_file_actions_init.3 (revision cd0d51baaa4509a1db83251a601d34404d20c990)
1.\" Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
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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
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35.\" $FreeBSD$
36.\"
37.Dd March 24, 2008
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.Fn 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 Mt ed@FreeBSD.org
105