xref: /freebsd/lib/libc/gen/posix_spawn_file_actions_init.3 (revision 911f0260390e18cf85f3dbf2c719b593efdc1e3c)
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
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.\" $FreeBSD$
36.\"
37.Dd November 28, 2021
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_addclosefrom_np 3 ,
87.Xr posix_spawn_file_actions_adddup2 3 ,
88.Xr posix_spawn_file_actions_addopen 3 ,
89.Xr posix_spawnp 3
90.Sh STANDARDS
91The
92.Fn posix_spawn_file_actions_init
93and
94.Fn posix_spawn_file_actions_destroy
95functions conform to
96.St -p1003.1-2001 .
97.Sh HISTORY
98The
99.Fn posix_spawn_file_actions_init
100and
101.Fn posix_spawn_file_actions_destroy
102functions first appeared in
103.Fx 8.0 .
104.Sh AUTHORS
105.An \&Ed Schouten Aq Mt ed@FreeBSD.org
106