summaryrefslogtreecommitdiff
path: root/src/lib/libc/stdlib/exit.3
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libc/stdlib/exit.3')
-rw-r--r--src/lib/libc/stdlib/exit.392
1 files changed, 92 insertions, 0 deletions
diff --git a/src/lib/libc/stdlib/exit.3 b/src/lib/libc/stdlib/exit.3
new file mode 100644
index 0000000000..bcfdfd38f5
--- /dev/null
+++ b/src/lib/libc/stdlib/exit.3
@@ -0,0 +1,92 @@
1.\" Copyright (c) 1990, 1991 The Regents of the University of California.
2.\" All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the American National Standards Committee X3, on Information
6.\" Processing Systems.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
9.\" modification, are permitted provided that the following conditions
10.\" are met:
11.\" 1. Redistributions of source code must retain the above copyright
12.\" notice, this list of conditions and the following disclaimer.
13.\" 2. Redistributions in binary form must reproduce the above copyright
14.\" notice, this list of conditions and the following disclaimer in the
15.\" documentation and/or other materials provided with the distribution.
16.\" 3. All advertising materials mentioning features or use of this software
17.\" must display the following acknowledgement:
18.\" This product includes software developed by the University of
19.\" California, Berkeley and its contributors.
20.\" 4. Neither the name of the University nor the names of its contributors
21.\" may be used to endorse or promote products derived from this software
22.\" without specific prior written permission.
23.\"
24.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34.\" SUCH DAMAGE.
35.\"
36.\" $OpenBSD: exit.3,v 1.6 2001/07/27 23:48:12 mpech Exp $
37.\"
38.Dd June 29, 1991
39.Dt EXIT 3
40.Os
41.Sh NAME
42.Nm exit
43.Nd perform normal program termination
44.Sh SYNOPSIS
45.Fd #include <stdlib.h>
46.Ft void
47.Fn exit "int status"
48.Sh DESCRIPTION
49The
50.Fn exit
51function terminates a process.
52.Pp
53Before termination it performs the following functions in the
54order listed:
55.Bl -enum -offset indent
56.It
57Call the functions registered with the
58.Xr atexit 3
59function, in the reverse order of their registration.
60.It
61Flush all open output streams.
62.It
63Close all open streams.
64.It
65Unlink all files created with the
66.Xr tmpfile 3
67function.
68.El
69Following this,
70.Fn exit
71calls
72.Xr _exit 2 .
73Note that typically
74.Xr exit 2
75only passes the lower 8 bits of
76.Fa status
77on to the parent, thus negative values have less meaning.
78.Sh RETURN VALUES
79The
80.Fn exit
81function never returns.
82.Sh SEE ALSO
83.Xr _exit 2 ,
84.Xr atexit 3 ,
85.Xr intro 3 ,
86.Xr sysexits 3 ,
87.Xr tmpfile 3
88.Sh STANDARDS
89The
90.Fn exit
91function conforms to
92.St -ansiC .