diff options
Diffstat (limited to 'src/lib/libc/stdlib/exit.3')
-rw-r--r-- | src/lib/libc/stdlib/exit.3 | 66 |
1 files changed, 48 insertions, 18 deletions
diff --git a/src/lib/libc/stdlib/exit.3 b/src/lib/libc/stdlib/exit.3 index adb81ffcb4..fa233ac75f 100644 --- a/src/lib/libc/stdlib/exit.3 +++ b/src/lib/libc/stdlib/exit.3 | |||
@@ -13,11 +13,7 @@ | |||
13 | .\" 2. Redistributions in binary form must reproduce the above copyright | 13 | .\" 2. Redistributions in binary form must reproduce the above copyright |
14 | .\" notice, this list of conditions and the following disclaimer in the | 14 | .\" notice, this list of conditions and the following disclaimer in the |
15 | .\" documentation and/or other materials provided with the distribution. | 15 | .\" documentation and/or other materials provided with the distribution. |
16 | .\" 3. All advertising materials mentioning features or use of this software | 16 | .\" 3. Neither the name of the University nor the names of its contributors |
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 | 17 | .\" may be used to endorse or promote products derived from this software |
22 | .\" without specific prior written permission. | 18 | .\" without specific prior written permission. |
23 | .\" | 19 | .\" |
@@ -33,25 +29,30 @@ | |||
33 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
34 | .\" SUCH DAMAGE. | 30 | .\" SUCH DAMAGE. |
35 | .\" | 31 | .\" |
36 | .\" from: @(#)exit.3 6.6 (Berkeley) 6/29/91 | 32 | .\" $OpenBSD: exit.3,v 1.10 2004/05/03 17:21:13 millert Exp $ |
37 | .\" $Id: exit.3,v 1.1.1.1 1995/10/18 08:42:17 deraadt Exp $ | ||
38 | .\" | 33 | .\" |
39 | .Dd June 29, 1991 | 34 | .Dd January 21, 2004 |
40 | .Dt EXIT 3 | 35 | .Dt EXIT 3 |
41 | .Os | 36 | .Os |
42 | .Sh NAME | 37 | .Sh NAME |
43 | .Nm exit | 38 | .Nm exit, _Exit |
44 | .Nd perform normal program termination | 39 | .Nd perform normal program termination |
45 | .Sh SYNOPSIS | 40 | .Sh SYNOPSIS |
46 | .Fd #include <stdlib.h> | 41 | .Fd #include <stdlib.h> |
47 | .Ft void | 42 | .Ft void |
48 | .Fn exit "int status" | 43 | .Fn exit "int status" |
44 | .Ft void | ||
45 | .Fn _Exit "int status" | ||
49 | .Sh DESCRIPTION | 46 | .Sh DESCRIPTION |
50 | .Fn Exit | 47 | The |
51 | terminates a process. | 48 | .Fn exit |
49 | and | ||
50 | .Fn _Exit | ||
51 | functions terminate a process. | ||
52 | .Pp | 52 | .Pp |
53 | Before termination it performs the following functions in the | 53 | Before termination, |
54 | order listed: | 54 | .Fn exit |
55 | performs the following operations in the order listed: | ||
55 | .Bl -enum -offset indent | 56 | .Bl -enum -offset indent |
56 | .It | 57 | .It |
57 | Call the functions registered with the | 58 | Call the functions registered with the |
@@ -66,19 +67,48 @@ Unlink all files created with the | |||
66 | .Xr tmpfile 3 | 67 | .Xr tmpfile 3 |
67 | function. | 68 | function. |
68 | .El | 69 | .El |
70 | .Pp | ||
71 | The | ||
72 | .Fn _Exit | ||
73 | function terminates without calling the functions registered with the | ||
74 | .Xr atexit 3 | ||
75 | function. | ||
76 | The | ||
77 | .Ox | ||
78 | implementation of | ||
79 | .Fn _Exit | ||
80 | does not flush open output streams or unlink files created with the | ||
81 | .Xr tmpfile 3 | ||
82 | function. | ||
83 | However, this behavior is implementation-specific. | ||
84 | .Pp | ||
85 | Lastly, | ||
86 | .Fn exit | ||
87 | and | ||
88 | .Fn _Exit | ||
89 | call | ||
90 | .Xr _exit 2 . | ||
91 | Note that typically | ||
92 | .Xr _exit 2 | ||
93 | only passes the lower 8 bits of | ||
94 | .Fa status | ||
95 | on to the parent, thus negative values have less meaning. | ||
69 | .Sh RETURN VALUES | 96 | .Sh RETURN VALUES |
70 | The | 97 | The |
71 | .Fn exit | 98 | .Fn exit |
72 | function | 99 | and |
73 | never returns. | 100 | .Fn _Exit |
101 | functions never return. | ||
74 | .Sh SEE ALSO | 102 | .Sh SEE ALSO |
75 | .Xr _exit 2 , | 103 | .Xr _exit 2 , |
76 | .Xr atexit 3 , | 104 | .Xr atexit 3 , |
77 | .Xr intro 3 , | 105 | .Xr intro 3 , |
106 | .Xr sysexits 3 , | ||
78 | .Xr tmpfile 3 | 107 | .Xr tmpfile 3 |
79 | .Sh STANDARDS | 108 | .Sh STANDARDS |
80 | The | 109 | The |
81 | .Fn exit | 110 | .Fn exit |
82 | function | 111 | and |
83 | conforms to | 112 | .Fn _Exit |
84 | .St -ansiC . | 113 | functions conform to |
114 | .St -ansiC-99 . | ||