1 /* ----------------------------------------------------------------------- *
2 *
3 * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
4 *
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use,
9 * copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom
11 * the Software is furnished to do so, subject to the following
12 * conditions:
13 *
14 * The above copyright notice and this permission notice shall
15 * be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * ----------------------------------------------------------------------- */
27
28 /*
29 * exit.c
30 *
31 * The regular exit
32 */
33
34 #include <sys/module.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37 #include "atexit.h"
38
exit(int rv)39 __noreturn exit(int rv)
40 {
41 struct atexit *ap;
42
43 for (ap = __syslinux_current->u.x.atexit_list; ap; ap = ap->next) {
44 ap->fctn(rv, ap->arg); /* This assumes extra args are harmless */
45 }
46
47 _exit(rv);
48 }
49
_Exit(int rv)50 __noreturn _Exit(int rv)
51 {
52 _exit(rv);
53 }
54
_exit(int rv)55 __noreturn _exit(int rv)
56 {
57 longjmp(__syslinux_current->u.x.process_exit, (uint8_t)rv+1);
58 }
59
60