1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "exit.h"
#ifdef HAVE_GNU_LD
#include "set-hooks.h"
DEFINE_HOOK (__libc_atexit, (void))
#endif
/* Call all functions registered with `atexit' and `on_exit',
in the reverse of the order in which they were registered
perform stdio cleanup, and terminate program execution with STATUS. */
void
exit (int status)
{
const struct exit_function_list *l;
for (l = __exit_funcs; l != NULL; l = l->next)
{
size_t i = l->idx;
while (i-- > 0)
{
const struct exit_function *const f = &l->fns[i];
switch (f->flavor)
{
case ef_free:
case ef_us:
break;
case ef_on:
(*f->func.on.fn) (status, f->func.on.arg);
break;
case ef_at:
(*f->func.at) ();
break;
}
}
}
#ifdef HAVE_GNU_LD
RUN_HOOK (__libc_atexit, ());
#else
{
extern void _cleanup (void);
_cleanup ();
}
#endif
_exit (status);
}
|
GitWeb
