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
|
/* Copyright (C) 1991, 92, 94, 95, 97, 98, 2000 Free Software Foundation, Inc.
Copyright (C) 2001 Hewlett-Packard Australia
This program 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.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Derived in part from the Linux-8086 C library, the GNU C Library, and several
other sundry sources. Files within this library are copyright by their
respective copyright holders.
*/
#include <stddef.h>
#include <setjmp.h>
#include <signal.h>
extern int __longjmp(char *env, int val);
/* Set the signal mask to the one specified in ENV, and jump
to the position specified in ENV, causing the setjmp
call there to return VAL, or 1 if VAL is 0. */
void __libc_siglongjmp (sigjmp_buf env, int val)
{
if (env[0].__mask_was_saved)
/* Restore the saved signal mask. */
(void) sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
(sigset_t *) NULL);
/* Call the machine-dependent function to restore machine state. */
__longjmp ((char *) env[0].__jmpbuf, val ?: 1);
}
__asm__(".weak longjmp; longjmp = __libc_siglongjmp");
__asm__(".weak _longjmp; _longjmp = __libc_siglongjmp");
__asm__(".weak siglongjmp; siglongjmp = __libc_siglongjmp");
|
