blob: 4a904936406e6d4721734da5399ec39508576189 (
plain)
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
|
/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
int die_sleep;
#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
jmp_buf die_jmp;
#endif
void xfunc_die(void)
{
if (die_sleep) {
if (ENABLE_FEATURE_EXEC_PREFER_APPLETS && die_sleep < 0) {
/* Special case. We arrive here if NOFORK applet
* calls xfunc, which then decides to die.
* We don't die, but jump instead back to caller.
* NOFORK applets still cannot carelessly call xfuncs:
* p = xmalloc(10);
* q = xmalloc(10); // BUG! if this dies, we leak p!
*/
/* -111 means "zero" (longjmp can't pass 0)
* spawn_and_wait() catches -111. */
longjmp(die_jmp, xfunc_error_retval ? xfunc_error_retval : -111);
}
sleep(die_sleep);
}
exit(xfunc_error_retval);
}
void bb_error_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
bb_verror_msg(s, p, NULL);
va_end(p);
xfunc_die();
}
|
