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
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2008-2019 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef USE_THREADS
#include <pthread.h>
#endif
void action(int sig, siginfo_t * info, void *uc)
{
raise (SIGALRM);
}
static void *func (void *arg)
{
struct sigaction act;
memset (&act, 0, sizeof(struct sigaction));
act.sa_sigaction = action;
act.sa_flags = SA_RESTART;
sigaction (SIGALRM, &act, 0);
raise (SIGALRM);
/* We must not get past this point, either in a free standing or debugged
state. */
abort ();
/* NOTREACHED */
return NULL;
}
int main ()
{
#ifndef USE_THREADS
func (NULL);
#else
pthread_t th;
pthread_create (&th, NULL, func, NULL);
pthread_join (th, NULL);
#endif
return 0;
}
|
