1/* This testcase is part of GDB, the GNU debugger.
2
3   Copyright 2008-2020 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18#include <signal.h>
19#include <unistd.h>
20#include <string.h>
21#include <stdio.h>
22#include <stdlib.h>
23#ifdef USE_THREADS
24#include <pthread.h>
25#endif
26
27void action(int sig, siginfo_t * info, void *uc)
28{
29  raise (SIGALRM);
30}
31
32static void *func (void *arg)
33{
34  struct sigaction act;
35
36  memset (&act, 0, sizeof(struct sigaction));
37  act.sa_sigaction = action;
38  act.sa_flags = SA_RESTART;
39  sigaction (SIGALRM, &act, 0);
40
41  raise (SIGALRM);
42
43  /* We must not get past this point, either in a free standing or debugged
44     state.  */
45
46  abort ();
47  /* NOTREACHED */
48  return NULL;
49}
50
51int main ()
52{
53
54#ifndef USE_THREADS
55
56  func (NULL);
57
58#else
59
60  pthread_t th;
61  pthread_create (&th, NULL, func, NULL);
62  pthread_join (th, NULL);
63
64#endif
65
66  return 0;
67}
68