1/* This testcase is part of GDB, the GNU debugger.
2
3   Copyright 2013-2020 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 <pthread.h>
19#include <signal.h>
20#include <unistd.h>
21
22static pthread_t main_thread;
23
24static void *
25start (void *arg)
26{
27  /* A signal whose default action is ignore.  */
28  pthread_kill (main_thread, SIGCHLD);
29
30  while (1)
31    sleep (1); /* set break here */
32  return NULL;
33}
34
35int
36main (void)
37{
38  unsigned int counter = 1;
39  pthread_t thread;
40
41  main_thread = pthread_self ();
42  pthread_create (&thread, NULL, start, NULL);
43
44  while (counter != 0)
45    counter++; /* set break 2 here */
46
47  return 0;
48}
49