1/* This testcase is part of GDB, the GNU debugger.
2
3   Copyright 2002-2020 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*/
19
20#include <unistd.h>
21#include <stdlib.h>
22#include <pthread.h>
23
24unsigned int args[2];
25int trigger = 0;
26
27void *
28thread_function0 (void *arg)
29{
30  int my_number =  (long) arg;
31  volatile int *myp = (volatile int *) &args[my_number];
32
33  while (*myp > 0)
34    {
35      (*myp) ++;
36      usleep (1);  /* Loop increment 1.  */
37    }
38
39  return NULL;
40}
41
42void *
43thread_function0_1 (void *arg)
44{
45  void *ret = thread_function0 (arg);
46
47  return ret; /* set breakpoint here */
48}
49
50void *
51thread_function1 (void *arg)
52{
53  int my_number =  (long) arg;
54
55  volatile int *myp = (volatile int *) &args[my_number];
56
57  while (*myp > 0)
58    {
59      (*myp) ++;
60      usleep (1);  /* Loop increment 2.  */
61    }
62
63  return NULL;
64}
65
66int
67main ()
68{
69  int res;
70  pthread_t threads[2];
71  void *thread_result;
72  long i = 0;
73
74  args[i] = 1; /* Init value.  */
75  res = pthread_create (&threads[i], NULL,
76			thread_function0_1,
77			(void *) i);
78
79  i++;
80  args[i] = 1; /* Init value.  */
81  res = pthread_create(&threads[i], NULL,
82		       thread_function1,
83		       (void *) i);
84
85  pthread_join (threads[0], &thread_result);
86  pthread_join (threads[1], &thread_result);
87  exit(EXIT_SUCCESS);
88}
89