1/* Copyright 2022-2024 Free Software Foundation, Inc.
2
3   This file is part of GDB.
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 <unistd.h>
20
21#define NUM_THREADS 3
22
23int
24is_matching_tid (int *tid_ptr, int tid_value)
25{
26  return *tid_ptr == tid_value;
27}
28
29int
30return_true ()
31{
32  return 1;
33}
34
35int
36return_false ()
37{
38  return 0;
39}
40
41int
42function_that_segfaults ()
43{
44  int *p = 0;
45  *p = 1;	/* Segfault happens here.   */
46}
47
48int
49function_with_breakpoint ()
50{
51  return 1;	/* Nested breakpoint.  */
52}
53
54void *
55worker_func (void *arg)
56{
57  int a = 42;	/* Breakpoint here.  */
58}
59
60void
61stop_marker ()
62{
63  int b = 99;	/* Stop marker.  */
64}
65
66int
67main ()
68{
69  pthread_t threads[NUM_THREADS];
70  int args[NUM_THREADS];
71
72  alarm (300);
73
74  for (int i = 0; i < NUM_THREADS; i++)
75    {
76      args[i] = i;
77      pthread_create (&threads[i], NULL, worker_func, &args[i]);
78    }
79
80  for (int i = 0; i < NUM_THREADS; i++)
81    {
82      void *retval;
83      pthread_join (threads[i], &retval);
84    }
85
86  stop_marker ();
87
88  return 0;
89}
90