1/* Pthreads test program.
2   Copyright 1996-2020 Free Software Foundation, Inc.
3
4   Written by Keith Seitz of Red Hat.
5   Copied from gdb.threads/pthreads.c.
6   Contributed by Red Hat.
7
8   This file is part of GDB.
9
10   This program is free software; you can redistribute it and/or modify
11   it under the terms of the GNU General Public License as published by
12   the Free Software Foundation; either version 3 of the License, or
13   (at your option) any later version.
14
15   This program is distributed in the hope that it will be useful,
16   but WITHOUT ANY WARRANTY; without even the implied warranty of
17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18   GNU General Public License for more details.
19
20   You should have received a copy of the GNU General Public License
21   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
22
23#include <stdio.h>
24#include <stdlib.h>
25#include <pthread.h>
26#include <unistd.h>
27
28void *
29routine (void *arg)
30{
31  /* When gdb is running, it sets hidden breakpoints in the thread
32     library.  The signals caused by these hidden breakpoints can
33     cause system calls such as 'sleep' to return early.  Pay attention
34     to the return value from 'sleep' to get the full sleep.  */
35  int unslept = 9;
36  while (unslept > 0)
37    unslept = sleep (unslept);
38
39  printf ("hello thread\n");
40}
41
42/* Marker function for the testsuite */
43void
44done_making_threads (void)
45{
46  /* Nothing */
47}
48
49void
50create_thread (void)
51{
52  pthread_t tid;
53
54  if (pthread_create (&tid, NULL, routine, (void *) 0xfeedface))
55    {
56      perror ("pthread_create 1");
57      exit (1);
58    }
59}
60
61int
62main (int argc, char *argv[])
63{
64  int i;
65
66  /* Create a few threads */
67  for (i = 0; i < 5; i++)
68    create_thread ();
69  done_making_threads ();
70
71  printf ("hello\n");
72  printf ("hello\n");
73  return 0;
74}
75
76