xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.threads/attach-non-stop.c (revision f8cf1a9151c7af1cb0bd8b09c13c66bca599c027)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2021-2023 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 #define _GNU_SOURCE
19 #include <assert.h>
20 #include <pthread.h>
21 #include <unistd.h>
22 
23 /* Number of threads we'll create.  */
24 static const int n_threads = 10;
25 
26 /* Entry point for threads.  Loops forever.  */
27 
28 void *
29 thread_func (void *arg)
30 {
31   while (1)
32     sleep (1);
33 
34   return NULL;
35 }
36 
37 int
38 main (int argc, char **argv)
39 {
40   int i;
41 
42   alarm (30);
43 
44   /* Spawn the test threads.  */
45   for (i = 0; i < n_threads; ++i)
46     {
47       pthread_t child;
48       int rc;
49 
50       rc = pthread_create (&child, NULL, thread_func, NULL);
51       assert (rc == 0);
52     }
53 
54   while (1)
55     sleep (1);
56 
57   return 0;
58 }
59