xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.multi/multi-attach.c (revision 8b657b0747480f8989760d71343d6dd33f8d4cf9)
1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2007-2023 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 /* This program is intended to be started outside of gdb, and then
19    attached to by gdb.  It loops for a while, but not forever.  */
20 
21 #include <unistd.h>
22 #include <pthread.h>
23 
24 static void *
25 thread_func (void *arg)
26 {
27   int i;
28 
29   for (i = 0; i < 120; i++)
30     sleep (1);
31 
32   return NULL;
33 }
34 
35 int main ()
36 {
37   int i;
38   pthread_t thread;
39 
40   pthread_create (&thread, NULL, thread_func, NULL);
41 
42   for (i = 0; i < 120; i++)
43     sleep (1);
44 
45   pthread_join (thread, NULL);
46 
47   return 0;
48 }
49