blob: 882ae828214a7c2a3defe8e798ecf4d843682434 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2014 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <unistd.h>
#include <stdlib.h>
pthread_barrier_t barrier;
pthread_t child_thread;
volatile unsigned int counter = 1;
void *
child_function (void *arg)
{
pthread_barrier_wait (&barrier);
while (counter > 0)
{
counter++;
asm (" nop"); /* set breakpoint child here */
asm (" nop"); /* set breakpoint after step-over here */
usleep (1);
}
pthread_exit (NULL);
}
static int
wait_threads (void)
{
return 1; /* in wait_threads */
}
int
main ()
{
int res;
long i;
pthread_barrier_init (&barrier, NULL, 2);
res = pthread_create (&child_thread, NULL, child_function, NULL);
pthread_barrier_wait (&barrier);
wait_threads (); /* set wait-thread breakpoint here */
pthread_join (child_thread, NULL);
exit (EXIT_SUCCESS);
}
|
