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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2002-2016 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 <unistd.h>
#include <stdlib.h>
#include <pthread.h>
unsigned int args[2];
int trigger = 0;
void *
thread_function0 (void *arg)
{
int my_number = (long) arg;
volatile int *myp = (volatile int *) &args[my_number];
while (*myp > 0)
{
(*myp) ++;
usleep (1); /* Loop increment 1. */
}
return NULL;
}
void *
thread_function0_1 (void *arg)
{
void *ret = thread_function0 (arg);
return ret; /* set breakpoint here */
}
void *
thread_function1 (void *arg)
{
int my_number = (long) arg;
volatile int *myp = (volatile int *) &args[my_number];
while (*myp > 0)
{
(*myp) ++;
usleep (1); /* Loop increment 2. */
}
return NULL;
}
int
main ()
{
int res;
pthread_t threads[2];
void *thread_result;
long i = 0;
args[i] = 1; /* Init value. */
res = pthread_create (&threads[i], NULL,
thread_function0_1,
(void *) i);
i++;
args[i] = 1; /* Init value. */
res = pthread_create(&threads[i], NULL,
thread_function1,
(void *) i);
pthread_join (threads[0], &thread_result);
pthread_join (threads[1], &thread_result);
exit(EXIT_SUCCESS);
}
|
