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42a4f53d | 1 | /* Copyright 2007-2019 Free Software Foundation, Inc. |
0e5bf2a8 PA |
2 | |
3 | This program is free software; you can redistribute it and/or modify | |
4 | it under the terms of the GNU General Public License as published by | |
5 | the Free Software Foundation; either version 3 of the License, or | |
6 | (at your option) any later version. | |
7 | ||
8 | This program is distributed in the hope that it will be useful, | |
9 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | GNU General Public License for more details. | |
12 | ||
13 | You should have received a copy of the GNU General Public License | |
14 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
15 | ||
16 | #include <pthread.h> | |
17 | #include <assert.h> | |
18 | #include <unistd.h> | |
19 | ||
20 | static volatile pthread_t main_thread; | |
21 | pthread_barrier_t barrier; | |
22 | ||
23 | static void * | |
24 | thread_a (void *arg) | |
25 | { | |
26 | int i; | |
27 | ||
28 | return 0; /* break-here */ | |
29 | } | |
30 | ||
31 | static void * | |
32 | thread_b (void *arg) | |
33 | { | |
34 | int i; | |
35 | ||
36 | pthread_barrier_wait (&barrier); | |
37 | ||
38 | i = pthread_join (main_thread, NULL); | |
39 | assert (i == 0); | |
40 | ||
41 | return arg; | |
42 | } | |
43 | ||
44 | int | |
45 | main (void) | |
46 | { | |
47 | pthread_t thread; | |
48 | int i; | |
49 | ||
50 | /* First test resuming only `thread_a', which exits. */ | |
51 | i = pthread_create (&thread, NULL, thread_a, NULL); | |
52 | assert (i == 0); | |
53 | pthread_join (thread, NULL); | |
54 | ||
55 | /* Then test resuming only the leader, which also exits. */ | |
56 | main_thread = pthread_self (); | |
57 | ||
58 | pthread_barrier_init (&barrier, NULL, 2); | |
59 | ||
60 | i = pthread_create (&thread, NULL, thread_b, NULL); | |
61 | assert (i == 0); | |
62 | ||
63 | pthread_barrier_wait (&barrier); | |
64 | ||
65 | pthread_exit (NULL); /* break-here-2 */ | |
66 | /* NOTREACHED */ | |
67 | return 0; | |
68 | } |