Commit | Line | Data |
---|---|---|
c72b934c AC |
1 | /* This test program is part of GDB, The GNU debugger. |
2 | ||
32d0add0 | 3 | Copyright 2004-2015 Free Software Foundation, Inc. |
c72b934c AC |
4 | |
5 | Originally written by Jeff Johnston <jjohnstn@redhat.com>, | |
6 | contributed by Red Hat | |
7 | ||
8 | This file is part of GDB. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
c72b934c | 13 | (at your option) any later version. |
a9762ec7 | 14 | |
c72b934c AC |
15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
a9762ec7 | 19 | |
c72b934c | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c72b934c AC |
22 | |
23 | #include <pthread.h> | |
24 | #include <semaphore.h> | |
25 | #include <stdio.h> | |
26 | #include <limits.h> | |
27 | #include <errno.h> | |
28 | ||
29 | sem_t semaphore; | |
30 | ||
5876f503 JK |
31 | #ifdef HAVE_TLS |
32 | __thread int tlsvar; | |
33 | #endif | |
34 | ||
c72b934c AC |
35 | void * |
36 | thread_function (void *arg) | |
37 | { | |
5876f503 JK |
38 | #ifdef HAVE_TLS |
39 | tlsvar = 2; | |
40 | #endif | |
c72b934c AC |
41 | while (sem_wait (&semaphore) != 0) |
42 | { | |
43 | if (errno != EINTR) | |
44 | { | |
45 | perror ("thread_function"); | |
41f1ada5 | 46 | return NULL; |
c72b934c AC |
47 | } |
48 | } | |
b8b91e98 | 49 | printf ("Thread executing\n"); /* tlsvar-is-set */ |
c72b934c AC |
50 | return NULL; |
51 | } | |
52 | ||
53 | int | |
54 | main (int argc, char **argv) | |
55 | { | |
56 | pthread_attr_t attr; | |
57 | ||
58 | pthread_attr_init (&attr); | |
59 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN); | |
60 | ||
61 | if (sem_init (&semaphore, 0, 0) == -1) | |
62 | { | |
63 | perror ("semaphore"); | |
64 | return -1; | |
65 | } | |
66 | ||
5876f503 JK |
67 | #ifdef HAVE_TLS |
68 | tlsvar = 1; | |
69 | #endif | |
c72b934c AC |
70 | |
71 | /* Create a thread, wait for it to complete. */ | |
72 | { | |
73 | pthread_t thread; | |
74 | pthread_create (&thread, &attr, thread_function, NULL); | |
75 | sem_post (&semaphore); | |
76 | pthread_join (thread, NULL); | |
77 | } | |
78 | ||
79 | pthread_attr_destroy (&attr); | |
80 | return 0; | |
81 | } |