Line data Source code
1 : /* Test of gl_thread_create () macro.
2 : Copyright (C) 2011-2020 Free Software Foundation, Inc.
3 :
4 : This program is free software: you can redistribute it and/or modify
5 : it under the terms of the GNU General Public License as published by
6 : the Free Software Foundation; either version 3 of the License, or
7 : (at your option) any later version.
8 :
9 : This program is distributed in the hope that it will be useful,
10 : but WITHOUT ANY WARRANTY; without even the implied warranty of
11 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 : GNU General Public License for more details.
13 :
14 : You should have received a copy of the GNU General Public License
15 : along with this program. If not, see <https://www.gnu.org/licenses/>. */
16 :
17 : /* Written by Bruno Haible <bruno@clisp.org>, 2011. */
18 :
19 : #include <config.h>
20 :
21 : #include "glthread/thread.h"
22 :
23 : #include <stdio.h>
24 : #include <string.h>
25 :
26 : #include "macros.h"
27 :
28 : static gl_thread_t main_thread_before;
29 : static gl_thread_t main_thread_after;
30 : static gl_thread_t worker_thread;
31 :
32 : static int dummy;
33 : static volatile int work_done;
34 :
35 : static void *
36 1 : worker_thread_func (void *arg)
37 : {
38 1 : work_done = 1;
39 1 : return &dummy;
40 : }
41 :
42 : int
43 1 : main ()
44 : {
45 1 : main_thread_before = gl_thread_self ();
46 :
47 1 : if (glthread_create (&worker_thread, worker_thread_func, NULL) == 0)
48 : {
49 : void *ret;
50 :
51 : /* Check that gl_thread_self () has the same value before than after the
52 : first call to gl_thread_create (). */
53 1 : main_thread_after = gl_thread_self ();
54 1 : ASSERT (memcmp (&main_thread_before, &main_thread_after,
55 : sizeof (gl_thread_t))
56 : == 0);
57 :
58 1 : gl_thread_join (worker_thread, &ret);
59 :
60 : /* Check the return value of the thread. */
61 1 : ASSERT (ret == &dummy);
62 :
63 : /* Check that worker_thread_func () has finished executing. */
64 1 : ASSERT (work_done);
65 :
66 1 : return 0;
67 : }
68 : else
69 : {
70 : #if USE_ISOC_THREADS || USE_POSIX_THREADS || USE_ISOC_AND_POSIX_THREADS || USE_WINDOWS_THREADS
71 0 : fputs ("glthread_create failed\n", stderr);
72 0 : return 1;
73 : #else
74 : fputs ("Skipping test: multithreading not enabled\n", stderr);
75 : return 77;
76 : #endif
77 : }
78 : }
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