1 /***
2 This file is part of PulseAudio.
3
4 PulseAudio is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published
6 by the Free Software Foundation; either version 2.1 of the License,
7 or (at your option) any later version.
8
9 PulseAudio is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
16 ***/
17
18 #ifdef HAVE_CONFIG_H
19 #include <config.h>
20 #endif
21
22 #include <check.h>
23
24 #include <pulse/xmalloc.h>
25 #include <pulsecore/thread.h>
26 #include <pulsecore/macro.h>
27 #include <pulsecore/mutex.h>
28 #include <pulsecore/once.h>
29 #include <pulsecore/log.h>
30 #include <pulsecore/core-util.h>
31
32 static pa_mutex *mutex = NULL;
33 static pa_cond *cond1 = NULL, *cond2 = NULL;
34 static pa_tls *tls = NULL;
35
36 static int magic_number = 0;
37
38 #define THREADS_MAX 20
39
once_func(void)40 static void once_func(void) {
41 pa_log("once!");
42 }
43
44 static pa_once once = PA_ONCE_INIT;
45
thread_func(void * data)46 static void thread_func(void *data) {
47 pa_tls_set(tls, data);
48
49 pa_log_info("thread_func() for %s starting...", (char*) pa_tls_get(tls));
50
51 pa_mutex_lock(mutex);
52
53 for (;;) {
54 int k, n;
55
56 pa_log_info("%s waiting ...", (char*) pa_tls_get(tls));
57
58 for (;;) {
59
60 if (magic_number < 0)
61 goto quit;
62
63 if (magic_number != 0)
64 break;
65
66 pa_cond_wait(cond1, mutex);
67 }
68
69 k = magic_number;
70 magic_number = 0;
71
72 pa_mutex_unlock(mutex);
73
74 pa_run_once(&once, once_func);
75
76 pa_cond_signal(cond2, 0);
77
78 pa_log_info("%s got number %i", (char*) pa_tls_get(tls), k);
79
80 /* Spin! */
81 for (n = 0; n < k; n++)
82 pa_thread_yield();
83
84 pa_mutex_lock(mutex);
85 }
86
87 quit:
88
89 pa_mutex_unlock(mutex);
90
91 pa_log_info("thread_func() for %s done...", (char*) pa_tls_get(tls));
92 }
93
START_TEST(thread_test)94 START_TEST (thread_test) {
95 int i, k;
96 pa_thread* t[THREADS_MAX];
97
98 if (!getenv("MAKE_CHECK"))
99 pa_log_set_level(PA_LOG_DEBUG);
100
101 mutex = pa_mutex_new(false, false);
102 cond1 = pa_cond_new();
103 cond2 = pa_cond_new();
104 tls = pa_tls_new(pa_xfree);
105
106 for (i = 0; i < THREADS_MAX; i++) {
107 t[i] = pa_thread_new("test", thread_func, pa_sprintf_malloc("Thread #%i", i+1));
108 fail_unless(t[i] != 0);
109 }
110
111 pa_mutex_lock(mutex);
112
113 pa_log("loop-init");
114
115 for (k = 0; k < 100; k++) {
116 pa_assert(magic_number == 0);
117
118 /* There's a thread waiting for us to change magic_number to a non-zero
119 * value. The "+ 1" part ensures that we don't accidentally set
120 * magic_number to zero here. */
121 magic_number = (int) rand() % 0x10000 + 1;
122
123 pa_log_info("iteration %i (%i)", k, magic_number);
124
125 pa_cond_signal(cond1, 0);
126
127 pa_cond_wait(cond2, mutex);
128 }
129
130 pa_log("loop-exit");
131
132 magic_number = -1;
133 pa_cond_signal(cond1, 1);
134
135 pa_mutex_unlock(mutex);
136
137 for (i = 0; i < THREADS_MAX; i++)
138 pa_thread_free(t[i]);
139
140 pa_mutex_free(mutex);
141 pa_cond_free(cond1);
142 pa_cond_free(cond2);
143 pa_tls_free(tls);
144 }
145 END_TEST
146
main(int argc,char * argv[])147 int main(int argc, char *argv[]) {
148 int failed = 0;
149 Suite *s;
150 TCase *tc;
151 SRunner *sr;
152
153 s = suite_create("Thread");
154 tc = tcase_create("thread");
155 tcase_add_test(tc, thread_test);
156 tcase_set_timeout(tc, 60 * 60);
157 suite_add_tcase(s, tc);
158
159 sr = srunner_create(s);
160 srunner_run_all(sr, CK_NORMAL);
161 failed = srunner_ntests_failed(sr);
162 srunner_free(sr);
163
164 return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
165 }
166