diff options
Diffstat (limited to 'src/tests/thread-test.c')
| -rw-r--r-- | src/tests/thread-test.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/tests/thread-test.c b/src/tests/thread-test.c new file mode 100644 index 0000000..0c83e67 --- /dev/null +++ b/src/tests/thread-test.c @@ -0,0 +1,164 @@ +/*** + This file is part of PulseAudio. + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio 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 Lesser General Public License + along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <check.h> + +#include <pulse/xmalloc.h> +#include <pulsecore/thread.h> +#include <pulsecore/macro.h> +#include <pulsecore/mutex.h> +#include <pulsecore/once.h> +#include <pulsecore/log.h> +#include <pulsecore/core-util.h> + +static pa_mutex *mutex = NULL; +static pa_cond *cond1 = NULL, *cond2 = NULL; +static pa_tls *tls = NULL; + +static int magic_number = 0; + +#define THREADS_MAX 20 + +static void once_func(void) { + pa_log("once!"); +} + +static pa_once once = PA_ONCE_INIT; + +static void thread_func(void *data) { + pa_tls_set(tls, data); + + pa_log_info("thread_func() for %s starting...", (char*) pa_tls_get(tls)); + + pa_mutex_lock(mutex); + + for (;;) { + int k, n; + + pa_log_info("%s waiting ...", (char*) pa_tls_get(tls)); + + for (;;) { + + if (magic_number < 0) + goto quit; + + if (magic_number != 0) + break; + + pa_cond_wait(cond1, mutex); + } + + k = magic_number; + magic_number = 0; + + pa_mutex_unlock(mutex); + + pa_run_once(&once, once_func); + + pa_cond_signal(cond2, 0); + + pa_log_info("%s got number %i", (char*) pa_tls_get(tls), k); + + /* Spin! */ + for (n = 0; n < k; n++) + pa_thread_yield(); + + pa_mutex_lock(mutex); + } + +quit: + + pa_mutex_unlock(mutex); + + pa_log_info("thread_func() for %s done...", (char*) pa_tls_get(tls)); +} + +START_TEST (thread_test) { + int i, k; + pa_thread* t[THREADS_MAX]; + + if (!getenv("MAKE_CHECK")) + pa_log_set_level(PA_LOG_DEBUG); + + mutex = pa_mutex_new(false, false); + cond1 = pa_cond_new(); + cond2 = pa_cond_new(); + tls = pa_tls_new(pa_xfree); + + for (i = 0; i < THREADS_MAX; i++) { + t[i] = pa_thread_new("test", thread_func, pa_sprintf_malloc("Thread #%i", i+1)); + fail_unless(t[i] != 0); + } + + pa_mutex_lock(mutex); + + pa_log("loop-init"); + + for (k = 0; k < 100; k++) { + pa_assert(magic_number == 0); + + /* There's a thread waiting for us to change magic_number to a non-zero + * value. The "+ 1" part ensures that we don't accidentally set + * magic_number to zero here. */ + magic_number = (int) rand() % 0x10000 + 1; + + pa_log_info("iteration %i (%i)", k, magic_number); + + pa_cond_signal(cond1, 0); + + pa_cond_wait(cond2, mutex); + } + + pa_log("loop-exit"); + + magic_number = -1; + pa_cond_signal(cond1, 1); + + pa_mutex_unlock(mutex); + + for (i = 0; i < THREADS_MAX; i++) + pa_thread_free(t[i]); + + pa_mutex_free(mutex); + pa_cond_free(cond1); + pa_cond_free(cond2); + pa_tls_free(tls); +} +END_TEST + +int main(int argc, char *argv[]) { + int failed = 0; + Suite *s; + TCase *tc; + SRunner *sr; + + s = suite_create("Thread"); + tc = tcase_create("thread"); + tcase_add_test(tc, thread_test); + suite_add_tcase(s, tc); + + sr = srunner_create(s); + srunner_run_all(sr, CK_NORMAL); + failed = srunner_ntests_failed(sr); + srunner_free(sr); + + return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE; +} |