mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/***
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This file is part of PulseAudio.
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef HAVE_PTHREAD
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#include <pthread.h>
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#endif
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#include <check.h>
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#include <pulsecore/thread.h>
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#include <pulsecore/once.h>
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#include <pulsecore/log.h>
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#include <pulsecore/core-util.h>
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#include <pulsecore/atomic.h>
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#include <pulse/xmalloc.h>
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static pa_once once = PA_ONCE_INIT;
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static volatile unsigned n_run = 0;
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static const char * volatile ran_by = NULL;
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#ifdef HAVE_PTHREAD
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static pthread_barrier_t barrier;
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#endif
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static unsigned n_cpu;
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#define N_ITERATIONS 500
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#define N_THREADS 100
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static void once_func(void) {
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n_run++;
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ran_by = (const char*) pa_thread_get_data(pa_thread_self());
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}
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static void thread_func(void *data) {
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#ifdef HAVE_PTHREAD
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int r;
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#ifdef HAVE_PTHREAD_SETAFFINITY_NP
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static pa_atomic_t i_cpu = PA_ATOMIC_INIT(0);
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cpu_set_t mask;
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CPU_ZERO(&mask);
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CPU_SET((size_t) (pa_atomic_inc(&i_cpu) % n_cpu), &mask);
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fail_unless(pthread_setaffinity_np(pthread_self(), sizeof(mask), &mask) == 0);
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#endif
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pa_log_debug("started up: %s", (char *) data);
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r = pthread_barrier_wait(&barrier);
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fail_unless(r == 0 || r == PTHREAD_BARRIER_SERIAL_THREAD);
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#endif /* HAVE_PTHREAD */
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pa_run_once(&once, once_func);
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}
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START_TEST (once_test) {
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unsigned n, i;
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n_cpu = pa_ncpus();
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for (n = 0; n < N_ITERATIONS; n++) {
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pa_thread* threads[N_THREADS];
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#ifdef HAVE_PTHREAD
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fail_unless(pthread_barrier_init(&barrier, NULL, N_THREADS) == 0);
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#endif
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/* Yes, kinda ugly */
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pa_zero(once);
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for (i = 0; i < N_THREADS; i++)
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threads[i] = pa_thread_new("once", thread_func, pa_sprintf_malloc("Thread #%i", i+1));
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for (i = 0; i < N_THREADS; i++)
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pa_thread_join(threads[i]);
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fail_unless(n_run == 1);
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pa_log_info("ran by %s", ran_by);
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for (i = 0; i < N_THREADS; i++) {
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pa_xfree(pa_thread_get_data(threads[i]));
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pa_thread_free(threads[i]);
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}
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n_run = 0;
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ran_by = NULL;
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#ifdef HAVE_PTHREAD
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fail_unless(pthread_barrier_destroy(&barrier) == 0);
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#endif
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}
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}
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END_TEST
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int main(int argc, char *argv[]) {
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int failed = 0;
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Suite *s;
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TCase *tc;
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SRunner *sr;
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if (!getenv("MAKE_CHECK"))
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pa_log_set_level(PA_LOG_DEBUG);
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s = suite_create("Once");
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tc = tcase_create("once");
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tcase_add_test(tc, once_test);
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/* the default timeout is too small,
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* set it to a reasonable large one.
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*/
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tcase_set_timeout(tc, 60 * 60);
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suite_add_tcase(s, tc);
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sr = srunner_create(s);
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srunner_run_all(sr, CK_NORMAL);
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failed = srunner_ntests_failed(sr);
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srunner_free(sr);
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return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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