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90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/* GStreamer
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* Copyright (C) <2009> Wim Taymans <wim taymans at gmail dot com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include <gst/gst.h>
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#define MAX_THREADS 100
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static gboolean running = TRUE;
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static gint count = 0;
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static void *
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run_test (void *user_data)
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{
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gint prev;
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GstClock *sysclock = GST_CLOCK_CAST (user_data);
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while (running) {
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gst_clock_get_time (sysclock);
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prev = g_atomic_int_exchange_and_add (&count, 1);
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if (prev == G_MAXINT)
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g_warning ("overflow");
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}
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g_thread_exit (NULL);
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return NULL;
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}
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gint
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main (gint argc, gchar * argv[])
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{
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GThread *threads[MAX_THREADS];
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gint num_threads;
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gint t;
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GstClock *sysclock;
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gst_init (&argc, &argv);
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if (argc != 2) {
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g_print ("usage: %s <num_threads>\n", argv[0]);
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exit (-1);
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}
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num_threads = atoi (argv[1]);
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sysclock = gst_system_clock_obtain ();
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for (t = 0; t < num_threads; t++) {
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GError *error = NULL;
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threads[t] = g_thread_create (run_test, sysclock, TRUE, &error);
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if (error) {
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printf ("ERROR: g_thread_create() %s\n", error->message);
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exit (-1);
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}
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}
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printf ("main(): Created %d threads.\n", t);
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/* run for 5 seconds */
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g_usleep (G_USEC_PER_SEC * 5);
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printf ("main(): Stopping threads...\n");
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running = FALSE;
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for (t = 0; t < num_threads; t++) {
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g_thread_join (threads[t]);
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}
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g_print ("performed %d get_time operations\n", count);
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gst_object_unref (sysclock);
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return 0;
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}
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