mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 07:47:17 +00:00
102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/* GStreamer
|
|
* Copyright (C) <2009> Wim Taymans <wim taymans at gmail dot com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <gst/gst.h>
|
|
#include <gst/glib-compat-private.h>
|
|
|
|
#define MAX_THREADS 100
|
|
|
|
static gboolean running = TRUE;
|
|
static gint count = 0;
|
|
|
|
static void *
|
|
run_test (void *user_data)
|
|
{
|
|
gint prev;
|
|
GstClock *sysclock = GST_CLOCK_CAST (user_data);
|
|
|
|
while (running) {
|
|
gst_clock_get_time (sysclock);
|
|
prev = G_ATOMIC_INT_ADD (&count, 1);
|
|
if (prev == G_MAXINT)
|
|
g_warning ("overflow");
|
|
}
|
|
g_thread_exit (NULL);
|
|
return NULL;
|
|
}
|
|
|
|
gint
|
|
main (gint argc, gchar * argv[])
|
|
{
|
|
GThread *threads[MAX_THREADS];
|
|
gint num_threads;
|
|
gint t;
|
|
GstClock *sysclock;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
if (argc != 2) {
|
|
g_print ("usage: %s <num_threads>\n", argv[0]);
|
|
exit (-1);
|
|
}
|
|
|
|
num_threads = atoi (argv[1]);
|
|
|
|
if (num_threads <= 0 || num_threads > MAX_THREADS) {
|
|
g_print ("number of threads must be between 0 and %d\n", MAX_THREADS);
|
|
exit (-2);
|
|
}
|
|
|
|
sysclock = gst_system_clock_obtain ();
|
|
|
|
for (t = 0; t < num_threads; t++) {
|
|
GError *error = NULL;
|
|
|
|
#if !GLIB_CHECK_VERSION (2, 31, 0)
|
|
threads[t] = g_thread_create (run_test, sysclock, TRUE, &error);
|
|
#else
|
|
threads[t] = g_thread_try_new ("clockstresstest", run_test,
|
|
sysclock, &error);
|
|
#endif
|
|
if (error) {
|
|
printf ("ERROR: g_thread_create() %s\n", error->message);
|
|
exit (-1);
|
|
}
|
|
}
|
|
printf ("main(): Created %d threads.\n", t);
|
|
|
|
/* run for 5 seconds */
|
|
g_usleep (G_USEC_PER_SEC * 5);
|
|
|
|
printf ("main(): Stopping threads...\n");
|
|
|
|
running = FALSE;
|
|
|
|
for (t = 0; t < num_threads; t++) {
|
|
g_thread_join (threads[t]);
|
|
}
|
|
|
|
g_print ("performed %d get_time operations\n", count);
|
|
|
|
gst_object_unref (sysclock);
|
|
|
|
return 0;
|
|
}
|