gstreamer/tests/benchmarks/gstpollstress.c

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
*
* 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.
*/
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#include <stdio.h>
#include <stdlib.h>
#include <gst/gst.h>
#include "gst/glib-compat-private.h"
static GstPoll *set;
static GList *fds = NULL;
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static GMutex fdlock;
static GTimer *timer;
#define MAX_THREADS 100
static void
Correct all relevant warnings found by the sparse semantic code analyzer. This include marking several symbols static... Original commit message from CVS: * gst/gstconfig.h.in: * libs/gst/base/gstcollectpads.c: (gst_collect_pads_read_buffer): * libs/gst/check/gstcheck.c: (gst_check_log_message_func), (gst_check_log_critical_func), (gst_check_drop_buffers), (gst_check_element_push_buffer_list): * libs/gst/controller/gstcontroller.c: (gst_controller_get), (gst_controller_get_type): * libs/gst/controller/gsthelper.c: (gst_object_control_properties), (gst_object_get_controller), (gst_object_get_control_source): * libs/gst/controller/gstinterpolationcontrolsource.c: (gst_interpolation_control_source_new): * libs/gst/controller/gstlfocontrolsource.c: (gst_lfo_control_source_new): * libs/gst/dataprotocol/dataprotocol.c: (gst_dp_event_from_packet_0_2): * plugins/elements/gstfdsrc.c: * plugins/elements/gstmultiqueue.c: * plugins/elements/gsttee.c: * plugins/elements/gsttypefindelement.c: * plugins/indexers/gstfileindex.c: (_file_index_id_save_xml), (gst_file_index_add_association): * plugins/indexers/gstmemindex.c: * tests/benchmarks/gstpollstress.c: (mess_some_more): * tests/check/elements/queue.c: (setup_queue): * tests/check/gst/gstpipeline.c: * tests/check/libs/collectpads.c: (setup), (teardown), (gst_collect_pads_suite): * tests/examples/adapter/adapter_test.c: * tests/examples/metadata/read-metadata.c: (make_pipeline): * tests/examples/xml/createxml.c: * tests/examples/xml/runxml.c: * tools/gst-inspect.c: * tools/gst-run.c: Correct all relevant warnings found by the sparse semantic code analyzer. This include marking several symbols static, using NULL instead of 0 for pointers, not using variable sized arrays on the stack, moving variable declarations to the beginning of a block and using "foo (void)" instead of "foo ()" for declarations.
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mess_some_more (void)
{
GList *walk;
gint random;
gint removed = 0;
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g_mutex_lock (&fdlock);
for (walk = fds; walk;) {
GstPollFD *fd = (GstPollFD *) walk->data;
walk = g_list_next (walk);
random = (gint) (10.0 * rand () / (RAND_MAX + 1.0));
switch (random) {
case 0:
{
/*
GstPollFD *newfd = g_new0 (GstPollFD, 1);
gst_poll_add_fd (set, newfd);
fds = g_list_prepend (fds, newfd);
*/
break;
}
case 1:
if ((gint) (10.0 * rand () / (RAND_MAX + 1.0)) < 2) {
gst_poll_remove_fd (set, fd);
fds = g_list_remove (fds, fd);
g_free (fd);
removed++;
}
break;
case 2:
gst_poll_fd_ctl_write (set, fd, TRUE);
break;
case 3:
gst_poll_fd_ctl_write (set, fd, FALSE);
break;
case 4:
gst_poll_fd_ctl_read (set, fd, TRUE);
break;
case 5:
gst_poll_fd_ctl_read (set, fd, FALSE);
break;
case 6:
gst_poll_fd_has_closed (set, fd);
break;
case 7:
gst_poll_fd_has_error (set, fd);
break;
case 8:
gst_poll_fd_can_read (set, fd);
break;
case 9:
gst_poll_fd_can_write (set, fd);
break;
default:
g_assert_not_reached ();
break;
}
}
if (g_list_length (fds) < 900) {
random = removed + (gint) (2.0 * rand () / (RAND_MAX + 1.0));
while (random) {
GstPollFD *newfd = g_new0 (GstPollFD, 1);
gst_poll_add_fd (set, newfd);
fds = g_list_prepend (fds, newfd);
random--;
}
}
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g_mutex_unlock (&fdlock);
}
Correct all relevant warnings found by the sparse semantic code analyzer. This include marking several symbols static... Original commit message from CVS: * gst/gstconfig.h.in: * libs/gst/base/gstcollectpads.c: (gst_collect_pads_read_buffer): * libs/gst/check/gstcheck.c: (gst_check_log_message_func), (gst_check_log_critical_func), (gst_check_drop_buffers), (gst_check_element_push_buffer_list): * libs/gst/controller/gstcontroller.c: (gst_controller_get), (gst_controller_get_type): * libs/gst/controller/gsthelper.c: (gst_object_control_properties), (gst_object_get_controller), (gst_object_get_control_source): * libs/gst/controller/gstinterpolationcontrolsource.c: (gst_interpolation_control_source_new): * libs/gst/controller/gstlfocontrolsource.c: (gst_lfo_control_source_new): * libs/gst/dataprotocol/dataprotocol.c: (gst_dp_event_from_packet_0_2): * plugins/elements/gstfdsrc.c: * plugins/elements/gstmultiqueue.c: * plugins/elements/gsttee.c: * plugins/elements/gsttypefindelement.c: * plugins/indexers/gstfileindex.c: (_file_index_id_save_xml), (gst_file_index_add_association): * plugins/indexers/gstmemindex.c: * tests/benchmarks/gstpollstress.c: (mess_some_more): * tests/check/elements/queue.c: (setup_queue): * tests/check/gst/gstpipeline.c: * tests/check/libs/collectpads.c: (setup), (teardown), (gst_collect_pads_suite): * tests/examples/adapter/adapter_test.c: * tests/examples/metadata/read-metadata.c: (make_pipeline): * tests/examples/xml/createxml.c: * tests/examples/xml/runxml.c: * tools/gst-inspect.c: * tools/gst-run.c: Correct all relevant warnings found by the sparse semantic code analyzer. This include marking several symbols static, using NULL instead of 0 for pointers, not using variable sized arrays on the stack, moving variable declarations to the beginning of a block and using "foo (void)" instead of "foo ()" for declarations.
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static void *
run_test (void *threadid)
{
gint id = GPOINTER_TO_INT (threadid);
while (TRUE) {
if (id == 0) {
gint res = gst_poll_wait (set, 10);
if (res < 0) {
g_print ("error %d %s\n", errno, g_strerror (errno));
}
} else {
mess_some_more ();
if (g_timer_elapsed (timer, NULL) > 0.5) {
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g_mutex_lock (&fdlock);
g_print ("active fds :%d\n", g_list_length (fds));
g_timer_start (timer);
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g_mutex_unlock (&fdlock);
}
g_usleep (1);
}
}
return NULL;
}
gint
main (gint argc, gchar * argv[])
{
GThread *threads[MAX_THREADS];
gint num_threads;
gint t;
gst_init (&argc, &argv);
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g_mutex_init (&fdlock);
timer = g_timer_new ();
if (argc != 2) {
g_print ("usage: %s <num_threads>\n", argv[0]);
exit (-1);
}
num_threads = atoi (argv[1]);
set = gst_poll_new (TRUE);
for (t = 0; t < num_threads; t++) {
GError *error = NULL;
threads[t] = g_thread_try_new ("pollstresstest", run_test,
GINT_TO_POINTER (t), &error);
if (error) {
printf ("ERROR: g_thread_create() %s\n", error->message);
exit (-1);
}
}
printf ("main(): Created %d threads.\n", t);
for (t = 0; t < num_threads; t++) {
g_thread_join (threads[t]);
}
gst_poll_free (set);
return 0;
}