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/* GStreamer
* Copyright (C) 2009 Wim Taymans <wim.taymans@gmail.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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <pthread.h>
#include "testrtpool.h"
static void test_rt_pool_finalize (GObject * object);
typedef struct
{
pthread_t thread;
} TestRTId;
G_DEFINE_TYPE (TestRTPool, test_rt_pool, GST_TYPE_TASK_POOL);
static void
default_prepare (GstTaskPool * pool, GError ** error)
{
/* we don't do anything here. We could construct a pool of threads here that
* we could reuse later but we don't */
g_message ("prepare Realtime pool %p", pool);
}
static void
default_cleanup (GstTaskPool * pool)
{
g_message ("cleanup Realtime pool %p", pool);
}
static gpointer
default_push (GstTaskPool * pool, GstTaskPoolFunction func, gpointer data,
GError ** error)
{
TestRTId *tid;
gint res;
pthread_attr_t attr;
struct sched_param param;
g_message ("pushing Realtime pool %p, %p", pool, func);
tid = g_new0 (TestRTId, 1);
g_message ("set policy");
pthread_attr_init (&attr);
if ((res = pthread_attr_setschedpolicy (&attr, SCHED_RR)) != 0)
g_warning ("setschedpolicy: failure: %p", g_strerror (res));
g_message ("set prio");
param.sched_priority = 50;
if ((res = pthread_attr_setschedparam (&attr, ¶m)) != 0)
g_warning ("setschedparam: failure: %p", g_strerror (res));
g_message ("set inherit");
if ((res = pthread_attr_setinheritsched (&attr, PTHREAD_EXPLICIT_SCHED)) != 0)
g_warning ("setinheritsched: failure: %p", g_strerror (res));
g_message ("create thread");
res = pthread_create (&tid->thread, &attr, (void *(*)(void *)) func, data);
if (res != 0) {
g_set_error (error, G_THREAD_ERROR, G_THREAD_ERROR_AGAIN,
"Error creating thread: %s", g_strerror (res));
g_free (tid);
tid = NULL;
}
return tid;
}
static void
default_join (GstTaskPool * pool, gpointer id)
{
TestRTId *tid = (TestRTId *) id;
g_message ("joining Realtime pool %p", pool);
pthread_join (tid->thread, NULL);
g_free (tid);
}
static void
test_rt_pool_class_init (TestRTPoolClass * klass)
{
GObjectClass *gobject_class;
GstTaskPoolClass *gsttaskpool_class;
gobject_class = (GObjectClass *) klass;
gsttaskpool_class = (GstTaskPoolClass *) klass;
gobject_class->finalize = GST_DEBUG_FUNCPTR (test_rt_pool_finalize);
gsttaskpool_class->prepare = default_prepare;
gsttaskpool_class->cleanup = default_cleanup;
gsttaskpool_class->push = default_push;
gsttaskpool_class->join = default_join;
}
static void
test_rt_pool_init (TestRTPool * pool)
{
}
static void
test_rt_pool_finalize (GObject * object)
{
G_OBJECT_CLASS (test_rt_pool_parent_class)->finalize (object);
}
GstTaskPool *
test_rt_pool_new (void)
{
GstTaskPool *pool;
pool = g_object_new (TEST_TYPE_RT_POOL, NULL);
return pool;
}
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