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135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/* GStreamer
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* Copyright (C) 2009 Wim Taymans <wim.taymans@gmail.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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <pthread.h>
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#include "testrtpool.h"
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static void test_rt_pool_finalize (GObject * object);
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typedef struct
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{
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pthread_t thread;
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} TestRTId;
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G_DEFINE_TYPE (TestRTPool, test_rt_pool, GST_TYPE_TASK_POOL);
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static void
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default_prepare (GstTaskPool * pool, GError ** error)
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{
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/* we don't do anything here. We could construct a pool of threads here that
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* we could reuse later but we don't */
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g_message ("prepare Realtime pool %p", pool);
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}
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static void
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default_cleanup (GstTaskPool * pool)
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{
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g_message ("cleanup Realtime pool %p", pool);
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}
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static gpointer
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default_push (GstTaskPool * pool, GstTaskPoolFunction func, gpointer data,
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GError ** error)
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{
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TestRTId *tid;
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gint res;
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pthread_attr_t attr;
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struct sched_param param;
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g_message ("pushing Realtime pool %p, %p", pool, func);
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tid = g_slice_new0 (TestRTId);
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g_message ("set policy");
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pthread_attr_init (&attr);
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if ((res = pthread_attr_setschedpolicy (&attr, SCHED_RR)) != 0)
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g_warning ("setschedpolicy: failure: %p", g_strerror (res));
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g_message ("set prio");
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param.sched_priority = 50;
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if ((res = pthread_attr_setschedparam (&attr, ¶m)) != 0)
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g_warning ("setschedparam: failure: %p", g_strerror (res));
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g_message ("set inherit");
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if ((res = pthread_attr_setinheritsched (&attr, PTHREAD_EXPLICIT_SCHED)) != 0)
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g_warning ("setinheritsched: failure: %p", g_strerror (res));
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g_message ("create thread");
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res = pthread_create (&tid->thread, &attr, (void *(*)(void *)) func, data);
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if (res != 0) {
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g_set_error (error, G_THREAD_ERROR, G_THREAD_ERROR_AGAIN,
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"Error creating thread: %s", g_strerror (res));
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g_slice_free (TestRTId, tid);
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tid = NULL;
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}
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return tid;
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}
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static void
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default_join (GstTaskPool * pool, gpointer id)
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{
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TestRTId *tid = (TestRTId *) id;
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g_message ("joining Realtime pool %p", pool);
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pthread_join (tid->thread, NULL);
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g_slice_free (TestRTId, tid);
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}
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static void
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test_rt_pool_class_init (TestRTPoolClass * klass)
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{
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GObjectClass *gobject_class;
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GstTaskPoolClass *gsttaskpool_class;
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gobject_class = (GObjectClass *) klass;
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gsttaskpool_class = (GstTaskPoolClass *) klass;
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gobject_class->finalize = GST_DEBUG_FUNCPTR (test_rt_pool_finalize);
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gsttaskpool_class->prepare = default_prepare;
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gsttaskpool_class->cleanup = default_cleanup;
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gsttaskpool_class->push = default_push;
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gsttaskpool_class->join = default_join;
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}
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static void
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test_rt_pool_init (TestRTPool * pool)
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{
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}
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static void
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test_rt_pool_finalize (GObject * object)
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{
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G_OBJECT_CLASS (test_rt_pool_parent_class)->finalize (object);
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}
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GstTaskPool *
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test_rt_pool_new (void)
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{
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GstTaskPool *pool;
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pool = g_object_new (TEST_TYPE_RT_POOL, NULL);
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return pool;
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}
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