gpointer rtp_scheduler_schedule(gpointer psched)
{
RtpScheduler *sched=(RtpScheduler*) psched;
RtpTimer *timer=sched->timer;
RtpSession *current;
int err;
/* try to get the real time priority by getting root*/
#ifndef _WIN32
#ifdef HAVE_SETEUID
err=seteuid(0);
#else
err=setuid(0);
#endif
if (err<0) g_message("Could not get root euid: %s",strerror(errno));
#endif
g_message("scheduler: trying to reach real time kernel scheduling...");
/* take this lock to prevent the thread to start until g_thread_create() returns
because we need sched->thread to be initialized */
g_mutex_lock(sched->lock);
g_cond_signal(sched->unblock_select_cond); /* unblock the starting thread */
g_mutex_unlock(sched->lock);
g_thread_set_priority(sched->thread,G_THREAD_PRIORITY_HIGH);
timer->timer_init();
while(sched->thread_running)
{
/* do the processing here: */
g_mutex_lock(sched->lock);
current=sched->list;
/* processing all scheduled rtp sessions */
while (current!=NULL)
{
ortp_debug("scheduler: processing session=%p.\n",current);
rtp_session_process(current,sched->time_,sched);
current=current->next;
}
/* wake up all the threads that are sleeping in _select() */
g_cond_broadcast(sched->unblock_select_cond);
g_mutex_unlock(sched->lock);
/* now while the scheduler is going to sleep, the other threads can compute their
result mask and see if they have to leave, or to wait for next tick*/
//g_message("scheduler: sleeping.");
timer->timer_do();
sched->time_+=sched->timer_inc;
}
/* when leaving the thread, stop the timer */
timer->timer_uninit();
return NULL;
}
void * rtp_scheduler_schedule(void * psched)
{
RtpScheduler *sched=(RtpScheduler*) psched;
RtpTimer *timer=sched->timer;
RtpSession *current;
/* take this lock to prevent the thread to start until g_thread_create() returns
because we need sched->thread to be initialized */
ortp_mutex_lock(&sched->lock);
ortp_cond_signal(&sched->unblock_select_cond); /* unblock the starting thread */
ortp_mutex_unlock(&sched->lock);
timer->timer_init();
while(sched->thread_running)
{
/* do the processing here: */
ortp_mutex_lock(&sched->lock);
current=sched->list;
/* processing all scheduled rtp sessions */
while (current!=NULL)
{
ortp_debug("scheduler: processing session=0x%x.\n",current);
rtp_session_process(current,sched->time_,sched);
current=current->next;
}
/* wake up all the threads that are sleeping in _select() */
ortp_cond_broadcast(&sched->unblock_select_cond);
ortp_mutex_unlock(&sched->lock);
/* now while the scheduler is going to sleep, the other threads can compute their
result mask and see if they have to leave, or to wait for next tick*/
//ortp_message("scheduler: sleeping.");
timer->timer_do();
sched->time_+=sched->timer_inc;
}
/* when leaving the thread, stop the timer */
timer->timer_uninit();
return NULL;
}
