static int psos_init(void)
{
int ret;
registry_add_dir("/psos");
registry_add_dir("/psos/tasks");
registry_add_dir("/psos/semaphores");
registry_add_dir("/psos/queues");
registry_add_dir("/psos/timers");
registry_add_dir("/psos/partitions");
registry_add_dir("/psos/regions");
cluster_init(&psos_task_table, "psos.task");
cluster_init(&psos_sem_table, "psos.sema4");
cluster_init(&psos_queue_table, "psos.queue");
pvcluster_init(&psos_pt_table, "psos.pt");
pvcluster_init(&psos_rn_table, "psos.rn");
ret = clockobj_init(&psos_clock, "psos", clock_resolution);
if (ret) {
warning("%s: failed to initialize pSOS clock (res=%u ns)",
__FUNCTION__, clock_resolution);
return __bt(ret);
}
/* Convert pSOS ticks to timespec. */
clockobj_ticks_to_timespec(&psos_clock, time_slice_in_ticks, &psos_rrperiod);
return 0;
}
u_long tm_evevery(u_long ticks, u_long events, u_long *tmid_r)
{
struct itimerspec it;
struct service svc;
int ret;
COPPERPLATE_PROTECT(svc);
clockobj_ticks_to_timeout(&psos_clock, ticks, &it.it_value);
clockobj_ticks_to_timespec(&psos_clock, ticks, &it.it_interval);
ret = start_evtimer(events, &it, tmid_r);
COPPERPLATE_UNPROTECT(svc);
return ret;
}
STATUS kernelTimeSlice(int ticks)
{
struct timespec quantum;
struct wind_task *task;
/* Convert VxWorks ticks to timespec. */
clockobj_ticks_to_timespec(&wind_clock, ticks, &quantum);
/*
* XXX: Enable/disable round-robin for all threads known by
* the current process. Round-robin is most commonly about
* having multiple threads getting an equal share of time for
* running the same bulk of code, so applying this policy
* session-wide to multiple Xenomai processes would not make
* much sense. I.e. one is better off having all those threads
* running within a single process.
*/
wind_time_slice = ticks;
do_each_wind_task(task, threadobj_set_rr(&task->thobj, &quantum));
return OK;
}
