if (mutex->refcount) {
/* somebody using the mutex, block */
xbt_swag_insert(self, mutex->sleeping);
- self->simdata->mutex = mutex;
+ self->mutex = mutex;
/* wait for some process make the unlock and wake up me from mutex->sleeping */
- xbt_context_yield();
- self->simdata->mutex = NULL;
+ SIMIX_process_yield();
+ self->mutex = NULL;
/* verify if the process was suspended */
- while (self->simdata->suspended) {
- xbt_context_yield();
+ while (self->suspended) {
+ SIMIX_process_yield();
}
mutex->refcount = 1;
/**
* \brief Signalizes a condition.
*
- * Signalizes a condition and wakes up a sleping process. If there are no process sleeping, no action is done.
+ * Signalizes a condition and wakes up a sleeping process. If there are no process sleeping, no action is done.
* \param cond A condition
*/
void SIMIX_cond_signal(smx_cond_t cond)
void SIMIX_cond_wait(smx_cond_t cond, smx_mutex_t mutex)
{
smx_action_t act_sleep;
- xbt_assert0((mutex != NULL), "Invalid parameters");
DEBUG1("Wait condition %p", cond);
- cond->mutex = mutex;
- SIMIX_mutex_unlock(mutex);
- /* always create an action null in case there is a host failure */
-/* if (xbt_fifo_size(cond->actions) == 0) { */
+ /* If there is a mutex unlock it */
+ if(mutex != NULL){
+ cond->mutex = mutex;
+ SIMIX_mutex_unlock(mutex);
+ }
+
+ /* Always create an action null in case there is a host failure */
act_sleep = SIMIX_action_sleep(SIMIX_host_self(), -1);
+ SIMIX_process_self()->waiting_action = act_sleep;
SIMIX_register_action_to_condition(act_sleep, cond);
__SIMIX_cond_wait(cond);
+ SIMIX_process_self()->waiting_action = NULL;
SIMIX_unregister_action_to_condition(act_sleep, cond);
SIMIX_action_destroy(act_sleep);
-/* } else { */
-/* __SIMIX_cond_wait(cond); */
-/* } */
- /* get the mutex again */
- SIMIX_mutex_lock(cond->mutex);
+
+ /* get the mutex again if necessary */
+ if(mutex != NULL)
+ SIMIX_mutex_lock(cond->mutex);
return;
}
/* process status */
- self->simdata->cond = cond;
+ self->cond = cond;
xbt_swag_insert(self, cond->sleeping);
- xbt_context_yield();
- self->simdata->cond = NULL;
- while (self->simdata->suspended) {
- xbt_context_yield();
+ SIMIX_process_yield();
+ self->cond = NULL;
+ while (self->suspended) {
+ SIMIX_process_yield();
}
return;
-
}
/**
void SIMIX_cond_wait_timeout(smx_cond_t cond, smx_mutex_t mutex,
double max_duration)
{
-
smx_action_t act_sleep;
- xbt_assert0((mutex != NULL), "Invalid parameters");
DEBUG1("Timed wait condition %p", cond);
- cond->mutex = mutex;
- SIMIX_mutex_unlock(mutex);
+ /* If there is a mutex unlock it */
+ if(mutex != NULL){
+ cond->mutex = mutex;
+ SIMIX_mutex_unlock(mutex);
+ }
+
if (max_duration >= 0) {
act_sleep = SIMIX_action_sleep(SIMIX_host_self(), max_duration);
SIMIX_register_action_to_condition(act_sleep, cond);
+ SIMIX_process_self()->waiting_action = act_sleep;
__SIMIX_cond_wait(cond);
+ SIMIX_process_self()->waiting_action = NULL;
SIMIX_unregister_action_to_condition(act_sleep, cond);
if (SIMIX_action_get_state(act_sleep) == SURF_ACTION_DONE) {
SIMIX_action_destroy(act_sleep);
} else
__SIMIX_cond_wait(cond);
- /* get the mutex again */
- SIMIX_mutex_lock(cond->mutex);
+ /* get the mutex again if necessary */
+ if(mutex != NULL)
+ SIMIX_mutex_lock(cond->mutex);
return;
}
INFO0("Blocked process on this condition:");
xbt_swag_foreach(process, cond->sleeping) {
INFO2("\t %s running on host %s", process->name,
- process->simdata->smx_host->name);
+ process->smx_host->name);
}
}
}