- simdata_task_t simdata = NULL;
- m_process_t self = MSG_process_self();
- e_surf_action_state_t state = SURF_ACTION_NOT_IN_THE_SYSTEM;
- CHECK_HOST();
-
- simdata = task->simdata;
-
- xbt_assert1((!simdata->compute),
- //&& (task->simdata->refcount == 1), FIXME: since lua bindings play with this refcount to make sure that tasks don't get gc() twice, this field cannot be used here as is anymore
- "This task is executed somewhere else. Go fix your code! %d", task->simdata->refcount);
-
- DEBUG1("Computing on %s", MSG_process_self()->simdata->m_host->name);
-
- simdata->refcount++;
- SIMIX_mutex_lock(simdata->mutex);
- simdata->compute =
- SIMIX_action_execute(SIMIX_host_self(), task->name,
- simdata->computation_amount);
- SIMIX_action_set_priority(simdata->compute, simdata->priority);
-
- /* changed to waiting action since we are always waiting one action (execute, communicate or sleep) */
- self->simdata->waiting_action = simdata->compute;
- SIMIX_register_action_to_condition(simdata->compute, simdata->cond);
- do {
- SIMIX_cond_wait(simdata->cond, simdata->mutex);
- state = SIMIX_action_get_state(simdata->compute);
- } while (state == SURF_ACTION_READY || state == SURF_ACTION_RUNNING);
- SIMIX_unregister_action_to_condition(simdata->compute, simdata->cond);
- self->simdata->waiting_action = NULL;
-
- SIMIX_mutex_unlock(simdata->mutex);
- simdata->refcount--;
-
- if (SIMIX_action_get_state(task->simdata->compute) == SURF_ACTION_DONE) {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->computation_amount = 0.0;
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_OK);
- } else if (SIMIX_host_get_state(SIMIX_host_self()) == 0) {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_HOST_FAILURE);
- } else {
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- SIMIX_action_destroy(task->simdata->compute);
- simdata->comm = NULL;
- simdata->compute = NULL;
- MSG_RETURN(MSG_TASK_CANCELLED);
- }
+ simdata_task_t simdata = NULL;
+ m_process_t self = MSG_process_self();
+ e_surf_action_state_t state = SURF_ACTION_NOT_IN_THE_SYSTEM;
+ CHECK_HOST();
+
+ simdata = task->simdata;
+
+ xbt_assert0(simdata->host_nb==0, "This is a parallel task. Go to hell.");
+
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_start (task);
+#endif
+
+ xbt_assert1((!simdata->compute) && (task->simdata->refcount == 1),
+ "This task is executed somewhere else. Go fix your code! %d", task->simdata->refcount);
+
+ DEBUG1("Computing on %s", MSG_process_self()->simdata->m_host->name);
+
+ if (simdata->computation_amount == 0) {
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_end (task);
+#endif
+ return MSG_OK;
+ }
+ simdata->refcount++;
+ SIMIX_mutex_lock(simdata->mutex);
+ simdata->compute =
+ SIMIX_action_execute(SIMIX_host_self(), task->name,
+ simdata->computation_amount);
+ SIMIX_action_set_priority(simdata->compute, simdata->priority);
+
+ /* changed to waiting action since we are always waiting one action (execute, communicate or sleep) */
+ self->simdata->waiting_action = simdata->compute;
+ SIMIX_register_action_to_condition(simdata->compute, simdata->cond);
+ do {
+ SIMIX_cond_wait(simdata->cond, simdata->mutex);
+ state = SIMIX_action_get_state(simdata->compute);
+ } while (state == SURF_ACTION_READY || state == SURF_ACTION_RUNNING);
+ SIMIX_unregister_action_to_condition(simdata->compute, simdata->cond);
+ self->simdata->waiting_action = NULL;
+
+ SIMIX_mutex_unlock(simdata->mutex);
+ simdata->refcount--;
+
+ if (SIMIX_action_get_state(task->simdata->compute) == SURF_ACTION_DONE) {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->computation_amount = 0.0;
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_end (task);
+#endif
+ MSG_RETURN(MSG_OK);
+ } else if (SIMIX_host_get_state(SIMIX_host_self()) == 0) {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_end (task);
+#endif
+ MSG_RETURN(MSG_HOST_FAILURE);
+ } else {
+ /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
+ SIMIX_action_destroy(task->simdata->compute);
+ simdata->comm = NULL;
+ simdata->compute = NULL;
+#ifdef HAVE_TRACING
+ TRACE_msg_task_execute_end (task);
+#endif
+ MSG_RETURN(MSG_TASK_CANCELLED);
+ }