- MSG_RETURN(MSG_TRANSFER_FAILURE);
- }
- }
- xbt_assert1(!(h_simdata->sleeping[channel]),
- "A process is already blocked on channel %d", channel);
-
- cond = SIMIX_cond_init();
- h_simdata->sleeping[channel] = cond;
- if (max_duration > 0) {
- SIMIX_cond_wait_timeout(cond, h->simdata->mutex, max_duration);
- } else
- SIMIX_cond_wait(h_simdata->sleeping[channel], h->simdata->mutex);
-
- if (SIMIX_host_get_state(h_simdata->s_host) == 0)
- MSG_RETURN(MSG_HOST_FAILURE);
-
- first_time = 0;
- }
- SIMIX_mutex_unlock(h->simdata->mutex);
-
- DEBUG1("OK, got a task (%s)", t->name);
- /* clean conditional */
- if (cond) {
- SIMIX_cond_destroy(cond);
- h_simdata->sleeping[channel] = NULL;
- }
-
- t_simdata = t->simdata;
- t_simdata->receiver = process;
- *task = t;
-
- SIMIX_mutex_lock(t_simdata->mutex);
-
- /* Transfer */
- t_simdata->using++;
- /* create SIMIX action to the communication */
- t_simdata->comm =
- SIMIX_action_communicate(t_simdata->sender->simdata->m_host->
- simdata->s_host,
- process->simdata->m_host->simdata->s_host,
- t->name, t_simdata->message_size,
- t_simdata->rate);
- /* if the process is suspend, create the action but stop its execution, it will be restart when the sender process resume */
- if (MSG_process_is_suspended(t_simdata->sender)) {
- DEBUG1("Process sender (%s) suspended", t_simdata->sender->name);
- SIMIX_action_set_priority(t_simdata->comm, 0);
- }
- process->simdata->waiting_task = t;
- SIMIX_register_action_to_condition(t_simdata->comm, t_simdata->cond);
- SIMIX_cond_wait(t_simdata->cond, t_simdata->mutex);
- process->simdata->waiting_task = NULL;
-
- /* the task has already finished and the pointer must be null */
- if (t->simdata->sender) {
- t->simdata->sender->simdata->waiting_task = NULL;
- /* action ended, set comm and compute = NULL, the actions is already destroyed in the main function */
- //t->simdata->comm = NULL;
- //t->simdata->compute = NULL;
- }
- /* for this process, don't need to change in get function */
- t->simdata->receiver = NULL;
- SIMIX_mutex_unlock(t_simdata->mutex);
-
-
- if (SIMIX_action_get_state(t_simdata->comm) == SURF_ACTION_DONE) {
- //t_simdata->comm = NULL;
- SIMIX_action_destroy(t_simdata->comm);
- t_simdata->comm = NULL;
- MSG_RETURN(MSG_OK);
- } else if (SIMIX_host_get_state(h_simdata->s_host) == 0) {
- //t_simdata->comm = NULL;
- SIMIX_action_destroy(t_simdata->comm);
- t_simdata->comm = NULL;
- MSG_RETURN(MSG_HOST_FAILURE);
- } else {
- //t_simdata->comm = NULL;
- SIMIX_action_destroy(t_simdata->comm);
- t_simdata->comm = NULL;
- MSG_RETURN(MSG_TRANSFER_FAILURE);
- }