get_mailbox(node->pred_id, mailbox);
task_data_t req_data_s = xbt_new0(s_task_data_t,1);
req_data_s->type = TASK_SUCCESSOR_LEAVING;
get_mailbox(node->pred_id, mailbox);
task_data_t req_data_s = xbt_new0(s_task_data_t,1);
req_data_s->type = TASK_SUCCESSOR_LEAVING;