MSG_error_t MSG_task_get(m_task_t * task, m_channel_t channel);
MSG_error_t MSG_task_put(m_task_t task, m_host_t dest,
m_channel_t channel);
+MSG_error_t MSG_task_put_bounded(m_task_t task,
+ m_host_t dest, m_channel_t channel,
+ long double max_rate);
MSG_error_t MSG_task_execute(m_task_t task);
int MSG_task_Iprobe(m_channel_t channel);
int MSG_task_probe_from(m_channel_t channel);