-void *MSG_process_get_data(m_process_t process);
-MSG_error_t MSG_process_set_data(m_process_t process, void *data);
-m_host_t MSG_process_get_host(m_process_t process);
-m_process_t MSG_process_from_PID(int PID);
-int MSG_process_get_PID(m_process_t process);
-int MSG_process_get_PPID(m_process_t process);
-const char *MSG_process_get_name(m_process_t process);
-int MSG_process_self_PID(void);
-int MSG_process_self_PPID(void);
-m_process_t MSG_process_self(void);
+XBT_PUBLIC(m_task_t) MSG_task_create(const char *name, double compute_duration,
+ double message_size, void *data);
+XBT_PUBLIC(m_task_t) MSG_parallel_task_create(const char *name,
+ int host_nb,
+ const m_host_t *host_list,
+ double *computation_amount,
+ double *communication_amount,
+ void *data);
+XBT_PUBLIC(void*) MSG_task_get_data(m_task_t task);
+XBT_PUBLIC(m_process_t) MSG_task_get_sender(m_task_t task);
+XBT_PUBLIC(m_host_t) MSG_task_get_source(m_task_t task);
+XBT_PUBLIC(const char *) MSG_task_get_name(m_task_t task);
+XBT_PUBLIC(MSG_error_t) MSG_task_cancel(m_task_t task);
+XBT_PUBLIC(MSG_error_t) MSG_task_destroy(m_task_t task);
+
+XBT_PUBLIC(MSG_error_t) MSG_task_get(m_task_t * task, m_channel_t channel);
+XBT_PUBLIC(MSG_error_t) MSG_task_get_with_timeout(m_task_t * task, m_channel_t channel,
+ double max_duration);
+XBT_PUBLIC(MSG_error_t) MSG_task_get_from_host(m_task_t * task, int channel,
+ m_host_t host);
+MSG_error_t
+MSG_task_receive_from_host(m_task_t * task, const char* alias, m_host_t host);
+XBT_PUBLIC(MSG_error_t) MSG_task_get_ext(m_task_t * task, int channel,
+ double max_duration, m_host_t host);
+
+
+XBT_PUBLIC(MSG_error_t) MSG_task_put(m_task_t task, m_host_t dest,
+ m_channel_t channel);
+XBT_PUBLIC(MSG_error_t) MSG_task_put_bounded(m_task_t task,
+ m_host_t dest, m_channel_t channel,
+ double max_rate);
+XBT_PUBLIC(MSG_error_t) MSG_task_put_with_timeout(m_task_t task, m_host_t dest,
+ m_channel_t channel, double max_duration);
+XBT_PUBLIC(MSG_error_t) MSG_task_execute(m_task_t task);
+XBT_PUBLIC(MSG_error_t) MSG_parallel_task_execute(m_task_t task);
+XBT_PUBLIC(void) MSG_task_set_priority(m_task_t task, double priority);