#define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
MSG_mailbox_put_with_timeout(mailbox, task, timeout)
#define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);
#define MSG_mailbox_put_with_time_out(mailbox, task, timeout) \
MSG_mailbox_put_with_timeout(mailbox, task, timeout)
#define MSG_process_change_host(h) MSG_process_migrate(MSG_process_self(),h);