RTEMS ITRON 3.0 API User's Guide
ER rcv_msg( T_MSG **ppk_msg, ID mbxid );
E_OK - Normal completion
E_ID - Invalid ID number
E_NOEXS - Object does not exist
E_OACV - Object access violation
E_PAR - Parameter error
E_DLT - The object being waited for was deleted
E_RLWAI - WAIT state was forcibly released
E_CTX - Context error
If there is no message then receiver blocks, if not empty then it takes the first message of the queue.
NONE
RTEMS ITRON 3.0 API User's Guide
Copyright © 1988-2004 OAR Corporation