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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [lib/] [libbsp/] [shmdr/] [getpkt.c] - Rev 1765
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/* Shm_Get_packet * * This routine is the shared memory locked queue MPCI driver * routine used to obtain an empty message packet. * * Input parameters: * packet - address of pointer to packet * * Output parameters: * *(cpb->get_packet) - address of allocated packet * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * getpkt.c,v 1.8 1999/11/30 19:57:58 joel Exp */ #include <rtems.h> #include "shm_driver.h" rtems_mpci_entry Shm_Get_packet( rtems_packet_prefix **packet ) { Shm_Envelope_control *ecb; ecb = Shm_Allocate_envelope(); if ( !ecb ) rtems_fatal_error_occurred ( SHM_NO_FREE_PKTS ); *packet = Shm_Envelope_control_to_packet_prefix_pointer( ecb ); }