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getpkt.c @ dd9cc9f7

4.104.115

Last change on this file since dd9cc9f7 was 4e89a12, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:56:25

2003-09-04 Joel Sherrill <joel@…>

addlq.c, cnvpkt.c, dump.c, fatal.c, getlq.c, getpkt.c, init.c, initlq.c, intr.c, mpci.h, mpisr.c, poll.c, receive.c, retpkt.c, send.c, setckvec.c, shm_driver.h: URL for license changed.

File size: 873 bytes

Line
1	/* Shm_Get_packet
2	*
3	* This routine is the shared memory locked queue MPCI driver
4	* routine used to obtain an empty message packet.
5	*
6	* Input parameters:
7	* packet - address of pointer to packet
8	*
9	* Output parameters:
10	* *(cpb->get_packet) - address of allocated packet
11	*
12	* COPYRIGHT (c) 1989-1999.
13	* On-Line Applications Research Corporation (OAR).
14	*
15	* The license and distribution terms for this file may be
16	* found in the file LICENSE in this distribution or at
17	* http://www.rtems.com/license/LICENSE.
18	*
19	* $Id$
20	*/
21
22	#include <rtems.h>
23	#include "shm_driver.h"
24
25	rtems_mpci_entry Shm_Get_packet(
26	rtems_packet_prefix **packet
27	)
28	{
29	Shm_Envelope_control *ecb;
30
31	ecb = Shm_Allocate_envelope();
32	if ( !ecb )
33	rtems_fatal_error_occurred ( SHM_NO_FREE_PKTS );
34	*packet = Shm_Envelope_control_to_packet_prefix_pointer( ecb );
35	}

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