/**
* @file MsgQInternal.h
* Description: Internal Header file for MsgQLib
* Copyright (c) 2007 Nokia Corporation.
* All rights reserved.
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.Redistributions in binary form must
* reproduce the above copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of the Nokia Corporation nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MSGQINTERNAL_H
#define MSGQINTERNAL_H
#include <msgqlib.h>
#ifdef __cplusplus
extern "C" {
#endif
/* data strucure used for maintaining message queues */
typedef struct MsgQInfo* MSGQ_INFO_PTR;
typedef struct MsgQInfo {
MSGQ_INFO_PTR next; /* next entry in list */
ULONG qName; /* queue name */
int qId; /* queue id */
int semId ; /* semaphore id */
ULONG sendState; /* message can be sent */
ULONG numMsgs; /* number of messages queued */
ULONG maxNumMsgs; /* maximum number of messages queued */
struct msqid_ds* slMqInfo_p; /* msg q info */
}MSGQ_INFO;
/* Linked List used for maintaining list of all message queues created */
typedef struct MsgQInfoList* MSGQ_INFO_LIST_PTR;
typedef struct MsgQInfoList {
MSGQ_INFO_LIST_PTR next; /* next entry in list */
ULONG qName; /* queue name */
} MSGQ_INFO_LIST;
/* Forward Declaration of Internal Functions */
int InstallMsqQTable(ULONG qName, int qId, int semId, int* err);
void AddToMsgQTable(ULONG qName);
int RemoveFromMsqQTable(ULONG qName, int* err);
void DeleteFromMsgQTable(ULONG qName);
MSGQ_INFO* MsgQTableLookup(ULONG qName);
#ifdef __cplusplus
}
#endif
#endif /* MSGQINTERNAL_H */