00001 /* 00002 Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 00003 00004 Redistribution and use in source and binary forms, with or without 00005 modification, are permitted provided that the following conditions are met: 00006 00007 * Redistributions of source code must retain the above copyright notice, this 00008 list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright notice, 00010 this list of conditions and the following disclaimer in the documentation 00011 and/or other materials provided with the distribution. 00012 * Neither the name of Nokia Corporation nor the names of its contributors 00013 may be used to endorse or promote products derived from this software 00014 without specific prior written permission. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00017 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00018 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00020 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00021 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00022 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00023 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00024 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00025 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 00027 Description: 00028 */ 00029 00030 #ifndef MSGQINTERNAL_H 00031 #define MSGQINTERNAL_H 00032 00033 #include "MsgQLib.h" 00034 00035 /* data strucure used for maintaining message queues */ 00036 00037 typedef struct MsgQInfo* MSGQ_INFO_PTR; 00038 00039 typedef struct MsgQInfo { 00040 MSGQ_INFO_PTR next; /* next entry in list */ 00041 ULONG qName; /* queue name */ 00042 int qId; /* queue id */ 00043 int semId ; /* semaphore id */ 00044 ULONG sendState; /* message can be sent */ 00045 ULONG numMsgs; /* number of messages queued */ 00046 ULONG maxNumMsgs; /* maximum number of messages queued */ 00047 struct msqid_ds* slMqInfo_p; /* msg q info */ 00048 }MSGQ_INFO; 00049 00050 00051 /* Linked List used for maintaining list of all message queues created */ 00052 00053 typedef struct MsgQInfoList* MSGQ_INFO_LIST_PTR; 00054 00055 typedef struct MsgQInfoList { 00056 MSGQ_INFO_LIST_PTR next; /* next entry in list */ 00057 ULONG qName; /* queue name */ 00058 } MSGQ_INFO_LIST; 00059 00060 /* Forward Declaration of Internal Functions */ 00061 int InstallMsqQTable(ULONG qName, int qId, int semId, int* err); 00062 void AddToMsgQTable(ULONG qName); 00063 int RemoveFromMsqQTable(ULONG qName, int* err); 00064 void DeleteFromMsgQTable(ULONG qName); 00065 MSGQ_INFO* MsgQTableLookup(ULONG qName); 00066 00067 #endif /* MSGQINTERNAL_H */