--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/isolationserver/messagequeue/src/msgqcreate-del.c Tue Feb 02 01:10:06 2010 +0200
@@ -0,0 +1,116 @@
+/**
+ * @file MsgQCreate.cpp
+ * Description: Source file for MsgQLib's MsgQCreate API
+ * 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.
+ */
+
+#include <errno.h>
+#include <sys/msg.h>
+#include <sys/sem.h>
+#include <MsgQInternal.h>
+
+
+/********************************************************************************
+* MsgQCreate
+* Description: Creates a message queue
+* Inputs:
+* qName : ULONG that represents the queue name
+* maxMsgs : ULONG that represents maximum size of messages
+*********************************************************************************/
+EXPORT_C int MsgQCreate(ULONG qName, ULONG maxMsgs, ULONG qOptions, int* err) {
+ int qId;
+ //int semId;
+ //int semName ;
+ struct msqid_ds qStatus ;
+ //struct semid_ds sStatus ;
+
+ //union semun {
+ // int val;
+ // struct semid_ds* buf;
+ // ushort_t* array;
+ //} arg ;
+
+ int hashInstErr;
+
+ //if (MsgQTableLookup(qName) != NULL) {
+ // *err = OK;
+ // return (OK);
+ //}
+ //else {
+ if((qOptions == MSG_Q_FIFO) || (qOptions == MSG_Q_PRIORITY)) {
+ // Set msg queue options to FIFO and create the message queue
+ qOptions= MSG_Q_FIFO ;
+
+ if((qId = msgget((key_t) qName ,IPC_CREAT | 0666 | IPC_EXCL )) >=0 ) {
+ // set msg queue parameter max # bytes in queue
+
+ if( msgctl(qId,IPC_STAT,&qStatus) == 0 )
+
+ if( qStatus.msg_qbytes > (maxMsgs * MAX_MSG_LEN) ) {
+ qStatus.msg_qbytes = maxMsgs * MAX_MSG_LEN ;
+ if( msgctl(qId,IPC_SET,&qStatus) < 0) {
+ // delete message queue on error
+ msgctl(qId,IPC_RMID,0);
+ *err = errno;
+ return(ERROR);
+ }
+ }
+ *err = OK;
+ return (OK);
+
+ // create semaphore
+ //semName= (key_t) qName;
+ //if((semId = semget(semName, 1, IPC_CREAT | 0666 |IPC_EXCL )) >= 0 ) {
+ // set the semaphore value
+ // arg.buf = &sStatus;
+ // arg.val = 1;
+ // semctl(semId , 0, SETVAL, arg) ;
+
+ //install queue data in hash table
+ // if(InstallMsqQTable(qName, qId, semId, &hashInstErr) == OK) {
+ // AddToMsgQTable(qName);
+ // *err = OK;
+ // return (OK);
+ // }
+ // else {
+ //delete semaphore on error
+ // semctl(semId,0,IPC_RMID,0) ;
+ // *err = hashInstErr;
+ // }
+ //}
+ //else {
+ // delete message queue on error
+ // msgctl(qId,IPC_RMID,0);
+ // *err = errno;
+ //}
+ }
+ else {
+ *err = errno;
+ }
+ }
+ else
+ *err = KMsgQLibParamErr;
+
+ return(ERROR);
+ //}
+}
+