isolationserver/messagequeue/src/msgqcreate.c
changeset 0 d0f3a028347a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/isolationserver/messagequeue/src/msgqcreate.c	Tue Feb 02 01:10:06 2010 +0200
@@ -0,0 +1,91 @@
+/** 
+ *  @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>
+#include <msgliterals.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) {
+	
+
+	    UNUSED_FORMAL_PARAM(qName);
+	    UNUSED_FORMAL_PARAM(maxMsgs);
+	    UNUSED_FORMAL_PARAM(err);
+		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((msgget((key_t) qName ,IPC_CREAT | 0666 | IPC_EXCL )) == -1 ) {
+			if ( errno == 17 ){
+			// message queue already exists
+			// now just get the hanlde to it
+			// no need to leave over here;
+			}
+		}
+			
+			if((msgget((key_t) qName ,IPC_CREAT | 0666 )) >=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);
+					
+				
+			}
+			else {
+				*err = errno;
+			}       
+		}
+		else {
+			*err = KMsgQLibParamErr;
+		}
+		
+		return(ERROR);
+}
+