isolationserver/messagequeue/src/msgqsend.c
changeset 0 d0f3a028347a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/isolationserver/messagequeue/src/msgqsend.c	Tue Feb 02 01:10:06 2010 +0200
@@ -0,0 +1,77 @@
+/** 
+ *  @file MsgQSend.cpp
+ *  Description: Source file for MsgQLib's MsgQSend 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 <string.h>
+#include <msgqlib.h>
+
+#include <msgqinternal.h>
+
+/*******************************************************************************
+* MsgQSend (qName, msg, nBytes, priority, timeout, err)
+* Description:  Function for sending a message with internal copy
+*********************************************************************************/
+
+EXPORT_C int MsgQSend(ULONG qName, char* msg, ULONG nBytes, ULONG priority, int timeout, int* err)
+{
+	int         qId;
+	struct {
+		long mtype;
+		char mtext[MAX_MSG_LEN];
+	} message;
+
+	/* check parameters */
+	if ((priority == MSG_PRI_NORMAL) || (priority == MSG_PRI_URGENT)) {
+	
+		if((qId = msgget((key_t) qName ,IPC_CREAT | 0666 /*| IPC_EXCL */ )) >=0 ) {
+			
+				if( 1 ) {
+					message.mtype = 1;
+					bcopy(msg, message.mtext, nBytes);
+					message.mtext[nBytes] = '\0';
+
+					if(msgsnd (qId, &message, (size_t)nBytes+4, timeout) == OK) {
+						*err = OK;
+						/* After successfull send, unlock the message queue by using post operation on semaphore.*/
+						return (OK);
+					}
+					else {
+						*err = errno;
+					}
+				}
+				else
+					*err = errno;
+		}
+		else
+			*err = KMsgQLibQIdErr;
+	}
+	else
+		*err = KMsgQLibParamErr;
+
+	return(ERROR);
+}
+