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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-9A5D0303-6C22-53A1-86DA-0431F726010B" xml:lang="en"><title>Messaging
+Dependencies</title><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>The following are the major dependencies of other subsystems on the Messaging
+subsystem: </p>
+<ul>
+<li id="GUID-E2E94CC5-C780-5B7C-8DC9-9CC4D4FF5853"><p> <b>File server:</b> needs
+to be able to clone open file handles. This allow processes to access files
+in another process’s data cages area. </p> </li>
+<li id="GUID-2FE4E644-AA53-524E-9420-419F19515CC5"><p> <b>Task scheduler:</b> needs
+to store the capabilities of the process that creates a schedule within the
+task information for that schedule. The task scheduler must data cage the
+schedule information. </p> </li>
+<li id="GUID-0BAF2FEE-3D7E-58DF-A159-8F5F47B3307E"><p> <b>Kernel:</b> a process
+needs to be able to obtain the Secure ID (SID) (that is allocated by the kernel
+to a process) and capabilities of the process that started it. </p> </li>
+<li id="GUID-C5550F67-A0B1-5564-B83C-573EBB8A6DA5"><p> <b>Application Architecture:</b> ability
+to launch an application by passing an open file handle that can then be used
+by the launched application. </p> </li>
+<li id="GUID-386D0E24-24C6-5464-88E4-517C821B26DA"><p> <b>Central repository:</b> ability
+to assign different security capabilities to settings within a repository,
+and to be able to guarantee committing multiple settings. This can be either
+as APIs to set an array of settings or as APIs to store settings in memory
+and provide a commit to disk API. </p> </li>
+<li id="GUID-A169571C-CFCB-52E3-A820-3FAE33623C95"><p> <b>ESock:</b> hosts
+the service-providing protocol modules and network interfaces. </p> </li>
+<li id="GUID-931E092A-C043-51FA-BE78-136FCC849882"><p> <b>ETel:</b> a telephony
+server to provide a generic interface to initiate, control, and terminate
+telephone calls. </p> </li>
+<li id="GUID-5947368C-87C3-54AA-B8C8-5C529CA25627"><p> <b>SQL:</b> a component
+that provides an SQL database service. </p> </li>
+</ul>
+</conbody><related-links>
+<link href="GUID-4CEB52EC-8F08-53B7-A900-AF163316D442.dita"><linktext>Messaging
+Overview</linktext></link>
+<link href="GUID-5E8AA6B6-38EB-5347-BA30-F9FF4BF7C107.dita#GUID-5E8AA6B6-38EB-5347-BA30-F9FF4BF7C107/GUID-10265557-F31B-50B3-A955-A548A5A78D7B">
+<linktext>Operating with the SQL database</linktext></link>
+</related-links></concept>
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