author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 17:01:47 +0300 | |
branch | RCL_3 |
changeset 15 | f92a4f87e424 |
parent 0 | c9bc50fca66e |
child 16 | 012cc2ee6408 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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/** |
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@file |
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@internalComponent |
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*/ |
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#include "msmmclient.h" |
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#include <usb/usblogger.h> |
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#include <e32cmn.h> |
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#include "srvdef.h" |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "msmmclientTraces.h" |
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#endif |
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// Costants |
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const TInt KConnectRetry = 0x2; |
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//--------------------------------------------------------------------------- |
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// |
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// NON-MEMBER FUNCTIONS |
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static TInt StartServer() |
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{ |
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OstTraceFunctionEntry0( MSMMCLIENT_SRC_STARTSERVER_ENTRY ); |
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TInt ret = KErrNone; |
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// Create the server process |
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const TUidType serverUid(KNullUid, KNullUid, KMsmmServUid); |
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RProcess server; |
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_LIT(KNullCommand,""); |
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ret = server.Create(KMsmmServerBinaryName, KNullCommand, serverUid); |
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// Was server process created OK? |
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if (KErrNone != ret) |
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{ |
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OstTraceFunctionExit0( MSMMCLIENT_SRC_STARTSERVER_EXIT ); |
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return ret; |
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} |
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// Set up Rendezvous so that server thread can signal correct startup |
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TRequestStatus serverDiedRequestStatus; |
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server.Rendezvous(serverDiedRequestStatus); |
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// Status flag should still be pending as we haven't |
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// resumed the server yet! |
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if (serverDiedRequestStatus != KRequestPending) |
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{ |
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server.Kill(0); // abort the startup here |
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} |
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else |
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{ |
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server.Resume(); // start server |
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} |
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User::WaitForRequest(serverDiedRequestStatus); |
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// determine the reason for the server exit |
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TInt exitReason = (EExitPanic == server.ExitType()) ? |
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KErrGeneral : serverDiedRequestStatus.Int(); |
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server.Close(); |
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OstTraceFunctionExit0( MSMMCLIENT_SRC_STARTSERVER_EXIT_DUP1 ); |
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return exitReason; |
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} |
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//--------------------------------------------------------------------------- |
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// RMsmmSession |
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// |
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// Public member functions |
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EXPORT_C TInt RMsmmSession::Connect() |
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{ |
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OstTraceFunctionEntry0( RMSMMSESSION_CONNECT_ENTRY ); |
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TInt retry = KConnectRetry; // Attempt connect twice then give up |
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TInt ret(KErrNone); |
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FOREVER |
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{ |
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ret = CreateSession(KMsmmServerName, Version(), KDefaultMessageSlots); |
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if ((KErrNotFound != ret) && (KErrServerTerminated != ret)) |
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{ |
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break; |
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} |
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|
104 |
|
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105 |
if ((--retry) == 0) |
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106 |
{ |
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107 |
break; |
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108 |
} |
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109 |
|
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ret = StartServer(); |
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if ((KErrNone != ret) && (KErrAlreadyExists != ret)) |
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112 |
{ |
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113 |
break; |
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114 |
} |
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115 |
} |
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116 |
|
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if (KErrNone != ret) |
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118 |
{ |
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OstTrace1( TRACE_ERROR, RMSMMSESSION_CONNECT, |
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"Underlying error value = %d", ret ); |
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121 |
|
0
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ret = KErrCouldNotConnect; |
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} |
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124 |
|
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125 |
OstTraceFunctionExit0( RMSMMSESSION_CONNECT_EXIT ); |
0
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126 |
return ret; |
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127 |
} |
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128 |
|
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EXPORT_C TInt RMsmmSession::Disconnect() |
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130 |
{ |
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OstTraceFunctionEntry0( RMSMMSESSION_DISCONNECT_ENTRY ); |
0
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Close(); |
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OstTraceFunctionExit0( RMSMMSESSION_DISCONNECT_EXIT ); |
0
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134 |
return KErrNone; |
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135 |
} |
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136 |
|
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137 |
// Called to provide the version number of the server we require for this API |
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138 |
EXPORT_C TVersion RMsmmSession::Version() const |
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139 |
{ |
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140 |
OstTraceFunctionEntry0( RMSMMSESSION_VERSION_ENTRY ); |
0
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141 |
|
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142 |
return TVersion(KMsmmServMajorVersionNumber, |
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143 |
KMsmmServMinorVersionNumber, |
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144 |
KMsmmServBuildVersionNumber); |
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145 |
} |
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|
146 |
|
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147 |
EXPORT_C TInt RMsmmSession::AddFunction( |
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const TUSBMSDeviceDescription& aDevice, |
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149 |
TUint8 aInterfaceNumber, TUint32 aInterfaceToken) |
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150 |
{ |
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151 |
OstTraceFunctionEntry0( RMSMMSESSION_ADDFUNCTION_ENTRY ); |
0
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152 |
|
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153 |
TInt ret(KErrNone); |
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154 |
|
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155 |
TIpcArgs usbmsIpcArgs; |
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156 |
iDevicePkg = aDevice; // Package the device description |
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|
157 |
usbmsIpcArgs.Set(0, &iDevicePkg); |
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158 |
usbmsIpcArgs.Set(1, aInterfaceNumber); |
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|
159 |
usbmsIpcArgs.Set(2, aInterfaceToken); |
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|
160 |
|
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161 |
ret = SendReceive(EHostMsmmServerAddFunction, usbmsIpcArgs); |
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|
162 |
|
15
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|
163 |
OstTraceFunctionExit0( RMSMMSESSION_ADDFUNCTION_EXIT ); |
0
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|
164 |
return ret; |
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165 |
} |
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|
166 |
|
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|
167 |
EXPORT_C TInt RMsmmSession::RemoveDevice(TUint aDevice) |
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168 |
{ |
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|
169 |
OstTraceFunctionEntry0( RMSMMSESSION_REMOVEDEVICE_ENTRY ); |
0
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|
170 |
|
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|
171 |
TInt ret(KErrNone); |
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|
172 |
|
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|
173 |
TIpcArgs usbmsIpcArgs(aDevice); |
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|
174 |
|
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|
175 |
ret = SendReceive(EHostMsmmServerRemoveDevice, usbmsIpcArgs); |
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|
176 |
|
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|
177 |
OstTraceFunctionExit0( RMSMMSESSION_REMOVEDEVICE_EXIT ); |
0
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|
178 |
return ret; |
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|
179 |
} |
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|
180 |
|
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181 |
EXPORT_C TInt RMsmmSession::__DbgFailNext(TInt aCount) |
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182 |
{ |
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|
183 |
OstTraceFunctionEntry0( RMSMMSESSION_DBGFAILNEXT_ENTRY ); |
0
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|
184 |
|
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|
185 |
#ifdef _DEBUG |
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186 |
return SendReceive(EHostMsmmServerDbgFailNext, TIpcArgs(aCount)); |
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|
187 |
#else |
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188 |
(void)aCount; |
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|
189 |
OstTraceFunctionExit0( RMSMMSESSION_DBGFAILNEXT_EXIT ); |
0
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|
190 |
return KErrNone; |
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191 |
#endif |
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192 |
} |
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|
193 |
|
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194 |
EXPORT_C TInt RMsmmSession::__DbgAlloc() |
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195 |
{ |
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196 |
OstTraceFunctionEntry0( RMSMMSESSION_DBGALLOC_ENTRY ); |
0
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|
197 |
|
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|
198 |
#ifdef _DEBUG |
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199 |
return SendReceive(EHostMsmmServerDbgAlloc); |
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200 |
#else |
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|
201 |
OstTraceFunctionExit0( RMSMMSESSION_DBGALLOC_EXIT ); |
0
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202 |
return KErrNone; |
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203 |
#endif |
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204 |
} |
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205 |
|
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206 |
// End of file |