author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 12 Mar 2010 15:47:04 +0200 | |
branch | RCL_3 |
changeset 5 | 433cbbb6a04b |
parent 0 | 15bf7259bb7c |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2008 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: A Synch Object thread for EGL resource monitoring |
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* |
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*/ |
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|
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|
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typedef void* EGLSync; |
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typedef EGLSync (*eglCreateSync)(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list); |
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typedef EGLBoolean (*eglDestroySync)(EGLDisplay dpy, EGLSync sync); |
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typedef EGLint (*eglClientWaitSync)(EGLDisplay dpy, EGLSync sync, EGLint flags, TUint64 timeout); |
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#ifndef EGL_SYNC_CONDITION_KHR |
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#define EGL_SYNC_CONDITION_KHR 0x30f8 |
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#endif |
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_LIT(KGoomAsyncWaitThreadName,"goom_asy"); |
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|
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NONSHARABLE_CLASS(CGoomThresholdCrossed): public CActive |
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{ |
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public: |
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CGoomThresholdCrossed(CMemoryMonitor& aMonitor, TUint aAction, TInt aThreshold) |
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:CActive(CActive::EPriorityHigh), |
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iMarkerState(KErrNotFound), |
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iActiveThreshold(aThreshold), |
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iAction(aAction), |
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iThread(RThread().Id()), |
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iMonitor(aMonitor) |
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{ |
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FUNC_LOG; |
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CActiveScheduler::Add(this); |
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iSema.CreateLocal(); |
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iStop.CreateLocal(); |
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iThreadName.Append(KGoomAsyncWaitThreadName); |
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iThreadName.AppendNum(aAction); // assuming single observer for an action |
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RequestNotifications(); |
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} |
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// --------------------------------------------------------------------------- |
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// Thread name |
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// Thread name consists on constant part and action that triggers the ao |
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// --------------------------------------------------------------------------- |
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// |
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const TDesC& ThreadName() |
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{ |
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FUNC_LOG; |
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return iThreadName; |
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} |
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void Stop() |
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{ |
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if (!iPaused) |
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{ |
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iStop.Wait(); |
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iPaused = ETrue; |
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ResetThresholds(); |
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} |
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} |
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void Continue() |
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{ |
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if (iPaused) |
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{ |
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iStop.Signal(); |
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iPaused = EFalse; |
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} |
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} |
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// --------------------------------------------------------------------------- |
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// Destructor |
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// Standard destructor, cancels pending request and releases egl wait |
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// --------------------------------------------------------------------------- |
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// |
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~CGoomThresholdCrossed() |
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{ |
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FUNC_LOG; |
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Cancel(); |
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iSema.Close(); |
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iStop.Close(); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// SetThreshold |
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// Destroys the synch object so EGL busy loop will get new values |
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// --------------------------------------------------------------------------- |
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// |
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void SetThreshold(TInt aThreshold) |
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{ |
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FUNC_LOG; |
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if (iActiveThreshold != aThreshold) |
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{ |
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iActiveThreshold = aThreshold; |
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ResetThresholds(); |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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// ResetThresholds |
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// See SetThreshold. Releases synch object |
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// --------------------------------------------------------------------------- |
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// |
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void ResetThresholds() |
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112 |
{ |
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FUNC_LOG; |
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if (iMarkerState == KErrNone) |
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{ |
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iMarkerState = KErrDied; |
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eglDestroySync_fptr(iDpy, iMarker); |
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} |
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} |
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120 |
|
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// --------------------------------------------------------------------------- |
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// StartRequestEvents |
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// Busy loop that is blocked by egl wait. exit on Cancel. |
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// Runs on separate thread. |
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// --------------------------------------------------------------------------- |
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// |
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void StartRequestEvents() |
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128 |
{ |
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FUNC_LOG; |
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iDpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
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EGLint major, minor; |
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eglInitialize(iDpy, &major, &minor); |
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133 |
|
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eglCreateSync_fptr = (eglCreateSync)eglGetProcAddress("eglCreateSyncKHR"); |
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eglDestroySync_fptr = (eglDestroySync)eglGetProcAddress("eglDestroySyncKHR"); |
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eglClientWaitSync_fptr = (eglClientWaitSync)eglGetProcAddress("eglClientWaitSyncKHR"); |
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if (!eglCreateSync_fptr || !eglDestroySync_fptr || !eglClientWaitSync_fptr ) |
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138 |
{ |
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/* Free allocated memory */ |
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eglTerminate(iDpy); |
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return; |
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} |
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143 |
|
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while(!iCancelled) |
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145 |
{ |
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iStop.Wait(); |
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iStop.Signal(); |
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TUint usedThreshold = Min(iActiveThreshold,32*1024*1024) ; |
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TUint action = iAction; |
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const EGLint sync_attribs[] = |
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151 |
{ |
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EGL_SYNC_CONDITION_KHR, action, |
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EGL_PROF_MEMORY_USAGE_THRESHOLD_NOK, 32*1024*1024-usedThreshold, |
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EGL_NONE |
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}; |
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156 |
|
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/* Create a resource profiling sync */ |
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iMarker = eglCreateSync_fptr(iDpy, |
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EGL_SYNC_RESOURCE_PROFILING_NOK, |
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sync_attribs); |
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iMarkerState = KErrNone; |
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162 |
|
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/* Wait until graphics memory usage exceeds the given threshold */ |
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eglClientWaitSync_fptr(iDpy, iMarker, 0, EGL_FOREVER_KHR); |
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165 |
|
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if (iMarkerState != KErrDied) |
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167 |
{ |
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eglDestroySync_fptr(iDpy, iMarker); |
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Trigger(action/*, usedThreshold*/); |
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} |
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} |
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172 |
|
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/* Free allocated memory */ |
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eglTerminate(iDpy); |
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iMarkerState = KErrNotFound; |
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} |
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177 |
|
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// --------------------------------------------------------------------------- |
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// RequestNotifications |
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// Setting listener for changes, no queue at the moment |
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// --------------------------------------------------------------------------- |
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// |
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void RequestNotifications(TBool aWasPaused = EFalse) |
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184 |
{ |
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FUNC_LOG; |
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iSema.Wait(); |
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iStatus = KRequestPending; |
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SetActive(); |
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iSema.Signal(); |
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if (!aWasPaused) |
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191 |
{ |
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Continue(); |
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} |
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} |
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195 |
|
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// --------------------------------------------------------------------------- |
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// Trigger |
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// Letting mainthread to know that threshold was crossed |
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// --------------------------------------------------------------------------- |
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200 |
// |
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void Trigger(TInt aReason) |
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{ |
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FUNC_LOG; |
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iSema.Wait(); |
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if (IsActive() && iStatus == KRequestPending) |
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{ |
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Stop(); |
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RThread t; |
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TInt err = t.Open(iThread); |
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if (err) |
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211 |
{ |
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RDebug::Print(_L("CGoomThresholdCrossed::Trigger() RThread::Open() error: %d"), err ); |
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User::Invariant(); |
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} |
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TRequestStatus* status = &iStatus; |
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t.RequestComplete(status, aReason); |
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t.Close(); |
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} |
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iSema.Signal(); |
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} |
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221 |
|
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// --------------------------------------------------------------------------- |
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// RunL() |
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224 |
// Thread safe way to hanlde crossed threshold in main thread |
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225 |
// --------------------------------------------------------------------------- |
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226 |
// |
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227 |
void RunL() |
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228 |
{ |
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FUNC_LOG; |
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switch (iStatus.Int()) |
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231 |
{ |
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232 |
case KErrNone: |
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233 |
break; |
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234 |
case KErrCancel: |
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235 |
return; |
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236 |
default: |
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237 |
break; |
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238 |
} |
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|
239 |
|
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240 |
TInt thresholdType = iStatus.Int(); |
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|
241 |
|
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|
242 |
TRAP_IGNORE(iMonitor.FreeMemThresholdCrossedL(thresholdType, iAction)); |
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|
243 |
|
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|
244 |
RequestNotifications(iPaused); |
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245 |
} |
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|
246 |
|
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247 |
// --------------------------------------------------------------------------- |
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248 |
// Cancel |
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249 |
// Cancels the busy loop even the Object was not active |
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250 |
// --------------------------------------------------------------------------- |
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251 |
// |
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252 |
void Cancel() |
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253 |
{ |
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|
254 |
FUNC_LOG; |
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|
255 |
iCancelled = ETrue; |
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|
256 |
ResetThresholds(); |
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|
257 |
CActive::Cancel(); |
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258 |
} |
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|
259 |
|
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|
260 |
// --------------------------------------------------------------------------- |
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|
261 |
// DoCancel |
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Revision: 201003
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|
262 |
// Cancels the active object |
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|
263 |
// --------------------------------------------------------------------------- |
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Revision: 201003
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|
264 |
// |
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|
265 |
void DoCancel() |
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|
266 |
{ |
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Revision: 201003
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|
267 |
FUNC_LOG; |
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|
268 |
Trigger(KErrCancel); |
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Revision: 201003
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|
269 |
} |
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Revision: 201003
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diff
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|
270 |
|
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Revision: 201003
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|
271 |
EGLSync iMarker; |
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Revision: 201003
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|
272 |
TInt iMarkerState; |
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Revision: 201003
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|
273 |
TUint iActiveThreshold; |
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Revision: 201003
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|
274 |
TUint iAction; |
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Revision: 201003
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|
275 |
TBool iCancelled; |
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Revision: 201003
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|
276 |
RCriticalSection iSema; |
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|
277 |
TThreadId iThread; |
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Revision: 201003
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|
278 |
eglCreateSync eglCreateSync_fptr; |
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Revision: 201003
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|
279 |
eglDestroySync eglDestroySync_fptr; |
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Revision: 201003
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|
280 |
eglClientWaitSync eglClientWaitSync_fptr ; |
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Revision: 201003
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|
281 |
CMemoryMonitor& iMonitor; |
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Revision: 201003
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|
282 |
TBuf<16> iThreadName; |
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Revision: 201003
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|
283 |
EGLDisplay iDpy; |
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Revision: 201003
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|
284 |
TBool iPaused; |
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Revision: 201003
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|
285 |
RCriticalSection iStop; |
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Revision: 201003
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diff
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|
286 |
}; |
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Revision: 201003
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parents:
diff
changeset
|
287 |
|
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Revision: 201003
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|
288 |
// --------------------------------------------------------------------------- |
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Revision: 201003
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|
289 |
// Entry point into the new thread |
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Revision: 201003
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|
290 |
// --------------------------------------------------------------------------- |
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Revision: 201003
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|
291 |
// |
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Revision: 201003
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parents:
diff
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|
292 |
GLDEF_C TInt EGLSynchObjThreadStartFunction(TAny* aBridge) |
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Revision: 201003
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|
293 |
{ |
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Revision: 201003
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|
294 |
CTrapCleanup* trapCleanup = CTrapCleanup::New(); |
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Revision: 201003
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|
295 |
if (!trapCleanup) |
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Revision: 201003
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|
296 |
{ |
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Revision: 201003
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|
297 |
return KErrNoMemory; |
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Revision: 201003
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|
298 |
} |
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Revision: 201003
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parents:
diff
changeset
|
299 |
|
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Revision: 201003
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|
300 |
CGoomThresholdCrossed* ao = static_cast<CGoomThresholdCrossed*>(aBridge); |
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Revision: 201003
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parents:
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|
301 |
TInt err = User::RenameThread(ao->ThreadName()); |
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Revision: 201003
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parents:
diff
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|
302 |
RThread().SetPriority(EPriorityAbsoluteHigh); |
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Revision: 201003
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parents:
diff
changeset
|
303 |
ao->StartRequestEvents(); |
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Revision: 201003
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parents:
diff
changeset
|
304 |
|
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Revision: 201003
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parents:
diff
changeset
|
305 |
delete trapCleanup; |
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Revision: 201003
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parents:
diff
changeset
|
306 |
return err; |
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Revision: 201003
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parents:
diff
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|
307 |
} |
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Revision: 201003
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parents:
diff
changeset
|
308 |
|
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Revision: 201003
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parents:
diff
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|
309 |
CGoomThresholdCrossed* CreateThresholdCrossedThreadL(CMemoryMonitor& aMonitor, TUint aAction, TInt aThreshold) |
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Revision: 201003
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parents:
diff
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|
310 |
{ |
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Revision: 201003
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parents:
diff
changeset
|
311 |
FUNC_LOG; |
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Revision: 201003
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parents:
diff
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|
312 |
CGoomThresholdCrossed* ao = new (ELeave) CGoomThresholdCrossed(aMonitor, aAction, aThreshold); |
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Revision: 201003
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parents:
diff
changeset
|
313 |
CleanupStack::PushL(ao); |
15bf7259bb7c
Revision: 201003
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parents:
diff
changeset
|
314 |
RThread syncThread; |
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Revision: 201003
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parents:
diff
changeset
|
315 |
|
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Revision: 201003
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parents:
diff
changeset
|
316 |
User::LeaveIfError(syncThread.Create( |
15bf7259bb7c
Revision: 201003
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parents:
diff
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|
317 |
ao->ThreadName(), |
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Revision: 201003
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parents:
diff
changeset
|
318 |
EGLSynchObjThreadStartFunction, |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
319 |
16384, // magic |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
320 |
0, // uses same heap |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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321 |
(TAny*)ao, |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
EOwnerThread)); |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
323 |
|
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
syncThread.Resume(); |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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325 |
syncThread.Close(); |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
CleanupStack::Pop(); |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
return ao; |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
} |
15bf7259bb7c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |