kerneltest/e32test/heap/d_kheap.cpp
changeset 0 a41df078684a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/heap/d_kheap.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,228 @@
+// Copyright (c) 2006-2009 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:
+//
+// Description:
+// e32test\heap\d_kheap.cpp
+// 
+//
+
+#include "d_kheap.h"
+#include <kernel/kern_priv.h>
+
+class  DKHeap : public DLogicalChannelBase
+	{
+public:
+	DKHeap();
+	~DKHeap();
+	static TBool Handler (const TDesC8& aText, TTraceSource aTraceSource);
+protected:
+	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
+
+	TInt TestBurstFailNext(TUint aCount, TUint aBurst);
+	TInt TestBurstDeterministic(TUint aRate, TUint aBurst);
+	};
+
+DKHeap* KHeapDriver;
+
+DKHeap::DKHeap() 
+	{}
+
+DKHeap::~DKHeap() 
+	{KHeapDriver = NULL;}
+
+TInt DKHeap::DoCreate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& /*aVer*/)
+	{return KErrNone;}
+
+/**User side request entry point.*/
+TInt DKHeap::Request(TInt aFunction, TAny* a1, TAny* a2)
+	{
+	TInt r = KErrNone;
+	switch (aFunction)
+	{
+		case RKHeapDevice::ESetThreadPriorityHigh:
+			{
+			NKern::ThreadEnterCS();
+			Kern::SetThreadPriority(47);
+			NKern::ThreadLeaveCS();
+			}
+			break;
+
+		case RKHeapDevice::ECreateSharedChunk:
+			{
+			TChunkCreateInfo info;
+		    info.iType         = TChunkCreateInfo::ESharedKernelSingle;
+			info.iMaxSize      = 0x40000;
+		#ifdef __EPOC32__
+			info.iMapAttr      = EMapAttrSupRw | EMapAttrCachedWBWA | EMapAttrL2CachedWBWA;
+		#endif
+			info.iOwnsMemory   = ETrue; // Use memory from system's free pool
+			info.iDestroyedDfc = NULL;
+
+		    TLinAddr chunkAddr;
+		    TUint32 mapAttr;
+		    DChunk* chunk;
+
+			NKern::ThreadEnterCS();
+		    if (KErrNone != (r = Kern::ChunkCreate(info, chunk, chunkAddr, mapAttr)))
+				{
+				NKern::ThreadLeaveCS();
+				break;
+				}
+			Kern::ChunkClose(chunk);
+			NKern::ThreadLeaveCS();
+			}
+			break;
+
+		#ifdef __EPOC32__
+		case RKHeapDevice::ECreatHwChunk:
+			{
+			const TInt KSize = 4*1024;
+			TPhysAddr physbase;
+
+			NKern::ThreadEnterCS();
+			r = Epoc::AllocPhysicalRam(KSize, physbase);
+			if (r)	{NKern::ThreadLeaveCS();break;}
+			
+			DPlatChunkHw* hwchunk;
+			r = DPlatChunkHw::New(hwchunk, physbase, KSize, EMapAttrSupRw);
+			if (r==KErrNone)	hwchunk->Close(NULL);
+			
+			Epoc::FreePhysicalRam(physbase, KSize);
+			NKern::ThreadLeaveCS();
+			}
+			break;
+		#endif//__EPOC32__
+
+		case RKHeapDevice::ETestBurstFailNext:
+			r = TestBurstFailNext((TUint)a1, (TUint)a2);
+			break;
+
+		case RKHeapDevice::ETestBurstDeterministic:
+			r = TestBurstDeterministic((TUint)a1, (TUint)a2);
+			break;
+
+		default:
+			r=KErrNotSupported;
+		}
+	return r;
+	}
+
+
+
+TInt DKHeap::TestBurstFailNext(TUint aCount, TUint aBurst)
+	{
+	NKern::ThreadEnterCS();
+
+	TInt r = KErrNone;
+	TUint i = 0;
+	TInt* p = NULL;
+	for (; i < aCount; i++)
+		{
+		if (i < aCount - 1)
+			{
+			p = new TInt;
+			if (p == NULL)
+				{// Shouldn't have failed
+				r = KErrNoMemory;
+				goto exit;
+				}
+			delete p;
+			}
+		else 
+			{
+			for (TUint j = 0; j < aBurst; j++)
+				{
+				p = new TInt;
+				if (p != NULL)
+					{// Should be failing
+					delete p;
+					r = KErrGeneral;
+					goto exit;
+					}
+				}
+			} 
+		}
+exit:
+	NKern::ThreadLeaveCS();
+	return r;
+	}
+
+TInt DKHeap::TestBurstDeterministic(TUint aRate, TUint aBurst)
+	{
+	NKern::ThreadEnterCS();
+
+	TInt r = KErrNone;
+	TInt* p = NULL;
+	for (TUint i = 1; i <= aRate * KHeapFailCycles; i++)
+		{
+		if (i % aRate == 0)
+			{
+			for (TUint j = 0; j < aBurst; j++)
+				{
+				p = new TInt;
+				if (p != NULL)
+					{// Should have failed but didn't
+					delete p;
+					r = KErrGeneral;
+					goto exit;
+					}
+				}
+			}
+		else
+			{
+			p = new TInt;
+			if (p == NULL)
+				{// Shouldn't have failed but did
+				r = KErrNoMemory;
+				goto exit;
+				}
+			delete p;
+			}
+		}
+exit:
+	NKern::ThreadLeaveCS();
+	return r;
+	}
+
+//////////////////////////////////////////
+class DTestFactory : public DLogicalDevice
+	{
+public:
+	DTestFactory();
+	// from DLogicalDevice
+	virtual TInt Install();
+	virtual void GetCaps(TDes8& aDes) const;
+	virtual TInt Create(DLogicalChannelBase*& aChannel);
+	};
+
+DTestFactory::DTestFactory()
+    {
+    iParseMask = KDeviceAllowUnit;
+    iUnitsMask = 0x3;
+    }
+
+TInt DTestFactory::Create(DLogicalChannelBase*& aChannel)
+    {
+	KHeapDriver = new DKHeap;
+	aChannel = KHeapDriver;
+	return (aChannel ? KErrNone : KErrNoMemory);
+    }
+
+TInt DTestFactory::Install()
+    {return SetName(&KHeapTestDriverName);}
+
+void DTestFactory::GetCaps(TDes8& /*aDes*/) const	
+	{}
+
+DECLARE_STANDARD_LDD()
+	{return new DTestFactory;}