kerneltest/e32test/demandpaging/t_pagetable_limit.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 13:38:45 +0200
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Revision: 201001 Kit: 201001
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// Copyright (c) 2009 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 the License "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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// e32test\demandpaging\t_pagetable_limit.cpp
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// Tests to expose the limit of page table virtual address space.
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// 
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//
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//! @SYMTestCaseID			KBASE-T_PAGETABLE_LIMIT
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//! @SYMTestType			UT
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//! @SYMPREQ				PREQ1490
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//! @SYMTestCaseDesc		Tests to expose the limit of page table virtual address space.
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//! @SYMTestActions			Test that a paged page table can always be acquired.
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//! @SYMTestExpectedResults All tests should pass.
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//! @SYMTestPriority        High
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//! @SYMTestStatus          Implemented
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#define __E32TEST_EXTENSION__
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#include <e32test.h>
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#include <dptest.h>
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#include <e32svr.h>
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#include <u32std.h>
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#include <hal.h>
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#include "t_dpcmn.h"
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RTest test(_L("T_PAGETABLE_LIMIT"));
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_LIT(KClientPtServerName, "CClientPtServer");
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_LIT(KClientProcessName, "T_PAGETABLE_LIMIT");
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enum TClientMsgType
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	{
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	EClientConnect = -1,
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	EClientDisconnect = -2,
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	EClientGetChunk = 0,
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	EClientReadChunks = 1,
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	};
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class RDataPagingSession : public RSessionBase
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	{
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public:
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	TInt CreateSession(const TDesC& aServerName, TInt aMsgSlots) 
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		{ 
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		return RSessionBase::CreateSession(aServerName,User::Version(),aMsgSlots);
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		}
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	TInt PublicSendReceive(TInt aFunction, const TIpcArgs &aPtr)
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		{
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		return (SendReceive(aFunction, aPtr));
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		}
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	TInt PublicSend(TInt aFunction, const TIpcArgs &aPtr)
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		{
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		return (Send(aFunction, aPtr));
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		}
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	};
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TInt ClientProcess(TInt aLen)
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	{
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	// Read the command line to get the number of chunk to map and whether or 
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	// not to access their data.
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	HBufC* buf = HBufC::New(aLen);
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	test(buf != NULL);
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	TPtr ptr = buf->Des();
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	User::CommandLine(ptr);
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	TLex lex(ptr);
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	TInt chunkCount;
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	TInt r = lex.Val(chunkCount);
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	test_KErrNone(r);
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	lex.SkipSpace();
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	TBool accessData;
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	r = lex.Val(accessData);
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	test_KErrNone(r);
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	RDataPagingSession session;
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	test_KErrNone(session.CreateSession(KClientPtServerName, 1));
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	RChunk* chunks = new RChunk[chunkCount];
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	for (TInt i = 0; i < chunkCount; i++)
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		{
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		TInt r = chunks[i].SetReturnedHandle(session.PublicSendReceive(EClientGetChunk, TIpcArgs(i)));
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		if (r != KErrNone)
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			{
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			test.Printf(_L("Failed to create a handle to the server's chunk r=%d\n"), r);
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			for (TInt j = 0; j < i; j++)
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				chunks[j].Close();
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			session.Close();
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			return r;
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			}
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		test_Value(chunks[i].Size(), chunks[i].Size() >= gPageSize);
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		}
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	if (!accessData)
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		{
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		// Touch the 1st page of each of the chunks.
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		for (TInt i = 0; i < chunkCount; i++)
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			{
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			// Write the chunk data from top to bottom of the chunk's first page.
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			TUint8* base = chunks[i].Base();
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			TUint8* end = base + gPageSize - 1;
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   114
			*base = *end;
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   115
			}
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   116
		// Tell parent we've touched each chunk.
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   117
		TInt r =  (TThreadId)session.PublicSendReceive(EClientReadChunks,TIpcArgs());	// Assumes id is only 32-bit.
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   118
		test_KErrNone(r);
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   119
		for(;;)
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   120
			{// Wake up every 100ms to be killed by the main process.
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			User::After(100000);
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   122
			}
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   123
		}
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	else
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   125
		{
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   126
		for (;;)
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   127
			{
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			TInt offset = 0;
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			for (TInt i = 0; i < chunkCount; i++)
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   130
				{
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   131
				// Write the chunk data from top to bottom of the chunk's first page.
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   132
				TUint8* base = chunks[i].Base();
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   133
				TUint8* end = base + gPageSize - 1;
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   134
				*(base + offset) = *(end - offset);
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   135
				}
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   136
			if (++offset >= (gPageSize >> 1))
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   137
				offset = 0;
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   138
			}
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   139
		}
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   140
	}
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   141
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diff changeset
   142
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   143
void TestMaxPt()
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   144
	{
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   145
	// Flexible memory model reserves 0xF800000-0xFFF00000 for page tables
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   146
	// this allows 130,048 pages tables.  Therefore mapping 1000 one 
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   147
	// page chunks into 256 processes would require 256,000 page tables, i.e.
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   148
	// more than enough to hit the limit.  So that the limit is reached in the middle,
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   149
	// map 500 unpaged and 500 paged chunks in each process.
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   150
	const TUint KNumChunks = 1000;
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   151
	const TUint KPagedChunksStart = (KNumChunks >> 1);
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   152
	const TUint KNumProcesses = 256;
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   153
	const TInt KMinFreeRam = (1000 * gPageSize) + (130048 * (gPageSize>>2));
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   154
	TInt freeRam;
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   155
	HAL::Get(HALData::EMemoryRAMFree, freeRam);
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   156
	if (freeRam < KMinFreeRam)
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   157
		{
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   158
		test.Printf(_L("Only 0x%x bytes of free RAM not enough to perform the test.  Skipping test.\n"), freeRam);
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   159
		return;
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   160
		}
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   161
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   162
	// Remove the maximum limit on the cache size as the test requires that it can
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   163
	// allocate as many page tables as possible but without stealing any pages as
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   164
	// stealing pages may indirectly steal paged page table pages.
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   165
	TUint minCacheSize, maxCacheSize, currentCacheSize;
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   166
	DPTest::CacheSize(minCacheSize,maxCacheSize,currentCacheSize);
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   167
	test_KErrNone(DPTest::SetCacheSize(minCacheSize, KMaxTUint));
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   168
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   169
	RServer2 ptServer;
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   170
	TInt r = ptServer.CreateGlobal(KClientPtServerName);
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   171
	test_KErrNone(r);
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   172
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   173
	// Create the global unpaged chunks.  They have one page committed
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   174
	// but have a maximum size large enough to prevent their page tables being
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   175
	// shared between the chunks.  On arm with 4KB pages each page table maps 1MB
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diff changeset
   176
	// so make chunk 1MB+4KB so chunk requires 2 page tables and is not aligned on
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   177
	// a 1MB boundary so it is a fine memory object.
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   178
	const TUint KChunkSize = (1024 * 1024) + gPageSize;
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   179
	RChunk* chunks = new RChunk[KNumChunks];
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   180
	TChunkCreateInfo createInfo;
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   181
	createInfo.SetNormal(gPageSize, KChunkSize);
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   182
	createInfo.SetGlobal(KNullDesC);
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   183
	createInfo.SetPaging(TChunkCreateInfo::EUnpaged);
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   184
	TUint i = 0;
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   185
	for (; i < KPagedChunksStart; i++)
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diff changeset
   186
		{
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   187
		r = chunks[i].Create(createInfo);
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   188
		test_KErrNone(r);
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diff changeset
   189
		}
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   190
	// Create paged chunks.
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diff changeset
   191
	createInfo.SetPaging(TChunkCreateInfo::EPaged);
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   192
	for (; i< KNumChunks; i++)
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diff changeset
   193
		{
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diff changeset
   194
		r = chunks[i].Create(createInfo);
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diff changeset
   195
		test_KErrNone(r);
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   196
		}
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diff changeset
   197
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   198
	// Start remote processes, giving each process handles to each chunk.
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   199
	RProcess* processes = new RProcess[KNumProcesses];
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   200
	RMessage2 ptMessage;
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diff changeset
   201
	TUint processIndex = 0;
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   202
	TUint processLimit = 0;
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   203
	for (; processIndex < KNumProcesses; processIndex++)
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diff changeset
   204
		{
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diff changeset
   205
		// Start the process.
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diff changeset
   206
		test.Printf(_L("Creating process %d\n"), processIndex);
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diff changeset
   207
		TBuf<80> args;
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diff changeset
   208
		args.AppendFormat(_L("%d %d"), KNumChunks, EFalse);
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parents:
diff changeset
   209
		r = processes[processIndex].Create(KClientProcessName, args);
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diff changeset
   210
		test_KErrNone(r);
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diff changeset
   211
		TRequestStatus s;
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diff changeset
   212
		processes[processIndex].Logon(s);
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parents:
diff changeset
   213
		test_Equal(KRequestPending, s.Int());
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diff changeset
   214
		processes[processIndex].Resume();
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parents:
diff changeset
   215
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diff changeset
   216
		ptServer.Receive(ptMessage);
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diff changeset
   217
		test_Equal(EClientConnect, ptMessage.Function());
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parents:
diff changeset
   218
		ptMessage.Complete(KErrNone);
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parents:
diff changeset
   219
		TInt func = EClientGetChunk;
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parents:
diff changeset
   220
		TUint chunkIndex = 0;
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parents:
diff changeset
   221
		for (; chunkIndex < KNumChunks && func == EClientGetChunk; chunkIndex++)
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parents:
diff changeset
   222
			{// Pass handles to all the unpaged chunks to the new process.
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parents:
diff changeset
   223
			ptServer.Receive(ptMessage);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
			func = ptMessage.Function();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
			if (func == EClientGetChunk)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
				{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
				TUint index = ptMessage.Int0();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
				ptMessage.Complete(chunks[index]);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
				}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   230
			}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   231
		if (func != EClientGetChunk)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   232
			{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   233
			// Should hit the limit of page tables and this process instance should exit
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   234
			// sending a disconnect message in the process.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   235
			test_Equal(EClientDisconnect, func);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   236
			// Should only fail when mapping unpaged chunks.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   237
			test_Value(chunkIndex, chunkIndex < (KNumChunks >> 1));
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   238
			break;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   239
			}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   240
		// Wait for the process to access all the chunks and therefore 
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   241
		// allocate the paged page tables before moving onto the next process.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   242
		ptServer.Receive(ptMessage);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   243
		func = ptMessage.Function();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   244
		test_Equal(EClientReadChunks, func);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   245
		ptMessage.Complete(KErrNone);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   246
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   247
		// Should have mapped all the required chunks.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   248
		test_Equal(KNumChunks, chunkIndex);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   249
		}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   250
	// Should hit page table limit before KNumProcesses have been created.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   251
	test_Value(processIndex, processIndex < KNumProcesses - 1);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   252
	processLimit = processIndex;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   253
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   254
	// Now create more processes to access paged data even though the page table 
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   255
	// address space has been exhausted.  Limit to 10 more processes as test takes 
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   256
	// long enough already.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   257
	processIndex++;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   258
	TUint excessProcesses = KNumProcesses - processIndex;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   259
	TUint pagedIndexEnd = (excessProcesses > 10)? processIndex + 10 : processIndex + excessProcesses;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   260
	for (; processIndex < pagedIndexEnd; processIndex++)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   261
		{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   262
		// Start the process.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   263
		test.Printf(_L("Creating process %d\n"), processIndex);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   264
		TBuf<80> args;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   265
		args.AppendFormat(_L("%d %d"), KNumChunks-KPagedChunksStart, ETrue);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   266
		r = processes[processIndex].Create(KClientProcessName, args);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   267
		if (r != KErrNone)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   268
			{// Have hit the limit of processes.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   269
			processIndex--;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   270
			// Should have created at least one more process.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   271
			test_Value(processIndex, processIndex > processLimit);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   272
			break;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   273
			}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   274
		TRequestStatus s;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   275
		processes[processIndex].Logon(s);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   276
		test_Equal(KRequestPending, s.Int());
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   277
		processes[processIndex].Resume();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   278
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   279
		ptServer.Receive(ptMessage);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   280
		test_Equal(EClientConnect, ptMessage.Function());
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   281
		ptMessage.Complete(KErrNone);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   282
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   283
		TInt func = EClientGetChunk;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   284
		TUint chunkIndex = KPagedChunksStart;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   285
		for (; chunkIndex < KNumChunks && func == EClientGetChunk; chunkIndex++)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   286
			{// Pass handles to all the unpaged chunks to the new process.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   287
			ptServer.Receive(ptMessage);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   288
			func = ptMessage.Function();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   289
			if (func == EClientGetChunk)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   290
				{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   291
				TUint index = ptMessage.Int0() + KPagedChunksStart;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   292
				ptMessage.Complete(chunks[index]);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   293
				}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
			}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
		if (func != EClientGetChunk)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   296
			{// Reached memory limits so exit.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   297
			test_Equal(EClientDisconnect, func);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   298
			// Should have created at least one more process.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   299
			test_Value(processIndex, processIndex > processLimit+1);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   300
			break;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
			}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   302
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   303
		// Should have mapped all the required chunks.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   304
		test_Equal(KNumChunks, chunkIndex);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   305
		}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   306
	// If we reached the end of then ensure that we kill only the running processes.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   307
	if (processIndex == pagedIndexEnd)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   308
		processIndex--;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   309
	// Kill all the remote processes
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   310
	for(TInt j = processIndex; j >= 0; j--)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   311
		{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   312
		test.Printf(_L("killing process %d\n"), j);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   313
		TRequestStatus req;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   314
		processes[j].Logon(req);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   315
		if (req == KRequestPending)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   316
			{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   317
			processes[j].Kill(KErrNone);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   318
			User::WaitForRequest(req);
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   319
			}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   320
		processes[j].Close();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
		}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   322
	delete[] processes;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
	// Close the chunks.
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   324
	for (TUint k = 0; k < KNumChunks; k++)
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
		chunks[k].Close();
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
	delete[] chunks;
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
	
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
	test_KErrNone(DPTest::SetCacheSize(minCacheSize, maxCacheSize));
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
	}
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
TInt E32Main()
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
	{
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
	test_KErrNone(UserHal::PageSizeInBytes(gPageSize));
0173bcd7697c Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
0173bcd7697c Revision: 201001
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   336
	TUint len = User::CommandLineLength();
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	if (len > 0)
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		{
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		return ClientProcess(len);
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		}
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   341
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	test.Title();
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	test_KErrNone(GetGlobalPolicies());
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   344
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   345
	if (!gDataPagingSupported)
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		{
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		test.Printf(_L("Data paging not enabled so skipping test...\n"));
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		return KErrNone;
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		}
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   350
	
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	test.Start(_L("Test the system can always acquire a paged page table"));
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	TestMaxPt();
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   353
	
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	test.End();
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	return KErrNone;
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	}