// Copyright (c) 2007-2009 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\nkernsa\threadbasic.cpp

 // 

 //

 #include <nktest/nkutils.h>

 #define SLEEP_TIME 1

 #ifndef __SMP__

 #define iNThreadBaseSpare7 iSpare7

 #endif

 struct SThreadInfo1

 	{

 	volatile TInt iRunCount;

 	volatile TInt iBlockEvery;

 	volatile TBool iStop;

 	CircBuf* iBuf;

 	NThread* iThread;

 	};

 TInt WaitForRun(SThreadInfo1& aI, TInt aCount)

 	{

 	TUint32 initial = NKern::TickCount();

 	TUint32 final = initial + 2;

 	FOREVER

 		{

 		if (aI.iRunCount >= aCount)

 			return aI.iRunCount;

 		TUint32 x = NKern::TickCount();

 		if ((x - final) < 0x80000000u)

 			return KErrTimedOut;

 		}

 	}

 void BasicThread(TAny* a)

 	{

 	SThreadInfo1& info = *(SThreadInfo1*)a;

 	NThread* pC = NKern::CurrentThread();

 	while (!info.iStop)

 		{

 		TInt r = info.iBuf->TryPut((TUint32)pC);

 		TEST_RESULT(r==KErrNone, "Buffer full");

 		TInt c = (TInt)__e32_atomic_add_ord32(&info.iRunCount, 1);

 		TInt m = (c+1)%info.iBlockEvery;

 		if (!m)

 			NKern::WaitForAnyRequest();

 		}

 	}

 void BasicThread0(TAny*)

 	{

 	NThread* pC = NKern::CurrentThread();

 	TInt my_priority = pC->i_NThread_BasePri;

 	TInt this_cpu = NKern::CurrentCpu();

 	CircBuf* buf = CircBuf::New(KNumPriorities * KMaxCpus * 8);

 	TEST_OOM(buf);

 	SThreadInfo1* pI = (SThreadInfo1*)malloc(KNumPriorities * KMaxCpus * sizeof(SThreadInfo1));

 	TEST_OOM(pI);

 	memclr(pI, KNumPriorities * KMaxCpus * sizeof(SThreadInfo1));

 	NFastSemaphore exitSem(0);

 	TInt pri;

 	TInt cpu;

 	for_each_cpu(cpu)

 		{

 		for (pri = 1; pri < KNumPriorities; ++pri)

 			{

 			TInt ix = cpu * KNumPriorities + pri;

 			SThreadInfo1& info = pI[ix];

 			info.iBlockEvery = 1;

 			info.iBuf = buf;

 			info.iThread = CreateUnresumedThreadSignalOnExit("Basic", &BasicThread, pri, &info, 0, -1, &exitSem, cpu);

 			TEST_OOM(info.iThread);

 			}

 		}

 	TInt c = buf->Count();

 	TEST_RESULT1(c==0, "Unexpected count %d", c);	// nothing resumed yet

 	for_each_cpu(cpu)

 		{

 		for (pri = 1; pri < KNumPriorities; ++pri)

 			{

 			TInt ix = cpu * KNumPriorities + pri;

 			SThreadInfo1& info = pI[ix];

 			NKern::ThreadResume(info.iThread);

 			TInt r = WaitForRun(info, 1);

 			if (pri>my_priority || cpu!=this_cpu)

 				{

 				TEST_RESULT(r==1, "WaitForRun");

 				c = buf->Count();

 				TEST_RESULT1(c==1, "Unexpected count %d", c);	// thread should have run

 				TUint32 x = buf->Get();

 				c = buf->Count();

 				TEST_RESULT1(c==0, "Unexpected count %d", c);

 				TEST_RESULT(x==(TUint32)info.iThread, "Wrong thread");

 				}

 			else

 				{

 				TEST_RESULT(r==KErrTimedOut, "WaitForRun");

 				c = buf->Count();

 				TEST_RESULT1(c==0, "Unexpected count %d", c);	// thread won't have run since current has priority

 				}

 			}

 		}

 	NKern::Sleep(10);	// let lower priority threads run

 	c = buf->Count();

 	TEST_RESULT1(c==my_priority, "Unexpected count %d", c);

 	for (pri = my_priority; pri >= 1; --pri)

 		{

 		TInt ix = this_cpu * KNumPriorities + pri;

 		SThreadInfo1& info = pI[ix];

 		TEST_RESULT(info.iRunCount==1, "Bad run count");

 		TUint32 x = buf->Get();

 		TEST_RESULT(x==(TUint32)info.iThread, "Wrong thread");

 		}

 	for_each_cpu(cpu)

 		{

 		for (pri = 1; pri < KNumPriorities; ++pri)

 			{

 			TInt ix = cpu * KNumPriorities + pri;

 			SThreadInfo1& info = pI[ix];

 			info.iStop = TRUE;

 			NKern::ThreadRequestSignal(info.iThread);

 			NKern::FSWait(&exitSem);

 			}

 		}

 	free(pI);

 	delete buf;

 	}

 void BasicThreadTest1()

 	{

 	TEST_PRINT("Testing all thread priorities without timeslice");

 	TInt pri;

 	TInt cpu;

 	for_each_cpu(cpu)

 		{

 		for (pri = 1; pri < KNumPriorities; ++pri)

 			{

 			TEST_PRINT2("Basic0 pri %d cpu %d", pri, cpu);

 			CreateThreadAndWaitForExit("Basic0", &BasicThread0, pri, 0, 0, -1, cpu);

 			}

 		}

 	}

 void Spinner(TAny*)

 	{

 	FOREVER

 		{

 		}

 	}

 void BasicThreadTest2()

 	{

 	TEST_PRINT("Kill an unresumed thread");

 	NFastSemaphore exitSem(0);

 	TInt cpu;

 	for_each_cpu(cpu)

 		{

 		TEST_PRINT1("Thread on CPU %d", cpu);

 		NThread* t = CreateUnresumedThreadSignalOnExit("Spinner", &Spinner, 33, 0, 0, -1, &exitSem, cpu);

 		TEST_OOM(t);

 		NKern::ThreadKill(t);

 		NKern::FSWait(&exitSem);

 		TEST_PRINT("OK");

 		}

 	}

 void TimesliceTestThread(TAny* a)

 	{

 	NThread* pC = NKern::CurrentThread();

 	TUint id = pC->iNThreadBaseSpare7;

 	CircBuf* buf = (CircBuf*)a;

 	TUint32 thresh = norm_fast_counter_freq();

 	TUint32 thresh2 = thresh;

 	thresh /= 3000;

 	if (thresh < 10)

 		thresh = 10;

 	TUint32 last_interval_begin = norm_fast_counter();

 	TUint32 last_seen_time = norm_fast_counter();

 	FOREVER

 		{

 		TUint32 nfc = norm_fast_counter();

 		TUint32 delta = nfc - last_seen_time;

 		TUint32 interval_length = last_seen_time - last_interval_begin;

 		if (delta > thresh || interval_length > thresh2)

 			{

 			last_interval_begin = nfc;

 			TUint32 x = (id<<24) | interval_length;

 			TInt r = buf->TryPut(x);

 			if (r != KErrNone)

 				break;

 			}

 		last_seen_time = nfc;

 		}

 	}

 void TimesliceTest()

 	{

 //	NThread* pC = NKern::CurrentThread();

 //	TInt my_priority = pC->i_NThread_BasePri;

 //	TInt this_cpu = NKern::CurrentCpu();

 	CircBuf* buf = CircBuf::New(1024);

 	TEST_OOM(buf);

 	NFastSemaphore exitSem(0);

 	TInt cpu;

 	TInt i;

 	TInt id = 0;

 	NThread* t[KMaxCpus*3];

 	TInt timeslice[3] =

 		{

 		__microseconds_to_timeslice_ticks(20000),

 		__microseconds_to_timeslice_ticks(23000),

 		__microseconds_to_timeslice_ticks(19000)

 		};

 	TInt expected[3] =

 		{

 		__microseconds_to_norm_fast_counter(20000),

 		__microseconds_to_norm_fast_counter(23000),

 		__microseconds_to_norm_fast_counter(19000)

 		};

 	for_each_cpu(cpu)

 		{

 		for (i=0; i<3; ++i)

 			{

 			t[id] = CreateThreadSignalOnExit("Timeslice", &TimesliceTestThread, 10, buf, 0, timeslice[i], &exitSem, cpu);

 			TEST_OOM(t[id]);

 			t[id]->iNThreadBaseSpare7 = id;

 			++id;

 			}

 		nfcfspin(__microseconds_to_norm_fast_counter(1000));

 		}

 	for (i=0; i<id; ++i)

 		{

 		NKern::FSWait(&exitSem);

 		TEST_PRINT("Thread exited");

 		}

 	TUint32 x;

 	TUint32 xtype = 0;

 	TUint32 ncpus = NKern::NumberOfCpus();

 	TUint32 xcpu = (ncpus>1) ? 1 : 0;

 	while (buf->TryGet(x)==KErrNone)

 		{

 		TUint32 id = x>>24;

 		TUint32 time = x&0xffffff;

 		TEST_PRINT2("Id %d Time %d", id, time);

 		TUint32 xid = xcpu*3 + xtype;

 		if (xcpu==0 && ++xtype==3)

 			xtype=0;

 		if (++xcpu == ncpus)

 			xcpu=0;

 		TEST_RESULT2(id==xid, "Expected id %d got id %d", xid, id);

 		TUint32 exp = expected[id%3];

 		TUint32 tol = exp/100;

 		if (tol < 2)

 			tol = 2;

 		TUint32 diff = (time > exp) ? time - exp : exp - time;

 		TEST_RESULT2(diff < tol, "Out of Tolerance: exp %d got %d", exp, time);

 		}

 	delete buf;

 	}

 struct SThreadInfo2

 	{

 	enum {ENumTimes=8};

 	TInt Add(TUint32 aTime, TUint32 aId);

 	NFastMutex* iMutex;

 	TInt iSpin1;

 	TInt iSpin2;

 	TInt iSpin3;

 	NThread* iThread2;

 	volatile TInt iCount;

 	volatile TUint32 iId[ENumTimes];

 	volatile TUint32 iTime[ENumTimes];

 	};

 TInt SThreadInfo2::Add(TUint32 aTime, TUint32 aId)

 	{

 	TInt c = __e32_atomic_tas_ord32(&iCount, ENumTimes, 0, 1);

 	if (c>=ENumTimes)

 		return KErrOverflow;

 	iTime[c] = aTime;

 	iId[c] = aId;

 	return KErrNone;

 	}

 /*

 If Thread1 and Thread2 on different CPUs:

 	Point0

 	PointA	just after Point0

 	PointB	PointA + spin1

 	PointE	PointA + spin1

 	PointC	PointB + spin2

 	PointD	PointB + spin2

 	PointF	PointE + spin3

 If Thread1 and Thread2 on same CPU, no mutex:

 	Point0

 	PointA	just after Point0

 	PointB	PointA + spin1 or PointA + spin1 + timeslice if spin1>=timeslice

 	PointE	PointA + spin1 or PointA + timeslice whichever is later

 If Thread1 and Thread2 on same CPU, mutex:

 	Point0

 	PointA	just after Point0

 	PointB	PointA + spin1

 	PointC	PointB + spin2

 	PointE	PointA + spin1 +spin2 or PointA + timeslice whichever is later

 	PointD	PointA + spin1 + spin2 if (spin1+spin2)<timeslice, otherwise PointA + spin1 + spin2 + timeslice

 */

 void TimesliceTest2Thread1(TAny* a)

 	{

 	SThreadInfo2& info = *(SThreadInfo2*)a;

 	TEST_RESULT(info.Add(norm_fast_counter(),1)==KErrNone, "Add failed");		// Point A

 	if (info.iMutex)

 		NKern::FMWait(info.iMutex);

 	nfcfspin(info.iSpin1);

 	NKern::ThreadResume(info.iThread2);

 	TEST_RESULT(info.Add(norm_fast_counter(),1)==KErrNone, "Add failed");		// Point B

 	nfcfspin(info.iSpin2);

 	TEST_RESULT(info.Add(norm_fast_counter(),1)==KErrNone, "Add failed");		// Point C

 	if (info.iMutex)

 		NKern::FMSignal(info.iMutex);

 	TEST_RESULT(info.Add(norm_fast_counter(),1)==KErrNone, "Add failed");		// Point D

 	nfcfspin(__microseconds_to_norm_fast_counter(100000));

 	}

 void TimesliceTest2Thread2(TAny* a)

 	{

 	SThreadInfo2& info = *(SThreadInfo2*)a;

 	TEST_RESULT(info.Add(norm_fast_counter(),2)==KErrNone, "Add failed");		// Point E

 	nfcfspin(info.iSpin3);

 	TEST_RESULT(info.Add(norm_fast_counter(),2)==KErrNone, "Add failed");		// Point F

 	nfcfspin(__microseconds_to_norm_fast_counter(100000));

 	}

 void DoTimesliceTest2(TInt aCpu, TInt aSpin1, TInt aSpin2, TInt aSpin3, TBool aUseMutex)

 	{

 	TEST_PRINT5("TT2: C=%1d S1=%d S2=%d S3=%d M=%1d", aCpu, aSpin1, aSpin2, aSpin3, aUseMutex);

 	TInt this_cpu = NKern::CurrentCpu();

 	NFastSemaphore exitSem(0);

 	NFastMutex mutex;

 	SThreadInfo2 info;

 	info.iMutex = aUseMutex ? &mutex : 0;

 	info.iSpin1 = aSpin1;

 	info.iSpin2 = aSpin2;

 	info.iSpin3 = aSpin3;

 	info.iCount = 0;

 	TInt timeslice = __microseconds_to_timeslice_ticks(5000);

 	NThread* t1 = CreateUnresumedThreadSignalOnExit("Thread1", &TimesliceTest2Thread1, 10, &info, 0, timeslice, &exitSem, this_cpu);

 	TEST_OOM(t1);

 	info.iThread2 = CreateUnresumedThreadSignalOnExit("Thread2", &TimesliceTest2Thread2, 10, &info, 0, timeslice, &exitSem, aCpu);

 	TEST_OOM(info.iThread2);

 	NKern::ThreadResume(t1);

 	TEST_RESULT(info.Add(norm_fast_counter(),0)==KErrNone, "Add failed");	// Point 0

 	NKern::FSWait(&exitSem);

 	NKern::FSWait(&exitSem);

 	TEST_RESULT1(info.iCount==7, "Wrong count %d", info.iCount);

 	TInt i;

 	TUint32 pointA=0, pointB=0, pointC=0, pointD=0, pointE=0, pointF=0;

 	TInt n1=0, n2=0;

 	TUint32 delta = __microseconds_to_norm_fast_counter(100);

 	TUint32 ts = __microseconds_to_norm_fast_counter(5000);

 	for (i=0; i<info.iCount; ++i)

 		{

 		if (i>0)

 			{

 			TUint32 id = info.iId[i];

 			TUint32 x = info.iTime[i] - info.iTime[0];

 			TEST_PRINT2("%d: %d", id, x);

 			if (id==1)

 				{

 				switch(++n1)

 					{

 					case 1: pointA = x; break;

 					case 2: pointB = x; break;

 					case 3: pointC = x; break;

 					case 4: pointD = x; break;

 					}

 				}

 			else

 				{

 				switch(++n2)

 					{

 					case 1: pointE = x; break;

 					case 2: pointF = x; break;

 					}

 				}

 			}

 		}

 	TEST_RESULT(RANGE_CHECK(0, pointA, delta), "pointA");

 	if (aCpu != this_cpu)

 		{

 		TEST_RESULT(RANGE_CHECK(TUint32(aSpin1), pointB, TUint32(aSpin1)+delta), "pointB");

 		TEST_RESULT(RANGE_CHECK(TUint32(aSpin1), pointE, TUint32(aSpin1)+delta), "pointE");

 		TEST_RESULT(RANGE_CHECK(pointB+aSpin2, pointC, pointB+aSpin2+delta), "pointC");

 		TEST_RESULT(RANGE_CHECK(pointB+aSpin2, pointD, pointB+aSpin2+delta), "pointD");

 		TEST_RESULT(RANGE_CHECK(pointE+aSpin3, pointF, pointE+aSpin3+delta), "pointF");

 		}

 	else if (aUseMutex)

 		{

 		TEST_RESULT(RANGE_CHECK(TUint32(aSpin1), pointB, aSpin1+delta), "pointB");

 		TEST_RESULT(RANGE_CHECK(pointB+aSpin2, pointC, pointB+aSpin2+delta), "pointC");

 		TUint32 xpe = aSpin1 + aSpin2;

 		TUint32 xpd = xpe;

 		if (xpe < ts)

 			xpe = ts;

 		else

 			xpd += ts;

 		TEST_RESULT(RANGE_CHECK(xpe, pointE, xpe+delta), "pointE");

 		TEST_RESULT(RANGE_CHECK(xpd, pointD, xpd+delta), "pointD");

 		}

 	else

 		{

 		TUint32 xpb = aSpin1;

 		TUint32 xpe = aSpin1;

 		if (xpb >= ts)

 			xpb += ts;

 		else

 			xpe = ts;

 		TEST_RESULT(RANGE_CHECK(xpb, pointB, xpb+delta), "pointB");

 		TEST_RESULT(RANGE_CHECK(xpe, pointE, xpe+delta), "pointE");

 		}

 	}

 void TimesliceTest2()

 	{

 	TInt cpu;

 	TInt ms = __microseconds_to_norm_fast_counter(1000);

 	for_each_cpu(cpu)

 		{

 		DoTimesliceTest2(cpu, 1*ms, 10*ms, 10*ms, FALSE);

 		DoTimesliceTest2(cpu, 2*ms, 10*ms, 10*ms, FALSE);

 		DoTimesliceTest2(cpu, 7*ms, 20*ms, 20*ms, FALSE);

 		DoTimesliceTest2(cpu, 1*ms, 1*ms, 10*ms, TRUE);

 		DoTimesliceTest2(cpu, 1*ms, 2*ms, 10*ms, TRUE);

 		DoTimesliceTest2(cpu, 2*ms, 2*ms, 10*ms, TRUE);

 		DoTimesliceTest2(cpu, 7*ms, 7*ms, 10*ms, TRUE);

 		DoTimesliceTest2(cpu, 7*ms, 7*ms, 50*ms, TRUE);

 		}

 	}

 struct SThreadInfo3

 	{

 	enum TTestType

 		{

 		ESpin,

 		ECount,

 		EWaitFS,

 		EWaitFM,

 		EExit,

 		EHoldFM,

 		};

 	TTestType iType;

 	TAny* iObj;

 	TInt iPri;

 	TInt iCpu;

 	volatile TInt iCount;

 	volatile TInt iCurrCpu;

 	volatile TBool iStop;

 	NFastSemaphore* iExitSem;

 	TInt iExitCpu;

 	void Set(TTestType aType, TAny* aObj, TInt aPri, TInt aCpu)

 		{iType=aType; iObj=aObj; iPri=aPri; iCpu=aCpu; iCount=0; iCurrCpu=-1; iStop=FALSE; iExitSem=0; iExitCpu=-1;}

 	NThread* CreateThread(const char* aName, NFastSemaphore* aExitSem);

 	static void ExitHandler(TAny* aP, NThread* aT, TInt aC);

 	};

 void BasicThread3(TAny* a)

 	{

 	SThreadInfo3& info = *(SThreadInfo3*)a;

 	switch (info.iType)

 		{

 		case SThreadInfo3::ESpin:

 			FOREVER

 				{

 				info.iCurrCpu = NKern::CurrentCpu();

 				}

 		case SThreadInfo3::ECount:

 			FOREVER

 				{

 				info.iCurrCpu = NKern::CurrentCpu();

 				__e32_atomic_add_ord32(&info.iCount, 1);

 				}

 		case SThreadInfo3::EWaitFS:

 			NKern::FSSetOwner((NFastSemaphore*)info.iObj, 0);

 			NKern::FSWait((NFastSemaphore*)info.iObj);

 			break;

 		case SThreadInfo3::EWaitFM:

 			NKern::FMWait((NFastMutex*)info.iObj);

 			NKern::FMSignal((NFastMutex*)info.iObj);

 			break;

 		case SThreadInfo3::EExit:

 			break;

 		case SThreadInfo3::EHoldFM:

 			NKern::FMWait((NFastMutex*)info.iObj);

 			while (!info.iStop)

 				{

 				info.iCurrCpu = NKern::CurrentCpu();

 				__e32_atomic_add_ord32(&info.iCount, 1);

 				}

 			NKern::FMSignal((NFastMutex*)info.iObj);

 			break;

 		}

 	}

 void SThreadInfo3::ExitHandler(TAny* aP, NThread* aT, TInt aC)

 	{

 	SThreadInfo3& info = *(SThreadInfo3*)aP;

 	switch (aC)

 		{

 		case EInContext:

 			info.iExitCpu = NKern::CurrentCpu();

 			break;

 		case EBeforeFree:

 			{

 			NKern::ThreadSuspend(aT, 1);

 			NKern::ThreadResume(aT);

 			NKern::ThreadResume(aT);

 			NKern::ThreadSuspend(aT, 1);

 			NKern::ThreadSuspend(aT, 1);

 			NKern::ThreadSuspend(aT, 1);

 			NKern::ThreadResume(aT);

 			NKern::ThreadForceResume(aT);

 			NKern::ThreadKill(aT);

 			NKern::ThreadSetPriority(aT, 63);

 			TEST_RESULT(aT->iPriority == 63, "Priority change when dead");

 			TUint32 aff = NKern::ThreadSetCpuAffinity(aT, 0xffffffffu);

 			TEST_RESULT(aff==TUint32(info.iExitCpu), "CPU affinity when dead");

 			aff = NKern::ThreadSetCpuAffinity(aT, info.iExitCpu);

 			TEST_RESULT(aff==0xffffffffu, "CPU affinity when dead");

 			break;

 			}

 		case EAfterFree:

 			NKern::FSSignal(info.iExitSem);

 			break;

 		}

 	}

 NThread* SThreadInfo3::CreateThread(const char* aName, NFastSemaphore* aExitSem)

 	{

 	iExitSem = aExitSem;

 	iExitCpu = -1;

 	NThread* t = ::CreateThread(aName, &BasicThread3, iPri, this, 0, FALSE, -1, &SThreadInfo3::ExitHandler, this, iCpu);

 	TEST_OOM(t);

 	return t;

 	}

 #define CHECK_RUNNING(info, cpu)	\

 	do {TInt c1 = (info).iCount; NKern::Sleep(SLEEP_TIME); TEST_RESULT((info).iCount!=c1, "Not running"); TEST_RESULT((info).iCurrCpu==(cpu), "Wrong CPU"); } while(0)

 #define CHECK_NOT_RUNNING(info, same_cpu)	\

 do {if (!same_cpu) NKern::Sleep(SLEEP_TIME); TInt c1 = (info).iCount; NKern::Sleep(SLEEP_TIME); TEST_RESULT((info).iCount==c1, "Running"); } while(0)

 void DoBasicThreadTest3SemMutex(TInt aCpu, TInt aCpu2, TBool aMutex)

 	{

 	SThreadInfo3 info;

 	NThread* t;

 	NFastSemaphore xs(0);

 	NFastSemaphore s;

 	NFastMutex m;

 	if (aMutex)

 		{

 		TEST_PRINT("Operations while blocked on mutex");

 		}

 	else

 		{

 		TEST_PRINT("Operations while blocked on semaphore");

 		}

 	SThreadInfo3::TTestType type = aMutex ? SThreadInfo3::EWaitFM : SThreadInfo3::EWaitFS;

 	TAny* obj = aMutex ? (TAny*)&m : (TAny*)&s;

 	info.Set(type, obj, 63, aCpu);

 	t = info.CreateThread("Single2", &xs);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	if (aMutex)

 		NKern::FMWait(&m);

 	NKern::ThreadResume(t);			// resume thread - should wait on semaphore/mutex

 	NKern::Sleep(SLEEP_TIME);

 	if (!aMutex)

 		TEST_RESULT(s.iCount<0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	aMutex ? NKern::FMSignal(&m) : NKern::FSSignal(&s);	// signal semaphore/mutex - thread should exit

 	NKern::FSWait(&xs);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	TEST_RESULT(info.iExitCpu==aCpu, "Exit CPU");

 	info.Set(type, obj, 63, aCpu);

 	t = info.CreateThread("Single3", &xs);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	if (aMutex)

 		NKern::FMWait(&m);

 	NKern::ThreadResume(t);			// resume thread - should wait on semaphore/mutex

 	NKern::Sleep(SLEEP_TIME);

 	if (!aMutex)

 		TEST_RESULT(s.iCount<0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	NKern::ThreadSuspend(t, 1);		// suspend thread while waiting on semaphore/mutex

 	NKern::Sleep(SLEEP_TIME);

 	if (!aMutex)

 		TEST_RESULT(s.iCount<0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	aMutex ? NKern::FMSignal(&m) : NKern::FSSignal(&s);	// signal semaphore/mutex - still suspended

 	NKern::Sleep(SLEEP_TIME);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	NKern::ThreadResume(t);			// resume - should now exit

 	NKern::FSWait(&xs);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	TEST_RESULT(info.iExitCpu==aCpu, "Exit CPU");

 	info.Set(type, obj, 63, aCpu);

 	t = info.CreateThread("Single4", &xs);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	if (aMutex)

 		NKern::FMWait(&m);

 	NKern::ThreadResume(t);			// resume thread - should wait on semaphore/mutex

 	NKern::Sleep(SLEEP_TIME);

 	if (!aMutex)

 		TEST_RESULT(s.iCount<0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	NKern::ThreadKill(t);			// kill thread while blocked on semaphore/mutex

 	NKern::FSWait(&xs);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	TEST_RESULT(info.iExitCpu==aCpu, "Exit CPU");

 	if (aMutex)

 		NKern::FMSignal(&m);

 	info.Set(type, obj, 63, aCpu);

 	t = info.CreateThread("Single5", &xs);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	if (aMutex)

 		NKern::FMWait(&m);

 	NKern::ThreadResume(t);			// resume thread - should wait on semaphore/mutex

 	NKern::Sleep(SLEEP_TIME);

 	if (!aMutex)

 		TEST_RESULT(s.iCount<0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	NKern::ThreadSuspend(t, 1);		// suspend thread while waiting on semaphore/mutex

 	NKern::Sleep(SLEEP_TIME);

 	if (!aMutex)

 		TEST_RESULT(s.iCount<0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	NKern::ThreadKill(t);			// kill thread while blocked on semaphore/mutex and suspended

 	NKern::FSWait(&xs);

 	if (!aMutex)

 		TEST_RESULT(s.iCount==0, "Sem count");

 	TEST_RESULT(info.iExitCpu==aCpu, "Exit CPU");

 	if (aMutex)

 		NKern::FMSignal(&m);

 	if (aCpu2>=0)

 		{

 		info.Set(type, obj, 63, aCpu);

 		t = info.CreateThread("Single6", &xs);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		if (aMutex)

 			NKern::FMWait(&m);

 		NKern::ThreadResume(t);			// resume thread - should wait on semaphore/mutex

 		NKern::Sleep(SLEEP_TIME);

 		if (!aMutex)

 			TEST_RESULT(s.iCount<0, "Sem count");

 		TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 		NKern::ThreadSetCpuAffinity(t, aCpu2);	// move blocked thread

 		aMutex ? NKern::FMSignal(&m) : NKern::FSSignal(&s);	// signal semaphore/mutex - thread should exit

 		NKern::FSWait(&xs);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		TEST_RESULT(info.iExitCpu==aCpu2, "Exit CPU");

 		info.Set(type, obj, 63, aCpu);

 		t = info.CreateThread("Single3", &xs);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		if (aMutex)

 			NKern::FMWait(&m);

 		NKern::ThreadResume(t);			// resume thread - should wait on semaphore/mutex

 		NKern::Sleep(SLEEP_TIME);

 		if (!aMutex)

 			TEST_RESULT(s.iCount<0, "Sem count");

 		TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 		NKern::ThreadSuspend(t, 1);		// suspend thread while waiting on semaphore/mutex

 		NKern::Sleep(SLEEP_TIME);

 		if (!aMutex)

 			TEST_RESULT(s.iCount<0, "Sem count");

 		TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 		NKern::ThreadSetCpuAffinity(t, aCpu2);	// move blocked and suspended thread

 		aMutex ? NKern::FMSignal(&m) : NKern::FSSignal(&s);	// signal semaphore/mutex - still suspended

 		NKern::Sleep(SLEEP_TIME);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 		NKern::ThreadResume(t);			// resume - should now exit

 		NKern::FSWait(&xs);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		TEST_RESULT(info.iExitCpu==aCpu2, "Exit CPU");

 		info.Set(type, obj, 63, aCpu);

 		t = info.CreateThread("Single4", &xs);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		if (aMutex)

 			NKern::FMWait(&m);

 		NKern::ThreadResume(t);			// resume thread - should wait on semaphore/mutex

 		NKern::Sleep(SLEEP_TIME);

 		if (!aMutex)

 			TEST_RESULT(s.iCount<0, "Sem count");

 		TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 		NKern::ThreadSetCpuAffinity(t, aCpu2);	// move blocked thread

 		NKern::ThreadKill(t);			// kill thread while blocked on semaphore/mutex

 		NKern::FSWait(&xs);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		TEST_RESULT(info.iExitCpu==aCpu2, "Exit CPU");

 		if (aMutex)

 			NKern::FMSignal(&m);

 		info.Set(type, obj, 63, aCpu);

 		t = info.CreateThread("Single5", &xs);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		if (aMutex)

 			NKern::FMWait(&m);

 		NKern::ThreadResume(t);			// resume thread - should wait on semaphore/mutex

 		NKern::Sleep(SLEEP_TIME);

 		if (!aMutex)

 			TEST_RESULT(s.iCount<0, "Sem count");

 		TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 		NKern::ThreadSuspend(t, 1);		// suspend thread while waiting on semaphore/mutex

 		NKern::Sleep(SLEEP_TIME);

 		if (!aMutex)

 			TEST_RESULT(s.iCount<0, "Sem count");

 		TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 		NKern::ThreadSetCpuAffinity(t, aCpu2);	// move blocked and suspended thread

 		NKern::ThreadKill(t);			// kill thread while blocked on semaphore/mutex and suspended

 		NKern::FSWait(&xs);

 		if (!aMutex)

 			TEST_RESULT(s.iCount==0, "Sem count");

 		TEST_RESULT(info.iExitCpu==aCpu2, "Exit CPU");

 		if (aMutex)

 			NKern::FMSignal(&m);

 		}

 	}

 void DoBasicThreadTest3SemPri(TInt aCpu, TInt aCpu2)

 	{

 	(void)aCpu2;

 	TEST_PRINT("Change priority + semaphore");

 	TInt this_cpu = NKern::CurrentCpu();

 	TBool same_cpu = (aCpu == this_cpu);

 	SThreadInfo3 info;

 	NThread* t;

 	SThreadInfo3 info2;

 	NThread* t2;

 	NFastSemaphore xs(0);

 	NFastSemaphore s;

 	info.Set(SThreadInfo3::EWaitFS, &s, 10, aCpu);

 	t = info.CreateThread("SemPri1A", &xs);

 	NKern::ThreadResume(t);			// resume thread - should wait on semaphore

 	NKern::Sleep(SLEEP_TIME);

 	TEST_RESULT(s.iCount<0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	info2.Set(SThreadInfo3::ECount, 0, 11, aCpu);

 	t2 = info2.CreateThread("SemPri1B", &xs);

 	NKern::ThreadResume(t2);		// resume thread - should run in preference to first thread

 	CHECK_RUNNING(info2, aCpu);

 	NKern::ThreadSetPriority(t, 63);	// change priority while blocked

 	NKern::FSSignal(&s);			// signal semaphore - should run and exit immediately

 	NKern::FSWait(&xs);

 	TEST_RESULT(s.iCount==0, "Sem count");

 	TEST_RESULT(info.iExitCpu==aCpu, "Exit CPU");

 	CHECK_RUNNING(info2, aCpu);

 	info.Set(SThreadInfo3::EWaitFS, &s, 63, aCpu);

 	t = info.CreateThread("SemPri1C", &xs);

 	NKern::ThreadResume(t);			// resume thread - should wait on semaphore

 	NKern::Sleep(SLEEP_TIME);

 	TEST_RESULT(s.iCount<0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	NKern::ThreadSetPriority(t, 1);	// change priority while blocked

 	NKern::FSSignal(&s);			// signal semaphore - shouldn't run because priority lower than 1B

 	NKern::Sleep(SLEEP_TIME);

 	TEST_RESULT(s.iCount==0, "Sem count");

 	TEST_RESULT(info.iExitCpu==-1, "Exit CPU");

 	CHECK_RUNNING(info2, aCpu);

 	NKern::ThreadKill(t2);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::FSWait(&xs);

 	NKern::FSWait(&xs);

 	TEST_RESULT(info2.iExitCpu==aCpu, "Exit CPU");

 	TEST_RESULT(info.iExitCpu==aCpu, "Exit CPU");

 	}

 void DoBasicThreadTest3MutexPri(TInt aCpu, TInt aCpu2, TBool aKill)

 	{

 	TEST_PRINT1("Change priority + mutex ... kill=%d", aKill);

 	TInt this_cpu = NKern::CurrentCpu();

 	TBool same_cpu = (aCpu == this_cpu);

 //	TBool same_cpu2 = (aCpu2 == this_cpu);

 	SThreadInfo3 info;

 	NThread* t;

 	SThreadInfo3 info2;

 	NThread* t2;

 	SThreadInfo3 info3;

 	NThread* t3;

 	NFastSemaphore xs(0);

 	NFastMutex m;

 	info.Set(SThreadInfo3::EHoldFM, &m, 10, aCpu);

 	t = info.CreateThread("MutexPri1A", &xs);

 	NKern::ThreadResume(t);		// start first thread - it should grab mutex then spin

 	CHECK_RUNNING(info, aCpu);

 	TEST_RESULT(t->iPriority==10, "Priority");

 	info2.Set(SThreadInfo3::EWaitFM, &m, 12, aCpu);

 	t2 = info2.CreateThread("MutexPri1B", &xs);

 	info3.Set(SThreadInfo3::ECount, 0, 11, aCpu);

 	t3 = info3.CreateThread("MutexPri1C", &xs);

 	NKern::ThreadResume(t3);	// start t3 - should preempt t1

 	CHECK_RUNNING(info3, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t2);	// start t2 - should wait on mutex, increasing t1's priority in the process

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info3, same_cpu);

 	TEST_RESULT(info2.iExitCpu==-1, "Exit CPU");

 	TEST_RESULT(t->iPriority==12, "Priority");

 	NKern::ThreadSetPriority(t2, 9);	// lower t2's priority - should lower t1's as well so t1 stops running

 	CHECK_RUNNING(info3, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	TEST_RESULT(t->iPriority==10, "Priority");

 	NKern::ThreadSetPriority(t2, 15);	// increase t2's priority - should increase t1's as well

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info3, same_cpu);

 	TEST_RESULT(t->iPriority==15, "Priority");

 	NKern::ThreadSuspend(t2, 1);		// suspend t2 - t1 should now lose inherited priority

 	CHECK_RUNNING(info3, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	TEST_RESULT(t->iPriority==10, "Priority");

 	NKern::ThreadResume(t2);			// resume t2 - t1 should now regain inherited priority

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info3, same_cpu);

 	TEST_RESULT(t->iPriority==15, "Priority");

 	TEST_RESULT(info2.iExitCpu==-1, "Exit CPU");

 	NKern::ThreadSuspend(t2, 1);		// suspend t2 - t1 should now lose inherited priority

 	CHECK_RUNNING(info3, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	TEST_RESULT(t->iPriority==10, "Priority");

 	NKern::ThreadSetPriority(t2, 9);	// lower t2's priority - should have no effect on t1

 	CHECK_RUNNING(info3, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	TEST_RESULT(t->iPriority==10, "Priority");

 	NKern::ThreadSetPriority(t2, 15);	// raise t2's priority - should have no effect on t1

 	CHECK_RUNNING(info3, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	TEST_RESULT(t->iPriority==10, "Priority");

 	NKern::ThreadSetPriority(t2, 9);	// lower t2's priority - should have no effect on t1

 	CHECK_RUNNING(info3, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	TEST_RESULT(t->iPriority==10, "Priority");

 	NKern::ThreadResume(t2);			// resume t2 - should have no effect on t1

 	CHECK_RUNNING(info3, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	TEST_RESULT(t->iPriority==10, "Priority");

 	NKern::ThreadSetPriority(t2, 15);	// increase t2's priority - should increase t1's as well

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info3, same_cpu);

 	TEST_RESULT(t->iPriority==15, "Priority");

 	TEST_RESULT(info2.iExitCpu==-1, "Exit CPU");

 	if (aCpu2>=0)

 		{

 		NKern::ThreadSetCpuAffinity(t2, aCpu2);	// move t2 - should have no effect on t1

 		CHECK_RUNNING(info, aCpu);

 		CHECK_NOT_RUNNING(info3, same_cpu);

 		TEST_RESULT(t->iPriority==15, "Priority");

 		NKern::ThreadSuspend(t2, 1);		// suspend t2 - t1 should now lose inherited priority

 		CHECK_RUNNING(info3, aCpu);

 		CHECK_NOT_RUNNING(info, same_cpu);

 		TEST_RESULT(t->iPriority==10, "Priority");

 		NKern::ThreadResume(t2);			// resume t2 - t1 should now regain inherited priority

 		CHECK_RUNNING(info, aCpu);

 		CHECK_NOT_RUNNING(info3, same_cpu);

 		TEST_RESULT(t->iPriority==15, "Priority");

 		NKern::ThreadSetPriority(t2, 9);	// lower t2's priority - should lower t1's as well so t1 stops running

 		CHECK_RUNNING(info3, aCpu);

 		CHECK_NOT_RUNNING(info, same_cpu);

 		TEST_RESULT(t->iPriority==10, "Priority");

 		NKern::ThreadSetPriority(t2, 15);	// increase t2's priority - should increase t1's as well

 		CHECK_RUNNING(info, aCpu);

 		CHECK_NOT_RUNNING(info3, same_cpu);

 		TEST_RESULT(t->iPriority==15, "Priority");

 		TEST_RESULT(info2.iExitCpu==-1, "Exit CPU");

 		}

 	TInt xcpu = (aCpu2>=0) ? aCpu2: aCpu;

 	if (aKill)

 		{

 		NKern::ThreadKill(t2);	// kill t2 - t1 should lose inherited priority

 		NKern::FSWait(&xs);

 		CHECK_RUNNING(info3, aCpu);

 		CHECK_NOT_RUNNING(info, same_cpu);

 		TEST_RESULT(t->iPriority==10, "Priority");

 		TEST_RESULT(info2.iExitCpu==xcpu, "Exit CPU");

 		info.iStop = TRUE;

 		NKern::ThreadKill(t3);

 		NKern::FSWait(&xs);

 		NKern::FSWait(&xs);

 		CHECK_NOT_RUNNING(info, same_cpu);

 		TEST_RESULT(info.iExitCpu==aCpu, "Exit CPU");

 		}

 	else

 		{

 		info.iStop = TRUE;	// tell t1 to release mutex and exit

 		NKern::FSWait(&xs);	// t2 should also exit

 		TEST_RESULT(info2.iExitCpu==xcpu, "Exit CPU");

 		TEST_RESULT(info.iExitCpu==-1, "Exit CPU");	// t1 won't exit until we kill t3

 		NKern::ThreadKill(t3);

 		NKern::FSWait(&xs);

 		NKern::FSWait(&xs);

 		CHECK_NOT_RUNNING(info, same_cpu);

 		TEST_RESULT(info.iExitCpu==aCpu, "Exit CPU");

 		}

 	CHECK_NOT_RUNNING(info3, same_cpu);

 	TEST_RESULT(info3.iExitCpu==aCpu, "Exit CPU");

 	}

 void DoBasicThreadTest3(TInt aCpu, TInt aCpu2)

 	{

 	TEST_PRINT2("aCpu=%d aCpu2=%d", aCpu, aCpu2);

 	TInt this_cpu = NKern::CurrentCpu();

 	TBool same_cpu = (aCpu == this_cpu);

 	TBool same_cpu2 = (aCpu2 == this_cpu);

 	TBool same_cpux = (aCpu2>=0) ? same_cpu2 : same_cpu;

 	SThreadInfo3 info;

 	NThread* t;

 	NFastSemaphore xs(0);

 	info.Set(SThreadInfo3::ECount, 0, 11, aCpu);

 	t = info.CreateThread("Single1", &xs);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSuspend(t, 1);	// suspend newly created thread before it has been resumed

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - should still be suspended

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - now running

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadResume(t);		// resume while running - should be no-op

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadSuspend(t, 1);	// suspend running thread

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadSuspend(t, 3);	// suspend running thread multiple times

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - still suspended twice

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - still suspended once

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - now running

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadSuspend(t, 3);	// suspend multiple times

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadForceResume(t);	// force resume - cancel all suspensions at once

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadSuspend(t, 1);	// suspend running thread

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSuspend(t, 3);	// suspend multiple times when already suspended

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - still suspended three times

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - still suspended twice

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - still suspended once

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);		// resume - now running

 	CHECK_RUNNING(info, aCpu);

 	if (aCpu2>=0)

 		{

 		NKern::ThreadSetCpuAffinity(t, aCpu2);	// move running thread to another CPU

 		CHECK_RUNNING(info, aCpu2);

 		NKern::ThreadSetCpuAffinity(t, aCpu);	// move it back

 		CHECK_RUNNING(info, aCpu);

 		NKern::ThreadSuspend(t, 2);				// suspend

 		CHECK_NOT_RUNNING(info, same_cpu);

 		NKern::ThreadSetCpuAffinity(t, aCpu2);	// move suspended thread to another CPU

 		CHECK_NOT_RUNNING(info, same_cpu2);

 		NKern::ThreadResume(t);					// resume - still suspended

 		CHECK_NOT_RUNNING(info, same_cpu2);

 		NKern::ThreadResume(t);					// resume - now running on other CPU

 		CHECK_RUNNING(info, aCpu2);

 		}

 	NKern::ThreadKill(t);

 	CHECK_NOT_RUNNING(info, same_cpux);

 	NKern::FSWait(&xs);

 	TEST_RESULT(info.iExitCpu == ((aCpu2>=0)?aCpu2:aCpu), "Exit CPU");

 	SThreadInfo3 info2;

 	NThread* t2;

 	info.Set(SThreadInfo3::ECount, 0, 10, aCpu);

 	t = info.CreateThread("Pair1A", &xs);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	info2.Set(SThreadInfo3::ECount, 0, 11, aCpu);

 	t2 = info2.CreateThread("Pair1B", &xs);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::ThreadResume(t);						// resume new thread

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::ThreadResume(t2);					// resume higher priority thread - should preempt

 	CHECK_RUNNING(info2, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSetPriority(t, 12);			// increase priority of ready but not running thread - should preempt

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadSetPriority(t, 10);			// lower priority of running thread - should yield

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSetPriority(t2, 9);			// lower priority of running thread - should yield

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadSetPriority(t2, 11);			// increase priority of ready but not running thread - should preempt

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSetPriority(t2, 14);			// increase priority of running thread - stays running

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSetPriority(t, 13);			// check priority increase has occurred

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSetPriority(t2, 11);			//

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadSetPriority(t, 10);			//

 	CHECK_NOT_RUNNING(info, same_cpu);

 	if (aCpu2>=0)

 		{

 		NKern::ThreadSetCpuAffinity(t, aCpu2);	// move ready but not running thread to other CPU

 		CHECK_RUNNING(info, aCpu2);

 		CHECK_RUNNING(info2, aCpu);

 		NKern::ThreadSetCpuAffinity(t, aCpu);	// move it back

 		CHECK_RUNNING(info2, aCpu);

 		CHECK_NOT_RUNNING(info, same_cpu);

 		NKern::ThreadSetCpuAffinity(t2, aCpu2);	// move running thread to other CPU - let other thread run on this one

 		CHECK_RUNNING(info, aCpu);

 		CHECK_RUNNING(info2, aCpu2);

 		NKern::ThreadSetCpuAffinity(t2, aCpu);	// move it back

 		CHECK_RUNNING(info2, aCpu);

 		CHECK_NOT_RUNNING(info, same_cpu);

 		}

 	NKern::ThreadSuspend(t2, 1);		// suspend running thread

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::ThreadSetPriority(t2, 9);	// lower priority while suspended

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::ThreadResume(t2);			// resume - can't now start running again

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::ThreadSuspend(t2, 1);		// suspend again

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::ThreadSetPriority(t2, 11);	// increase priority while suspended

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::ThreadResume(t2);			// resume - starts running again

 	CHECK_RUNNING(info2, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSuspend(t, 1);			// suspend ready but not running thread

 	CHECK_RUNNING(info2, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadSetPriority(t2, 1);	// lower running thread priority - stays running

 	CHECK_RUNNING(info2, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	NKern::ThreadResume(t);				// resume other thread - now preempts

 	CHECK_RUNNING(info, aCpu);

 	CHECK_NOT_RUNNING(info2, same_cpu);

 	NKern::ThreadSetPriority(t2, 11);	// increase other thread priority - should preempt

 	CHECK_RUNNING(info2, aCpu);

 	CHECK_NOT_RUNNING(info, same_cpu);

 	if (aCpu2>=0)

 		{

 		NKern::ThreadSuspend(t2, 1);		// suspend running thread

 		CHECK_RUNNING(info, aCpu);

 		CHECK_NOT_RUNNING(info2, same_cpu);

 		NKern::ThreadSetCpuAffinity(t2, aCpu2);	// move suspended thread to other CPU

 		CHECK_RUNNING(info, aCpu);

 		CHECK_NOT_RUNNING(info2, same_cpu2);

 		NKern::ThreadResume(t2);			// resume - should start running on other CPU

 		CHECK_RUNNING(info, aCpu);

 		CHECK_RUNNING(info2, aCpu2);

 		}

 	NKern::ThreadKill(t2);

 	CHECK_NOT_RUNNING(info2, same_cpux);

 	CHECK_RUNNING(info, aCpu);

 	NKern::ThreadKill(t);

 	NKern::FSWait(&xs);

 	NKern::FSWait(&xs);

 	TEST_RESULT(info2.iExitCpu == ((aCpu2>=0)?aCpu2:aCpu), "Exit CPU");

 	TEST_RESULT(info.iExitCpu == aCpu, "Exit CPU");

 	DoBasicThreadTest3SemMutex(aCpu, aCpu2, FALSE);

 	DoBasicThreadTest3SemMutex(aCpu, aCpu2, TRUE);

 	DoBasicThreadTest3SemPri(aCpu, aCpu2);

 	DoBasicThreadTest3MutexPri(aCpu, aCpu2, FALSE);

 	DoBasicThreadTest3MutexPri(aCpu, aCpu2, TRUE);

 	}

 void BasicThreadTest3()

 	{

 	TEST_PRINT("Testing miscellaneous thread operations");

 	DoBasicThreadTest3(0,1);

 	DoBasicThreadTest3(1,0);

 	}

 #ifdef __SMP__

 struct SThreadGroupTest1Info

 	{

 	volatile TUint32* iSharedCount;

 	volatile TUint32 iThreadCount;

 	volatile TBool iDone;

 	TUint32 iLimit;

 	};

 TUint32 Inc(TUint32 a)

 	{

 	return a+1;

 	}

 NThreadGroup TG1;

 //////////////////////////////////////////////////////////////////////////////

 // This thread function increments its iThreadCount until it reaches iLimit

 // Each time around the loop it increments iSharedCount with interrupts

 // disabled, but without otherwise taking any precautions to be atomic.

 //

 // If the thread is in the group, then this should behave the same as on a

 // uniprocessor system: the increment is atomic. Otherwise, some updates will

 // be lost.

 void ThreadGroupTest1Thread(TAny* aPtr)

 	{

 	SThreadGroupTest1Info& a = *(SThreadGroupTest1Info*)aPtr;

 	a.iThreadCount = 0;

 	NKern::ThreadSetPriority(NKern::CurrentThread(), 12);

 	FOREVER

 		{

 		TUint32 x = ++a.iThreadCount;

 		TInt irq = NKern::DisableAllInterrupts();

 		TUint32 y = *a.iSharedCount;

 		y = Inc(y);

 		*a.iSharedCount = y;

 		NKern::RestoreInterrupts(irq);

 		if (x>=a.iLimit)

 			break;

 		}

 	a.iDone = TRUE;

 	NKern::WaitForAnyRequest();

 	}

 //////////////////////////////////////////////////////////////////////////////

 // ThreadGroupTest1

 //

 // Attempt to prove various properties of thread group scheduling by creating

 // a number of copies of a thread that manipulate a shared counter.

 // 

 // 1) Priority scheduling is strictly observed within a group - lower priority

 // threads do not run if any higher priority threads are runnable, no matter

 // the number of available CPUs.

 // 2) Only one thread in a group is ever running at one time, regardless of

 // priorities or the number of available CPUs.

 //

 // Parameters:

 //  aCount: how many threads to create

 //  aJoin: whether to have threads join the group

 void ThreadGroupTest1(TInt aCount, TBool aJoin, TBool aMigrate, TBool aReJoin)

 	{

 	TEST_PRINT4("ThreadGroupTest1 aCount=%d aJoin=%d aMigrate=%d aReJoin=%d", aCount, aJoin, aMigrate, aReJoin);

 	NFastSemaphore exitSem(0);

 	NThread* t[16];

 	SThreadGroupTest1Info info[16];

 	volatile TUint32 shared=0;

 	memclr(t,sizeof(t));

 	memclr(&info,sizeof(info));

 	TInt i;

 	NThreadGroup* group = aJoin ? &TG1 : 0;

 	SNThreadGroupCreateInfo ginfo;

 	ginfo.iCpuAffinity = 0xffffffff;

 	TInt r = KErrNone;

 	if (group)

 		r = NKern::GroupCreate(group, ginfo);

 	TEST_RESULT(r==KErrNone, "");

 	NThreadGroup* g;

 	g = NKern::LeaveGroup();

 	TEST_RESULT(!g, "");

 	char name[8]={0x54, 0x47, 0x54, 0x31, 0, 0, 0, 0};

 	for (i=0; i<aCount; ++i)

 		{

 		info[i].iThreadCount = KMaxTUint32;

 		info[i].iSharedCount = &shared;

 		info[i].iLimit = 10000000;

 		name[4] = (char)('a'+i);

 		t[i] = CreateUnresumedThreadSignalOnExit(name, &ThreadGroupTest1Thread, 17, &info[i], 0, __microseconds_to_timeslice_ticks(2000), &exitSem, 0xffffffff, group);

 		TEST_OOM(t[i]);

 		}

 	if (group)

 		{

 		NKern::JoinGroup(group);

 		}

 	for (i=0; i<aCount; ++i)

 		{

 		// Each thread starts with count KMaxTUint32

 		TEST_RESULT(info[i].iThreadCount == KMaxTUint32, "");

 		NKern::ThreadResume(t[i]);

 		// Property 1:

 		// After resuming, the thread is higher priority than this one.

 		// It sets the count to 0 then lowers its priority to less than this.

 		// Thus, if we are in a group with it, then we should get preempted while

 		// it sets its count, then regain control after it does. If we were not in

 		// a group, we could observe other values of iThreadCount at this point as

 		// it may not have run at all (scheduled on another CPU which is busy with

 		// a higher priority thread) or may have run for longer (on another CPU)

 		if (group)

 			{

 			TEST_RESULT(info[i].iThreadCount == 0, "");

 			}

 		TEST_PRINT2("Thread %d Count=%d", i, info[i].iThreadCount);

 		}

 	if (group)

 		{

 		TEST_PRINT2("Group Count=%d, SharedCount=%d", group->iThreadCount, shared);

 		TEST_RESULT(group->iThreadCount == aCount+1, "");

 		g = NKern::LeaveGroup();

 		TEST_RESULT(g==group, "");

 		g = NKern::LeaveGroup();

 		TEST_RESULT(!g, "");

 		}

 	else

 		{

 		TEST_PRINT1("SharedCount=%d", shared);

 		}

 	if (aMigrate)

 		{

 		TInt cpu = 0;

 		TInt ncpus = NKern::NumberOfCpus();

 		TUint32 s0 = shared - 1;

 		FOREVER

 			{

 			TInt dead = 0;

 			for (i=0; i<aCount; ++i)

 				if (info[i].iDone)

 					++dead;

 			if (dead == aCount)

 				break;

 			if (shared != s0)

 				{

 				if (++cpu == ncpus)

 					cpu = 1;

 				NKern::ThreadSetCpuAffinity(t[aCount-1], cpu);

 				s0 = shared;

 				}

 			nfcfspin(__microseconds_to_norm_fast_counter(2797));

 			if (aReJoin)

 				{

 				NKern::JoinGroup(group);

 				TEST_RESULT(NKern::CurrentCpu()==cpu,"");

 				TUint32 s1 = shared;

 				nfcfspin(__microseconds_to_norm_fast_counter(2797));

 				TEST_RESULT(shared==s1,"");

 				NThreadGroup* gg = NKern::LeaveGroup();

 				TEST_RESULT(gg==group,"");

 				NKern::ThreadSetCpuAffinity(NKern::CurrentThread(), 0xffffffff);

 				}

 			}

 		}

 	for (i=0; i<aCount; ++i)

 		{

 		NKern::ThreadRequestSignal(t[i]);

 		}

 	for (i=0; i<aCount; ++i)

 		{

 		NKern::FSWait(&exitSem);

 		}

 	TUint32 total = 0;

 	for (i=0; i<aCount; ++i)

 		{

 		TEST_PRINT2("Thread %d Count=%d", i, info[i].iThreadCount);

 		TEST_RESULT(info[i].iThreadCount == info[i].iLimit, "");

 		total += info[i].iLimit;

 		}

 	TEST_PRINT1("SharedCount=%d", shared);

 	if (aJoin)

 		{

 		// Property 2:

 		// If the threads were all in a group, then disabling interrupts would

 		// suffice to make the increment atomic, and the total count should be

 		// the same as the sum of the per-thread counts

 		TEST_RESULT(shared == total, "");

 		}

 	else

 		{

 		// Property 2 continued:

 		// If the threads were not in a group, then disabling interrupts is not

 		// enough, and it's overwhelmingly likely that at least one increment

 		// will've been missed.

 		TEST_RESULT(shared < total, "");

 		}

 	if (group)

 		NKern::GroupDestroy(group);

 	}

 #endif

 void BasicThreadTests()

 	{

 	BasicThreadTest1();

 	BasicThreadTest2();

 	TimesliceTest();

 	TimesliceTest2();

 	BasicThreadTest3();

 #ifdef __SMP__

 	ThreadGroupTest1(2,0,FALSE,FALSE);

 	ThreadGroupTest1(2,1,FALSE,FALSE);

 	ThreadGroupTest1(3,0,FALSE,FALSE);

 	ThreadGroupTest1(3,1,FALSE,FALSE);

 	ThreadGroupTest1(3,1,TRUE,FALSE);

 	ThreadGroupTest1(3,1,TRUE,TRUE);

 #endif

 	}