author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:24:54 +0200 | |
changeset 43 | 96e5fb8b040d |
child 90 | 947f0dc9f7a8 |
child 256 | c1f20ce4abcf |
permissions | -rw-r--r-- |
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// Copyright (c) 2005-2009 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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// e32\nkernsmp\sched.cpp |
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// |
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// |
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// NThreadBase member data |
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#define __INCLUDE_NTHREADBASE_DEFINES__ |
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// TDfc member data |
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#define __INCLUDE_TDFC_DEFINES__ |
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#include "nk_priv.h" |
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#include <nk_irq.h> |
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TSpinLock NEventHandler::TiedLock(TSpinLock::EOrderEventHandlerTied); |
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/****************************************************************************** |
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* TScheduler |
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******************************************************************************/ |
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// TScheduler resides in .bss so other fields are zero-initialised |
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TScheduler::TScheduler() |
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: iActiveCpus1(1), // only boot CPU for now |
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iActiveCpus2(1), // only boot CPU for now |
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iIdleSpinLock(TSpinLock::EOrderIdleDFCList), |
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iCpusNotIdle(1) // only boot CPU for now |
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{ |
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TInt i; |
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for (i=0; i<KMaxCpus; ++i) |
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{ |
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TSubScheduler* s = TheSubSchedulers + i; |
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iSub[i] = s; |
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s->iScheduler = this; |
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s->iCpuNum = TUint32(i); |
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s->iCpuMask = 1u<<i; |
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} |
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} |
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/** Return a pointer to the scheduler |
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Intended for use by the crash debugger, not for general device driver use. |
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@return Pointer to the scheduler object |
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@internalTechnology |
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*/ |
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EXPORT_C TScheduler* TScheduler::Ptr() |
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{ |
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return &TheScheduler; |
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} |
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/****************************************************************************** |
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* TSubScheduler |
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******************************************************************************/ |
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// TSubScheduler resides in .bss so other fields are zero-initialised |
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TSubScheduler::TSubScheduler() |
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: TPriListBase(KNumPriorities), |
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iExIDfcLock(TSpinLock::EOrderExIDfcQ), |
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iReadyListLock(TSpinLock::EOrderReadyList), |
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iKernLockCount(1), |
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iEventHandlerLock(TSpinLock::EOrderEventHandlerList) |
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{ |
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} |
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/****************************************************************************** |
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* NSchedulable |
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******************************************************************************/ |
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void NSchedulable::AcqSLock() |
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{ |
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iSSpinLock.LockOnly(); |
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if (iParent!=this && iParent) |
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iParent->AcqSLock(); |
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} |
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void NSchedulable::RelSLock() |
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{ |
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if (iParent!=this && iParent) |
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iParent->RelSLock(); |
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iSSpinLock.UnlockOnly(); |
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} |
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void NSchedulable::LAcqSLock() |
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{ |
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NKern::Lock(); |
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AcqSLock(); |
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} |
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void NSchedulable::RelSLockU() |
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{ |
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RelSLock(); |
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105 |
NKern::Unlock(); |
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106 |
} |
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107 |
|
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108 |
void NSchedulable::UnPauseT() |
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109 |
{ |
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CHECK_PRECONDITIONS(MASK_KERNEL_LOCKED|MASK_NOT_ISR,"NSchedulable::UnPauseT"); |
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__KTRACE_OPT(KNKERN,DEBUGPRINT("%T nUnPauseT",this)); |
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__NK_ASSERT_DEBUG(iPauseCount); |
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if (--iPauseCount || iReady || iSuspended || (iParent && ((NThread*)this)->iWaitState.ThreadIsBlocked())) |
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return; |
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ReadyT(EUnPause); |
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} |
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117 |
|
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void NSchedulable::DeferredReadyIDfcFn(TAny* aPtr) |
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119 |
{ |
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NSchedulable* a = (NSchedulable*)aPtr; |
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a->AcqSLock(); |
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TUint32 evs = __e32_atomic_and_acq32(&a->iEventState, ~EDeferredReady); |
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if (evs & EDeferredReady) |
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124 |
{ |
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if (a->iParent) |
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126 |
{ |
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// thread |
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a->UnPauseT(); |
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129 |
} |
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130 |
else |
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131 |
{ |
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// thread group |
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NThreadGroup* g = (NThreadGroup*)a; |
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__KTRACE_OPT(KNKERN,DEBUGPRINT("%G nDeferredReady",g)); |
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__NK_ASSERT_DEBUG(g->iPauseCount); |
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if (--g->iPauseCount && g->iNThreadList.NonEmpty()) |
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g->ReadyT(EUnPause); |
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138 |
} |
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139 |
} |
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a->RelSLock(); |
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141 |
} |
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142 |
|
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143 |
TInt NSchedulable::AddTiedEvent(NEventHandler* aEvent) |
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144 |
{ |
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__KTRACE_OPT(KNKERN,DEBUGPRINT("%T AddEv %08x",this,aEvent)); |
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146 |
TInt r = KErrGeneral; |
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NEventHandler::TiedLock.LockOnly(); |
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AcqSLock(); |
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149 |
if (iStopping) |
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r = KErrDied; |
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else if (!aEvent->iTied) |
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152 |
{ |
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aEvent->iTied = this; |
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iEvents.Add(&aEvent->iTiedLink); |
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r = KErrNone; |
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156 |
} |
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RelSLock(); |
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NEventHandler::TiedLock.UnlockOnly(); |
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return r; |
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160 |
} |
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161 |
|
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162 |
void ipi_dummy(TGenericIPI*) |
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163 |
{ |
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164 |
} |
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165 |
|
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166 |
/** Detach and cancel any tied events attached to this thread/group |
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167 |
|
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168 |
Call in a thread context with interrupts and preemption enabled. |
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169 |
Calling thread in critical section. |
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170 |
|
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171 |
@internalComponent |
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172 |
*/ |
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173 |
void NSchedulable::DetachTiedEvents() |
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174 |
{ |
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__KTRACE_OPT(KNKERN,DEBUGPRINT("%T DetTiedEv",this)); |
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176 |
NKern::Lock(); |
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NEventHandler::TiedLock.LockOnly(); |
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178 |
AcqSLock(); |
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179 |
iStopping = TRUE; |
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180 |
if (!iParent) |
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181 |
{ |
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182 |
// can't destroy a group until all threads have detached from it |
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NThreadGroup* g = (NThreadGroup*)this; |
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184 |
__NK_ASSERT_ALWAYS(g->iThreadCount==0 && g->iNThreadList.IsEmpty()); |
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185 |
} |
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186 |
RelSLock(); |
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NEventHandler::TiedLock.UnlockOnly(); |
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188 |
|
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189 |
// send IPI to all processors to synchronise |
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190 |
// after this, any tied IDFCs can only proceed to completion |
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191 |
// they can't be queued again |
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192 |
TGenericIPI ipi; |
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193 |
ipi.QueueAllOther(&ipi_dummy); |
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194 |
NKern::Unlock(); |
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195 |
ipi.WaitCompletion(); |
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196 |
|
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197 |
FOREVER |
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198 |
{ |
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199 |
NKern::Lock(); |
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200 |
NEventHandler::TiedLock.LockOnly(); |
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201 |
AcqSLock(); |
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202 |
NEventHandler* h = 0; |
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203 |
TInt type = -1; |
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204 |
if (!iEvents.IsEmpty()) |
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205 |
{ |
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206 |
h = _LOFF(iEvents.First()->Deque(), NEventHandler, iTiedLink); |
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|
207 |
h->iTiedLink.iNext = 0; |
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208 |
type = h->iHType; |
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209 |
} |
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|
210 |
RelSLock(); |
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diff
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|
211 |
if (type == NEventHandler::EEventHandlerNTimer) |
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|
212 |
{ |
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diff
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|
213 |
// everything's easy for a timer since we can just cancel it here |
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|
214 |
NTimer* tmr = (NTimer*)h; |
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|
215 |
tmr->DoCancel(NTimer::ECancelDestroy); |
96e5fb8b040d
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diff
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|
216 |
tmr->iTied = 0; |
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|
217 |
} |
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|
218 |
else if (type == NEventHandler::EEventHandlerIDFC) |
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|
219 |
{ |
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Revision: 200951
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|
220 |
// can just cancel the IDFC with TiedLock held |
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|
221 |
// EndTiedEvent() may be delayed, but we wait for that further down |
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Revision: 200951
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diff
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|
222 |
// iTied will have been captured before the IDFC state is reset |
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|
223 |
// Cancel() waits for the state to be reset |
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|
224 |
TDfc* d = (TDfc*)h; |
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|
225 |
d->Cancel(); |
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|
226 |
d->iHType = (TUint8)NEventHandler::EEventHandlerDummy; |
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|
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d->iTied = 0; |
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|
228 |
} |
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|
229 |
NEventHandler::TiedLock.UnlockOnly(); |
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|
230 |
NKern::Unlock(); |
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|
231 |
if (!h) |
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|
232 |
break; |
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|
233 |
switch (type) |
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|
234 |
{ |
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|
235 |
case NEventHandler::EEventHandlerIrq: |
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|
236 |
{ |
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|
237 |
NIrqHandler* pH = (NIrqHandler*)h; |
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|
238 |
// pH can't have been freed since we dequeued it but left iTied set |
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|
239 |
pH->Unbind(pH->iHandle, this); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
240 |
break; |
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parents:
diff
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|
241 |
} |
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|
242 |
case NEventHandler::EEventHandlerNTimer: |
96e5fb8b040d
Revision: 200951
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parents:
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|
243 |
case NEventHandler::EEventHandlerIDFC: |
96e5fb8b040d
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
244 |
case NEventHandler::EEventHandlerDummy: |
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|
245 |
// nothing left to do |
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Revision: 200951
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|
246 |
break; |
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Revision: 200951
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parents:
diff
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|
247 |
default: |
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Revision: 200951
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parents:
diff
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|
248 |
__NK_ASSERT_ALWAYS(0); |
96e5fb8b040d
Revision: 200951
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parents:
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|
249 |
break; |
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Revision: 200951
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parents:
diff
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|
250 |
} |
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Revision: 200951
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parents:
diff
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|
251 |
} |
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parents:
diff
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|
252 |
|
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Revision: 200951
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parents:
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|
253 |
// Wait for any remaining tied event handlers to complete |
96e5fb8b040d
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parents:
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|
254 |
while (iEventState & EEventCountMask) |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
255 |
{ |
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Revision: 200951
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parents:
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|
256 |
__chill(); |
96e5fb8b040d
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|
257 |
} |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
258 |
} |
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Revision: 200951
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parents:
diff
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|
259 |
|
96e5fb8b040d
Revision: 200951
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|
260 |
/****************************************************************************** |
96e5fb8b040d
Revision: 200951
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diff
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|
261 |
* NThreadGroup |
96e5fb8b040d
Revision: 200951
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parents:
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|
262 |
******************************************************************************/ |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
263 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
264 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
265 |
/****************************************************************************** |
96e5fb8b040d
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|
266 |
* NThreadBase |
96e5fb8b040d
Revision: 200951
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|
267 |
******************************************************************************/ |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
268 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
269 |
/** Makes a nanothread ready. |
96e5fb8b040d
Revision: 200951
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diff
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|
270 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
271 |
For use by RTOS personality layers. |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
272 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
273 |
@pre Kernel must be locked. |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
274 |
@pre Call either in a thread or an IDFC context. |
96e5fb8b040d
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parents:
diff
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|
275 |
@pre The thread being made ready must not be explicitly suspended |
96e5fb8b040d
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parents:
diff
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|
276 |
|
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
277 |
@post Kernel is locked. |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
278 |
*/ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
279 |
void NSchedulable::ReadyT(TUint aMode) |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
280 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
281 |
CHECK_PRECONDITIONS(MASK_KERNEL_LOCKED|MASK_NOT_ISR,"NSchedulable::ReadyT"); |
96e5fb8b040d
Revision: 200951
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parents:
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|
282 |
__KTRACE_OPT(KNKERN,DEBUGPRINT("%T nReadyT(%x)",this,aMode)); |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
283 |
NThreadBase* t = (NThreadBase*)this; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
284 |
#ifdef _DEBUG |
96e5fb8b040d
Revision: 200951
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parents:
diff
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|
285 |
if (!iParent) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
286 |
t = (NThreadBase*)0xface0fff; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
287 |
#endif |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
288 |
__NK_ASSERT_DEBUG(!iReady && (!iParent || (!t->iWaitState.iWtC.iWtStFlags && !t->iPauseCount && !t->iSuspended))); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
289 |
TSubScheduler& ss0 = SubScheduler(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
290 |
NSchedulable* g = this; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
291 |
if (iParent != this && iParent) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
292 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
293 |
NThreadGroup* tg = (NThreadGroup*)iParent; |
96e5fb8b040d
Revision: 200951
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parents:
diff
changeset
|
294 |
iReady = EReadyGroup; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
295 |
if (tg->iReady) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
296 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
297 |
// extra thread added to group - change priority if necessary |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
298 |
tg->iNThreadList.Add(this); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
299 |
TInt gp = tg->iPriority; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
300 |
TSubScheduler& ss = TheSubSchedulers[tg->iReady & EReadyCpuMask]; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
ss.iReadyListLock.LockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
302 |
TInt hp = ss.HighestPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
if (iPriority>gp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
304 |
ss.ChangePriority(tg, iPriority); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
if (iPriority>hp || (iPriority==hp && ss.iCurrentThread && ss.iCurrentThread->iTime==0)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
307 |
if (&ss == &ss0) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
308 |
RescheduleNeeded(); // reschedule on this processor |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
309 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
310 |
ss0.iReschedIPIs |= ss.iCpuMask; // will kick the other CPU when this CPU reenables preemption |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
311 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
312 |
if ((aMode & ENewTimeslice) && t->iTime==0 && (iNext!=this || ss.iQueue[iPriority])) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
313 |
t->iTime = t->iTimeslice; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
314 |
ss.iReadyListLock.UnlockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
315 |
return; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
316 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
317 |
tg->iNThreadList.Add(this); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
318 |
tg->iPriority = iPriority; // first in group |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
319 |
g = tg; // fall through to add group to subscheduler |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
320 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
321 |
TInt cpu = -1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
if (aMode & EUnPause) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
323 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
cpu = (g->iEventState & EThreadCpuMask)>>EThreadCpuShift; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
if (CheckCpuAgainstAffinity(cpu, g->iCpuAffinity)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
goto cpu_ok; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
else if (g->iFreezeCpu) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
330 |
cpu = g->iLastCpu; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
331 |
if (!CheckCpuAgainstAffinity(cpu, g->iCpuAffinity)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
332 |
g->iCpuChange = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
333 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
334 |
else if (!(g->iCpuAffinity & NTHREADBASE_CPU_AFFINITY_MASK)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
cpu = g->iCpuAffinity; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
336 |
else if ((aMode & EPreferSameCpu) && (g->iCpuAffinity & ss0.iCpuMask)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
337 |
cpu = ss0.iCpuNum; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
338 |
if (cpu < 0) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
// pick a cpu |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
341 |
TScheduler& s = TheScheduler; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
TUint32 m = g->iCpuAffinity & s.iActiveCpus1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
TInt i; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
TInt lowest_p = KMaxTInt; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
345 |
for (i=0; i<s.iNumCpus; ++i) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
TSubScheduler& ss = *s.iSub[i]; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
if (!(m & ss.iCpuMask)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
349 |
continue; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
TInt hp = ss.HighestPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
351 |
if (hp < lowest_p) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
lowest_p = hp; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
cpu = i; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
continue; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
356 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
357 |
if (hp > lowest_p) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
358 |
continue; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
if (cpu>=0 && g->iLastCpu!=i) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
continue; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
361 |
lowest_p = hp; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
cpu = i; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
cpu_ok: |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
__NK_ASSERT_ALWAYS(cpu>=0); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
if (g->TiedEventReadyInterlock(cpu)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
__KTRACE_OPT(KSCHED2,DEBUGPRINT("ReadyT->CPU %dD",cpu)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
++g->iPauseCount; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
// ((TDfc*)g->i_IDfcMem)->Add(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
return; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
__KTRACE_OPT(KSCHED2,DEBUGPRINT("ReadyT->CPU %d",cpu)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
TSubScheduler& ss = TheSubSchedulers[cpu]; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
ss.iReadyListLock.LockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
377 |
TInt hp = ss.HighestPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
378 |
if (g->iPriority>hp || (g->iPriority==hp && ss.iCurrentThread && ss.iCurrentThread->iTime==0)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
379 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
380 |
if (&ss == &ss0) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
381 |
RescheduleNeeded(); // reschedule on this processor |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
ss0.iReschedIPIs |= ss.iCpuMask; // will kick the other CPU when this CPU reenables preemption |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
ss.Add(g); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
g->iReady = TUint8(cpu | EReadyOffset); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
if ((aMode & ENewTimeslice) && iParent && t->iTime==0 && g->iNext!=g) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
t->iTime = t->iTimeslice; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
ss.iReadyListLock.UnlockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
NThread* TSubScheduler::SelectNextThread() |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
NThread* ot = iCurrentThread; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
NThread* t = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
TBool migrate = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
TBool gmigrate = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
TBool fmd_done = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
TBool fmd_res = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
if (!ot) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
iReadyListLock.LockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
iRescheduleNeededFlag = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
goto no_ot; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
ot->AcqSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
if (ot->iNewParent) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
ot->iNewParent->AcqSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
SaveTimesliceTimer(ot); // remember how much of current thread's timeslice remains |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
if (ot->iCsFunction==NThreadBase::ECSDivertPending && ot->iWaitState.iWtC.iWtStFlags) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
// thread about to exit so cancel outstanding wait |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
ot->DoReleaseT(KErrDied,0); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
if (ot->iWaitState.iWtC.iWtStFlags==0) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
// ASSUMPTION: If iNewParent set, ot can't hold a fast mutex (assertion in JoinGroup) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
TBool pfmd = (ot->iParent!=ot && !ot->iFastMutexDefer); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
if (ot->iTime==0 || pfmd) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
// ot's timeslice has expired |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
fmd_res = ot->CheckFastMutexDefer(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
fmd_done = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
if (fmd_res) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
if (ot->iTime == 0) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
ot->iTime = 0x80000000; // mark deferred timeslice expiry |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
if (pfmd) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
ot->iFastMutexDefer = 1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
++ot->iParent->iFreezeCpu; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
iReadyListLock.LockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
iRescheduleNeededFlag = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
// process outstanding suspend/kill/CPU change on ot |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
__NK_ASSERT_DEBUG(!(ot->iWaitState.iWtC.iWtStFlags & NThreadWaitState::EWtStWaitActive)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
if (ot->iWaitState.iWtC.iWtStFlags || ot->iPauseCount || ot->iSuspended) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
// ot is no longer ready to run |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
__KTRACE_OPT(KSCHED2,DEBUGPRINT("Rschd<-%T WS: %02x %02x (%08x) P:%02x S:%1x", ot, |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
ot->iWaitState.iWtC.iWtStFlags, ot->iWaitState.iWtC.iWtObjType, ot->iWaitState.iWtC.iWtObj, ot->iPauseCount, ot->iSuspended)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
TInt wtst = ot->iWaitState.DoWait(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
if (wtst>=0 && wtst!=NThread::EWaitFastMutex) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
ot->iTime = ot->iTimeslice; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
ot->UnReadyT(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
if (ot->iNewParent) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
ot->iParent = ot->iNewParent, ++((NThreadGroup*)ot->iParent)->iThreadCount; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
wmb(); // must make sure iParent is updated before iNewParent is cleared |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
ot->iNewParent = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
ot->iCpuChange = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
else if (ot->iNewParent) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
__NK_ASSERT_ALWAYS(ot->iParent==ot && !ot->iHeldFastMutex && !ot->iFreezeCpu); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
ot->UnReadyT(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
migrate = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
ot->iParent = ot->iNewParent; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
ot->iCpuChange = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
++((NThreadGroup*)ot->iParent)->iThreadCount; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
wmb(); // must make sure iParent is updated before iNewParent is cleared |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
ot->iNewParent = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
else if (ot->iParent->iCpuChange && !ot->iParent->iFreezeCpu) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
if (!CheckCpuAgainstAffinity(iCpuNum, ot->iParent->iCpuAffinity)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
if (ot->iParent==ot) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
if (!fmd_done) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
fmd_res = ot->CheckFastMutexDefer(), fmd_done = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
if (!fmd_res) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
__KTRACE_OPT(KSCHED2,DEBUGPRINT("Rschd<-%T A:%08x",ot,ot->iParent->iCpuAffinity)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
ot->UnReadyT(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
migrate = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
ot->iCpuChange = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
__KTRACE_OPT(KSCHED2,DEBUGPRINT("Rschd<-%T GA:%08x",ot,ot->iParent->iCpuAffinity)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
Remove(ot->iParent); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
ot->iParent->iReady = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
gmigrate = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
ot->iCpuChange = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
ot->iParent->iCpuChange = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
ot->iCpuChange = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
ot->iParent->iCpuChange = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
no_ot: |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
NSchedulable* g = (NSchedulable*)First(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
TBool rrcg = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
if (g && g->IsGroup()) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
t = (NThread*)((NThreadGroup*)g)->iNThreadList.First(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
if (g->iNext!=g) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
rrcg = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
t = (NThread*)g; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
TBool rrct = (t && t->iNext!=t); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
if (t && t->iTime==0 && (rrcg || rrct)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
// candidate thread's timeslice has expired and there is another at the same priority |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
if (t==ot) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
if (ot->iParent!=ot) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
((NThreadGroup*)ot->iParent)->iNThreadList.iQueue[ot->iPriority] = ot->iNext; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
iQueue[ot->iParent->iPriority] = ot->iParent->iNext; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
iQueue[ot->iPriority] = ot->iNext; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
ot->iTime = ot->iTimeslice; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
NSchedulable* g2 = (NSchedulable*)First(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
if (g2->IsGroup()) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
t = (NThread*)((NThreadGroup*)g2)->iNThreadList.First(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
t = (NThread*)g2; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
if (t->iTime==0) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
// loop again since we need to lock t before round robining it |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
__KTRACE_OPT(KSCHED2,DEBUGPRINT("Rschd<-%T RRL",ot)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
iRescheduleNeededFlag = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
__KTRACE_OPT(KSCHED2,DEBUGPRINT("Rschd<-%T RR",ot)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
/* if (ot->iCpuAffinity & NTHREADBASE_CPU_AFFINITY_MASK) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
ot->UnReadyT(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
migrate = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
ot->iTime = ot->iTimeslice; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
*/ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
else // loop again since we need to lock t before round robining it |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
__KTRACE_OPT(KSCHED2,DEBUGPRINT("Rschd<-%T LL",ot)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
iRescheduleNeededFlag = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
if (t != ot) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
if (ot) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
ot->iCurrent = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
ot->iParent->iCurrent = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
ot->CompleteContextSave(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
if (t) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
t->iLastCpu = iCpuNum; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
t->iParent->iLastCpu = iCpuNum; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
t->iCurrent = TUint8(iCpuNum | NSchedulable::EReadyOffset); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
t->iParent->iCurrent = t->iCurrent; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
iCurrentThread = t; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
UpdateThreadTimes(ot,t); // update ot's run time and set up the timeslice timer for t |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
iReadyListLock.UnlockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
if (migrate) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
ot->ReadyT(NThreadBase::ENewTimeslice); // new timeslice if it's queued behind another thread at same priority |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
if (gmigrate) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
ot->iParent->ReadyT(0); // new timeslice if it's queued behind another thread at same priority |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
if (ot) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
ot->RelSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
// DFC to signal thread is now dead |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
if (ot->iWaitState.ThreadIsDead() && ot->iWaitState.iWtC.iKillDfc) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
ot->iWaitState.iWtC.iKillDfc->DoEnque(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
__KTRACE_OPT(KSCHED,DEBUGPRINT("Rschd->%T",t)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
__NK_ASSERT_ALWAYS(!t || t->iParent); // must be a thread not a group |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
return t; // could return NULL |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
void NThreadBase::UnReadyT() |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
if (iParent!=this) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
NThreadGroup& g = *(NThreadGroup*)iParent; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
TPriListBase& l = g.iNThreadList; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
l.Remove(this); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
if (g.iReady) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
TSubScheduler& ss = TheSubSchedulers[g.iReady & EReadyCpuMask]; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
if (l.IsEmpty()) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
// __KTRACE_OPT(KNKERN,DEBUGPRINT("%T UnReadyT (G=%G-)",this,&g)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
ss.Remove(&g); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
g.iReady = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
g.iPriority = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
// __KTRACE_OPT(KNKERN,DEBUGPRINT("%T UnReadyT (G=%G)",this,&g)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
ss.ChangePriority(&g, l.HighestPriority()); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
// __KTRACE_OPT(KNKERN,DEBUGPRINT("%T UnReadyT",this)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
TheSubSchedulers[iReady & EReadyCpuMask].Remove(this); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
iReady = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
void NThreadBase::ChangeReadyThreadPriority() |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
TInt newp = iMutexPri>iBasePri ? iMutexPri : iBasePri; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
TInt oldp = iPriority; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
TSubScheduler* ss0 = &SubScheduler(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
TSubScheduler* ss = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
634 |
if (iParent->iReady) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
ss = TheSubSchedulers + (iParent->iReady & EReadyCpuMask); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |
ss->iReadyListLock.LockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
638 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
TBool resched = FALSE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
640 |
NSchedulable* g = iParent; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
641 |
if (g!=this) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
642 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
NThreadGroup* tg = (NThreadGroup*)g; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
tg->iNThreadList.ChangePriority(this, newp); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
645 |
if (ss) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
646 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
647 |
TInt ngp = tg->iNThreadList.HighestPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
648 |
if (ngp!=tg->iPriority) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
649 |
ss->ChangePriority(tg, ngp); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
650 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
651 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
652 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
ss->ChangePriority(this, newp); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
654 |
if (iCurrent) // can't be current if parent not ready |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
655 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
656 |
TInt nhp = ss->HighestPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
657 |
if (newp<oldp && (newp<nhp || (newp==nhp && iTime==0))) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
658 |
resched = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
659 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
660 |
else if (ss) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
661 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
662 |
NThreadBase* ct = ss->iCurrentThread; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
663 |
TInt cp = ct ? ct->iPriority : -1; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
664 |
if (newp>cp || (newp==cp && ct->iTime==0)) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
665 |
resched = TRUE; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
666 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
667 |
if (resched) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
668 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
669 |
if (ss == ss0) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
670 |
RescheduleNeeded(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
671 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
672 |
ss0->iReschedIPIs |= ss->iCpuMask; // will kick the other CPU when this CPU reenables preemption |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
673 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
674 |
if (ss) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
675 |
ss->iReadyListLock.UnlockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
676 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
677 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
678 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
679 |
/** Changes the priority of a nanokernel thread. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
680 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
681 |
For use by RTOS personality layers. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
682 |
Do not use this function directly on a Symbian OS thread. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
683 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
684 |
The thread's unknown state handler will be invoked with function EChangePriority |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
685 |
and parameter newp if the current NState is not recognised and the new priority |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
686 |
is not equal to the original priority. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
687 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
688 |
@param newp The new nanokernel priority (0 <= newp < KNumPriorities). |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
689 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
690 |
@pre Kernel must be locked. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
691 |
@pre Call in a thread context. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
692 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
693 |
@post Kernel is locked. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
694 |
*/ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
695 |
EXPORT_C void NThreadBase::SetPriority(TInt newp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
696 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
697 |
CHECK_PRECONDITIONS(MASK_KERNEL_LOCKED|MASK_NOT_IDFC|MASK_NOT_ISR,"NThreadBase::SetPriority"); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
698 |
AcqSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
699 |
__KTRACE_OPT(KNKERN,DEBUGPRINT("%T nSetPri %d(%d)->%d(%d)",this,iPriority,iBasePri,newp,iMutexPri)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
700 |
iBasePri = TUint8(newp); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
701 |
if (iMutexPri > iBasePri) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
702 |
newp = iMutexPri; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
703 |
TInt oldp = iPriority; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
704 |
if (newp == oldp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
705 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
706 |
RelSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
707 |
return; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
708 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
709 |
NFastMutex* wfm = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
710 |
if (iLinkedObj && iLinkedObjType==EWaitFastMutex) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
711 |
wfm = (NFastMutex*)iLinkedObj; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
712 |
if (wfm) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
713 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
714 |
// if thread is attached to/waiting on a fast mutex, need to acquire mutex lock |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
715 |
++iPauseCount; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
716 |
RelSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
717 |
wfm->iMutexLock.LockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
718 |
AcqSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
719 |
UnPauseT(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
720 |
wfm->iWaitQ.ChangePriority(&iWaitLink, newp); // change position of this thread on mutex wait queue |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
721 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
722 |
if (iReady) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
723 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
724 |
ChangeReadyThreadPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
725 |
RelSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
726 |
if (wfm && newp<=wfm->iWaitQ.HighestPriority()) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
727 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
728 |
// this thread was contending for the mutex but they may be other waiting threads |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
729 |
// with higher or equal priority, so wake up the first thread on the list. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
730 |
NThreadBase* pT = _LOFF(wfm->iWaitQ.First(), NThreadBase, iWaitLink); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
731 |
pT->AcqSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
732 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
733 |
// if thread is still blocked on this fast mutex, release it but leave it on the wait queue |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
734 |
// NOTE: it can't be suspended |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
735 |
pT->iWaitState.UnBlockT(NThreadBase::EWaitFastMutex, wfm, KErrNone); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
736 |
pT->RelSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
737 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
738 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
739 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
740 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
741 |
iPriority = (TUint8)newp; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
742 |
if (wfm && newp>oldp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
743 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
744 |
NThreadBase* pT = _LOFF(wfm->iWaitQ.First(), NThreadBase, iWaitLink); // highest priority waiting thread |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
745 |
if (pT==this) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
746 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
747 |
// this is now highest priority waiting thread so wake it up |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
748 |
iWaitState.UnBlockT(NThreadBase::EWaitFastMutex, wfm, KErrNone); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
749 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
750 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
751 |
RelSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
752 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
753 |
if (wfm) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
754 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
755 |
NThreadBase* t = (NThreadBase*)(TLinAddr(wfm->iHoldingThread)&~3); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
756 |
if (t) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
757 |
t->SetMutexPriority(wfm); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
758 |
wfm->iMutexLock.UnlockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
759 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
760 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
761 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
762 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
763 |
/** Set the inherited priority of a nanokernel thread. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
764 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
765 |
@pre Kernel must be locked. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
766 |
@pre Call in a thread context. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
767 |
@pre The thread holds a fast mutex |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
768 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
769 |
@post Kernel is locked. |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
770 |
*/ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
771 |
void NThreadBase::SetMutexPriority(NFastMutex* aM) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
772 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
773 |
TInt newp = aM->iWaitQ.HighestPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
774 |
if (newp<0) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
775 |
newp = 0; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
776 |
AcqSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
777 |
__KTRACE_OPT(KNKERN,DEBUGPRINT("%T nSetMPri %d->%d Base %d (mutex %08x)",this,iMutexPri,newp,iBasePri,aM)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
778 |
iMutexPri = TUint8(newp); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
779 |
if (iMutexPri < iBasePri) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
780 |
newp = iBasePri; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
781 |
TInt oldp = iPriority; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
782 |
if (newp == oldp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
783 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
784 |
RelSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
785 |
return; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
786 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
787 |
if (iReady) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
788 |
ChangeReadyThreadPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
789 |
else |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
790 |
iPriority = (TUint8)newp; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
791 |
RelSLock(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
792 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
793 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
794 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
795 |
void NThreadBase::LoseInheritedPriorityT() |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
796 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
797 |
__KTRACE_OPT(KNKERN,DEBUGPRINT("%T nLoseInhPri %d->%d",this,iPriority,iBasePri)); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
798 |
TSubScheduler* ss = &SubScheduler(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
799 |
TInt newp = iBasePri; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
800 |
NSchedulable* g = iParent; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
801 |
ss->iReadyListLock.LockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
802 |
if (g!=this) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
803 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
804 |
NThreadGroup* tg = (NThreadGroup*)g; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
805 |
tg->iNThreadList.ChangePriority(this, newp); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
806 |
TInt hp = tg->iNThreadList.HighestPriority(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
807 |
if (hp == tg->iPriority) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
808 |
{ |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
809 |
if (newp <= hp) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
810 |
RescheduleNeeded(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
811 |
goto out; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
812 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
813 |
newp = hp; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
814 |
g = tg; |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
815 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
816 |
if (newp <= ss->HighestPriority()) |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
817 |
RescheduleNeeded(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
818 |
ss->ChangePriority(g, newp); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
819 |
out: |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
820 |
ss->iReadyListLock.UnlockOnly(); |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
821 |
} |
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
822 |
|
96e5fb8b040d
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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