commands/chkdeps/sf_decomp.cpp
author Tom Sutcliffe <thomas.sutcliffe@accenture.com>
Sun, 18 Jul 2010 18:57:41 +0100
changeset 36 99de8c43cede
parent 0 7f656887cf89
permissions -rw-r--r--
First cut of thread pools in fshell. Not fully working yet. Removed 4 overloads of CCommandBase::RunCommand[L] that are no longer used at all, and changed one more to not be exported as it's only used internally to iocli.dll. Added a thread pool (CThreadPool) to fshell so that thread commands no longer have to spawn a new thread every time they run. As part of this, CCommandWrapperBase now derives from CActive so that CThreadCommand can use its CActive-ness. CThreadCommand rejigged quite a bit to use CThreadPool (via MTaskRunner interface).

// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// f32\sfile\sf_decomp.cpp
// 
//

#include "sf_deflate.h"
#include <f32file.h>
#include <e32svr.h>

 
TFileInput::TFileInput(RFile& aFile)
	:iFile(aFile),iReadBuf(iBuf1),iPtr(iBuf1,KBufSize)
	{
	// issue first read
	aFile.Read(iPtr,iStat);
	}

void TFileInput::Cancel()
	{
	// absorb signal if outstanding request
	if (iReadBuf)
		User::WaitForRequest(iStat);
	}

void TFileInput::UnderflowL()
	{
	TUint8* b=iReadBuf;
	ASSERT(b!=NULL);
	User::WaitForRequest(iStat);
	iReadBuf=0;
	User::LeaveIfError(iStat.Int());
	if(iPtr.Length()==0)
		User::Leave(KErrCorrupt);
	Set(b,iPtr.Length()*8);
	// start reading to the next buffer
	b = b==iBuf1 ? iBuf2 : iBuf1;
	iPtr.Set(b,0,KBufSize);
	iFile.Read(iPtr,iStat);
	iReadBuf=b;
	}