author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 07 Jan 2010 13:38:45 +0200 | |
changeset 10 | 36bfc973b146 |
parent 9 | 96e5fb8b040d |
permissions | -rw-r--r-- |
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// Copyright (c) 2007-2009 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\euser\epoc\win32\uc_cwhelp.cpp |
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// This file contains the CodeWarrior specific helper code common to eexe and edll |
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// |
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// |
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#include <e32std.h> |
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#include <e32std_private.h> |
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// Define LAZY_INIT to allow the runtime to construct itself only when necessary. This uses less |
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// TLS indicies, but is a more fragile approach. |
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// |
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#define LAZY_INIT |
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extern "C" { |
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// |
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// Dummy versions of CodeWarrior runtime functions. |
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// |
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// These are only called when we are linked against the DLL version of the runtime, or if these |
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// functions aren't present in the static runtime. |
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// |
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// The original functions are defined in: |
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// c:/apps/Metrowerks/OEM3.1/Symbian_Support/MSL/MSL_C/MSL_Win32/Src/ThreadLocalData.c |
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// c:/apps/Metrowerks/OEM3.1/Symbian_Support/MSL/MSL_C/MSL_Win32/Src/startup.win32.c |
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// |
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#ifdef LAZY_INIT |
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extern int _InitializeThreadDataIndex(void); |
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extern int *__get_MSL_init_count(void); |
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__declspec(weak) int *__get_MSL_init_count(void) |
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{ |
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return NULL; |
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} |
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#else |
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extern int _CRTStartup(); |
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#endif |
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extern void _CleanUpMSL(void); |
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} |
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TBool InitCWRuntime() |
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{ |
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#ifdef LAZY_INIT |
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return ETrue; |
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#else |
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return _CRTStartup(); |
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#endif |
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} |
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TBool CleanupCWRuntime() |
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{ |
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#ifdef LAZY_INIT |
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int* init_count_ptr = __get_MSL_init_count(); |
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if (!init_count_ptr) // if we couldn't link this function, don't attempt cleanup |
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return ETrue; |
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if (!_InitializeThreadDataIndex()) // make sure runtime is initialised to known state |
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return EFalse; |
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if (++(*init_count_ptr) != 1) // make it look like _CRTStartup was called |
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return EFalse; |
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#else |
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if (*__get_MSL_init_count() < 1) // _CRTStartup should have been called at least once |
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return EFalse; |
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*__get_MSL_init_count() = 1; // reset to one so _CleanUpMSL runs |
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#endif |
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_CleanUpMSL(); // call into runtime to do cleanup |
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return ETrue; |
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} |