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// Copyright (c) 1995-2009 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\include\win32atx.h
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//
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//
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/**
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@file
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@internalComponent
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*/
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#ifndef __WIN32ATX_H__
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#define __WIN32ATX_H__
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#if defined(__VC32__)
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#define MAX_ATEXIT_HANDLERS 255
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#ifdef __KERNEL_MODE__
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#define PANIC() Kern::Fault("ATEXIT", __LINE__)
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#else
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_LIT(KLitAtExitPanic,"ATEXIT");
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#define PANIC() User::Panic(KLitAtExitPanic, __LINE__)
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#endif
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extern "C" {
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typedef void (__cdecl* TAtExit)(void);
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static TUint sp=0;
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static TAtExit handlers[MAX_ATEXIT_HANDLERS];
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int atexit(TAtExit aFunc)
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{
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if (sp>=MAX_ATEXIT_HANDLERS)
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PANIC();
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handlers[sp++]=aFunc;
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return 0;
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}
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void __call_atexit_handlers()
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{
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while(sp)
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(*handlers[--sp])();
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}
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#pragma data_seg(".CRT$XPU")
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TAtExit __xp_a[] = { __call_atexit_handlers };
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}
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#elif defined(__CW32__)
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struct SDestructorEntry
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{
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SDestructorEntry* iNext;
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TAny* iDstrFn;
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TAny* iObj;
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};
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SDestructorEntry* DEListHead;
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extern "C" {
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void* __register_global_object(void* obj, void* dfn, void* entry)
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{
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SDestructorEntry* e = (SDestructorEntry*)entry;
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e->iNext = DEListHead;
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e->iDstrFn = dfn;
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e->iObj = obj;
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DEListHead = e;
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return obj;
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}
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__declspec(naked) void __destroy_global_chain(void)
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{
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_asm push ebp
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_asm mov ebp, esp
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_asm push ebx
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_asm lea ebx, DEListHead
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dgc1:
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_asm mov ebx, [ebx]
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_asm test ebx, ebx
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_asm jz dgc0
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_asm mov ecx, [ebx+8]
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_asm call dword ptr [ebx+4]
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_asm jmp dgc1
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dgc0:
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_asm lea ebx, DEListHead
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_asm mov [ebx], 0
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_asm pop ebx
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_asm mov esp, ebp
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_asm pop ebp
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_asm ret
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}
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#pragma data_seg(".CRT$XPU")
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void (*__xp_a[])(void) = { &__destroy_global_chain };
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}
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#elif defined(__GCC32__)
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// todo: figure out what to do here
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#else
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#error Unknown X86 compiler
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#endif
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#endif
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