96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
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* Process Hacker Extended Tools -
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* process icon duplication
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*
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* Copyright (C) 2011 wj32
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*
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* This file is part of Process Hacker.
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*
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* Process Hacker is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Process Hacker is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Process Hacker. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "exttools.h"
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PET_PROCESS_ICON EtProcIconCreateProcessIcon(
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_In_ HICON Icon
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)
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{
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PET_PROCESS_ICON processIcon;
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processIcon = PhAllocate(sizeof(ET_PROCESS_ICON));
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processIcon->RefCount = 1;
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processIcon->Icon = CopyIcon(Icon);
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return processIcon;
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}
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VOID EtProcIconReferenceProcessIcon(
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_Inout_ PET_PROCESS_ICON ProcessIcon
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)
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{
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_InterlockedIncrement(&ProcessIcon->RefCount);
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}
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VOID EtProcIconDereferenceProcessIcon(
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_Inout_ PET_PROCESS_ICON ProcessIcon
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)
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{
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if (_InterlockedDecrement(&ProcessIcon->RefCount) == 0)
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{
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DestroyIcon(ProcessIcon->Icon);
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PhFree(ProcessIcon);
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}
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}
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PET_PROCESS_ICON EtProcIconReferenceSmallProcessIcon(
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_Inout_ PET_PROCESS_BLOCK Block
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)
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{
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PET_PROCESS_ICON smallProcessIcon;
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smallProcessIcon = Block->SmallProcessIcon;
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if (!smallProcessIcon && PhTestEvent(&Block->ProcessItem->Stage1Event))
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{
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smallProcessIcon = EtProcIconCreateProcessIcon(Block->ProcessItem->SmallIcon);
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if (_InterlockedCompareExchangePointer(
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&Block->SmallProcessIcon,
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smallProcessIcon,
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NULL
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) != NULL)
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{
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EtProcIconDereferenceProcessIcon(smallProcessIcon);
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smallProcessIcon = Block->SmallProcessIcon;
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}
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}
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if (smallProcessIcon)
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{
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EtProcIconReferenceProcessIcon(smallProcessIcon);
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}
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return smallProcessIcon;
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}
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VOID EtProcIconNotifyProcessDelete(
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_Inout_ PET_PROCESS_BLOCK Block
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)
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{
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if (Block->SmallProcessIcon)
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{
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EtProcIconDereferenceProcessIcon(Block->SmallProcessIcon);
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}
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}
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