| 1 | /* $Id: vboxsharedrc.h 46521 2013-06-13 10:44:58Z vboxsync $ */
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| 2 | /** @file
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| 3 | *
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| 4 | * VBox extension to Wine D3D - shared resource
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| 5 | *
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| 6 | * Copyright (C) 2010 Oracle Corporation
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | */
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| 16 | #ifndef ___vboxsharedrc_h___
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| 17 | #define ___vboxsharedrc_h___
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| 18 |
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| 19 | #define VBOXSHRC_F_SHARED 0x00000001 /* shared rc */
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| 20 | #define VBOXSHRC_F_SHARED_OPENED 0x00000002 /* if set shared rc is opened, otherwise it is created */
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| 21 |
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| 22 | #define VBOXSHRC_GET_SHAREFLAFS(_o) ((_o)->resource.sharerc_flags)
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| 23 | #define VBOXSHRC_GET_SHAREHANDLE(_o) ((HANDLE)(_o)->resource.sharerc_handle)
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| 24 | #define VBOXSHRC_SET_SHAREHANDLE(_o, _h) ((_o)->resource.sharerc_handle = (DWORD)(_h))
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| 25 | #define VBOXSHRC_COPY_SHAREDATA(_oDst, _oSrc) do { \
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| 26 | VBOXSHRC_GET_SHAREFLAFS(_oDst) = VBOXSHRC_GET_SHAREFLAFS(_oSrc); \
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| 27 | VBOXSHRC_SET_SHAREHANDLE(_oDst, VBOXSHRC_GET_SHAREHANDLE(_oSrc)); \
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| 28 | } while (0)
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| 29 | #define VBOXSHRC_SET_SHARED(_o) (VBOXSHRC_GET_SHAREFLAFS(_o) |= VBOXSHRC_F_SHARED)
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| 30 | #define VBOXSHRC_SET_SHARED_OPENED(_o) (VBOXSHRC_GET_SHAREFLAFS(_o) |= VBOXSHRC_F_SHARED_OPENED)
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| 31 |
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| 32 | #define VBOXSHRC_IS_SHARED(_o) (!!(VBOXSHRC_GET_SHAREFLAFS(_o) & VBOXSHRC_F_SHARED))
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| 33 | #define VBOXSHRC_IS_SHARED_OPENED(_o) (!!(VBOXSHRC_GET_SHAREFLAFS(_o) & VBOXSHRC_F_SHARED_OPENED))
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| 34 | #define VBOXSHRC_IS_SHARED_UNLOCKED(_o) (VBOXSHRC_IS_SHARED(_o) && !VBOXSHRC_IS_LOCKED(_o))
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| 35 |
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| 36 | #define VBOXSHRC_LOCK(_o) do{ \
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| 37 | Assert(VBOXSHRC_IS_SHARED(_o)); \
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| 38 | ++(_o)->resource.sharerc_locks; \
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| 39 | } while (0)
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| 40 | #define VBOXSHRC_UNLOCK(_o) do{ \
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| 41 | Assert(VBOXSHRC_IS_SHARED(_o)); \
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| 42 | --(_o)->resource.sharerc_locks; \
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| 43 | Assert((_o)->resource.sharerc_locks < UINT32_MAX/2); \
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| 44 | } while (0)
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| 45 | #define VBOXSHRC_IS_LOCKED(_o) ( \
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| 46 | !!((_o)->resource.sharerc_locks) \
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| 47 | )
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| 48 |
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| 49 | #endif /* #ifndef ___vboxsharedrc_h___ */
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