107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
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/*++
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Copyright (c) 1989-2001 Microsoft Corporation
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Module Name:
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ppmacros.h
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Abstract:
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This header defines various generic macros for use by user mode Plug and
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Play system components.
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Author:
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Jim Cavalaris (jamesca) 03/01/2001
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Environment:
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User-mode only.
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Revision History:
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01-March-2001 jamesca
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Creation and initial implementation.
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--*/
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#ifndef _PPMACROS_H_
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#define _PPMACROS_H_
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//
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// Debug output is filtered at two levels: A global level and a component
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// specific level.
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//
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// Each debug output request specifies a component id and a filter level
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// or mask. These variables are used to access the debug print filter
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// database maintained by the system. The component id selects a 32-bit
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// mask value and the level either specified a bit within that mask or is
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// the mask value itself.
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//
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// If any of the bits specified by the level or mask are set in either the
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// component mask or the global mask, then the debug output is permitted.
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// Otherwise, the debug output is filtered and not printed.
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//
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// The component mask for filtering the debug output of this component is
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// Kd_PNPMGR_Mask and may be set via the registry or the kernel debugger.
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//
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// The global mask for filtering the debug output of all components is
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// Kd_WIN2000_Mask and may be set via the registry or the kernel debugger.
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//
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// The registry key for setting the mask value for this component is:
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//
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// HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\
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// Session Manager\Debug Print Filter\PNPMGR
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//
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// The key "Debug Print Filter" may have to be created in order to create
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// the component key.
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//
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// The following levels are used to filter debug output.
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//
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#define DBGF_ERRORS (0x00000001 | DPFLTR_MASK)
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#define DBGF_WARNINGS (0x00000002 | DPFLTR_MASK)
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#define DBGF_EVENT (0x00000010 | DPFLTR_MASK)
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#define DBGF_REGISTRY (0x00000020 | DPFLTR_MASK)
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#define DBGF_INSTALL (0x00000040 | DPFLTR_MASK)
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//
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// ASSERT macros
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//
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#ifdef MYASSERT
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#undef MYASSERT
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#endif
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#if ASSERTS_ON
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#define MYASSERT(x) if(!(x)) { AssertFail(__FILE__,__LINE__,#x); }
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#else
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#define MYASSERT(x)
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#endif
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//
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// macros for setting and testing flags
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//
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#define SET_FLAG(Status, Flag) ((Status) |= (Flag))
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#define CLEAR_FLAG(Status, Flag) ((Status) &= ~(Flag))
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#define INVALID_FLAGS(ulFlags, ulAllowed) ((ulFlags) & ~(ulAllowed))
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#define TEST_FLAGS(t,ulMask, ulBit) (((t)&(ulMask)) == (ulBit))
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#define IS_FLAG_SET(t,ulMask) TEST_FLAGS(t,ulMask,ulMask)
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#define IS_FLAG_CLEAR(t,ulMask) TEST_FLAGS(t,ulMask,0)
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//
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// other useful macros
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//
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#define ARRAY_SIZE(array) (sizeof(array)/sizeof(array[0]))
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#define SIZECHARS(x) (sizeof((x))/sizeof(TCHAR))
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#endif // _PPMACROS_H_
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