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114 lines
4.4 KiB
114 lines
4.4 KiB
/*++ BUILD Version: 0001
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* TDB.H
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* 16-bit Kernel Task Data Block
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*
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* History:
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* Created 11-Feb-1992 by Matt Felton (mattfe) - from 16 bit tdb.inc
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* 7-apr-1992 mattfe updated to be win 3.1 compatible
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*
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--*/
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/*
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* NewExeHdr struct offsets. WOW32 uses these for getting expected winversion
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* directly from the exehdr.
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*
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*/
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#define NE_LOWINVER_OFFSET 0x3e
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#define NE_HIWINVER_OFFSET 0x0c
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#define FLAG_NE_PROPFONT 0x2000
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/*
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* Task Data Block - 16 Bit Kernel Data Structure
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*
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* Contains all 16 bit task specific data.
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*
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*/
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#define numTaskInts 7
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#define THUNKELEM 8 // (62*8) = 512-16 (low arena overhead)
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#define THUNKSIZE 8
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/* XLATOFF */
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#pragma pack(2)
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/* XLATON */
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typedef struct TDB { /* tdb16 */
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WORD TDB_next ; // next task in dispatch queue
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WORD TDB_taskSP ; // Saved SS:SP for this task
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WORD TDB_taskSS ; //
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WORD TDB_nEvents ; // Task event counter
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BYTE TDB_priority ; // Task priority (0 is highest)
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BYTE TDB_thread_ordinal ; // ordinal number of this thread
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WORD TDB_thread_next ; // next thread
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WORD TDB_thread_tdb ; // the real TDB for this task
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WORD TDB_thread_list ; // list of allocated thread structures
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WORD TDB_thread_free ; // free list of availble thread structures
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WORD TDB_thread_count ; // total count of tread structures
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WORD TDB_FCW ; // Floating point control word
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BYTE TDB_flags ; // Task flags
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BYTE TDB_filler ; // keep word aligned
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WORD TDB_ErrMode ; // Error mode for this task
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WORD TDB_ExpWinVer ; // Expected Windows version for this task
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WORD TDB_Module ; // Task module handle to free in killtask
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WORD TDB_pModule ; // Pointer to the module database.
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WORD TDB_Queue ; // Task Event Queue pointer
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WORD TDB_Parent ; // TDB of the task that started this up
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WORD TDB_SigAction ; // Action for app task signal
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DWORD TDB_ASignalProc ; // App's Task Signal procedure address
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DWORD TDB_USignalProc ; // User's Task Signal procedure address
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DWORD TDB_GNotifyProc ; // Task global discard notify proc.
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DWORD TDB_INTVECS[numTaskInts] ; // Task specfic harare interrupts
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WORD TDB_CompatFlags ; // Compatibility flags
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WORD TDB_CompatFlags2 ; // Upper 16 bits
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WORD TDB_CompatHandle ; // for dBase bug
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WORD TDB_WOWCompatFlagsEx ; // More WOW Compatibility flags
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WORD TDB_WOWCompatFlagsEx2 ; // Upper 16 bits
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BYTE TDB_Free[3] ; // Filler to keep TDB size unchanged
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BYTE TDB_cLibrary ; // tracks add/del of ALL libs in system EMS
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DWORD TDB_PHT ; // (HANDLE:OFFSET) to private handle table
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WORD TDB_PDB ; // MSDOS Process Data Block (PDB)
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DWORD TDB_DTA ; // MSDOS Disk Transfer Address
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BYTE TDB_Drive ; // MSDOS current drive
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BYTE TDB_Directory[65] ; // *** not used starting with win95
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WORD TDB_Validity ; // initial AX to be passed to a task
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WORD TDB_Yield_to ; // DirectedYield arg stored here
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WORD TDB_LibInitSeg ; // segment address of libraries to init
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WORD TDB_LibInitOff ; // MakeProcInstance thunks live here.
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WORD TDB_MPI_Sel ; // Code selector for thunks
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WORD TDB_MPI_Thunks[((THUNKELEM*THUNKSIZE)/2)]; //
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BYTE TDB_ModName[8] ; // Name of Module.
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WORD TDB_sig ; // Signature word to detect bogus code
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DWORD TDB_ThreadID ; // 32-Bit Thread ID for this Task (use TDB_Filler Above)
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DWORD TDB_hThread ; // 32-bit Thread Handle for this task
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WORD TDB_WOWCompatFlags; // WOW Compatibility flags
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WORD TDB_WOWCompatFlags2; // WOW Compatibility flags
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#ifdef FE_SB
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WORD TDB_WOWCompatFlagsJPN; // WOW Compatibility flags for JAPAN
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WORD TDB_WOWCompatFlagsJPN2; // WOW Compatibility flags for JAPAN
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#endif // FE_SB
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DWORD TDB_vpfnAbortProc; // printer AbortProc
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BYTE TDB_LFNDirectory[260]; // Long directory name
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} TDB;
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typedef TDB UNALIGNED *PTDB;
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// This bit is defined for the TDB_Drive field
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#define TDB_DIR_VALID 0x80
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#define TDB_SIGNATURE 0x4454
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#define TDBF_OS2APP 0x8
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#define TDBF_WINOLDAP 0x1
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// NOTE TDB_ThreadID MUST be DWORD aligned or else it will fail on MIPS
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/* XLATOFF */
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#pragma pack()
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/* XLATON */
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