Source code of Windows XP (NT5)
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176 lines
5.1 KiB

;************************************************************************
;* *
;* HANDLE.H -- Handle Table Declarations *
;* *
;************************************************************************
;* Author: Gene Apperson *
;* Copyright: 1991 Microsoft *
;************************************************************************
;* File Description: *
;* *
;* *
;************************************************************************
;* Revision History: *
;* *
;* *
;************************************************************************
;* ------------------------------------------------------------ *
;* rghte[x].flFlags bits *
;* ------------------------------------------------------------ *
fhteInherit EQU 80000000h ;* Is inheritable
fhteDevObj EQU 40000000h ;* Device (file or console)
mhteSpecific EQU 0000FFFFh ; SPECIFIC_RIGHTS_ALL
mhteStandard EQU 001F0000h ; STANDARD_RIGHTS_ALL
mhteSystem EQU 0FF000000h
fhteStdRequire EQU 00f0000h ; STANDARD_RIGHTS_REQUIRED
fhteSynch EQU 0100000h ; SYNCHRONIZE
fhteDevShrRead EQU 00000001h
fhteDevShrWrite EQU 00000002h
fhteDevAccRead EQU 00000020h
fhteDevAttrWrite EQU 00000100h
fhteDevAccWrite EQU 00000110h
fhteDevAccAll EQU 00000130h
fhteDevAccAny EQU 00000000h
fhteDevOverlapped EQU 00001000h
mhteDevAcc EQU 00000130h
mhteDevShr EQU 00000003h
flMaskAll EQU 0FFFFFFFFh
;*
;* MapHandle argument values.
;*
;* Object type values.
;*
typSemaphore EQU (1 SHL (typObjShiftAdjust + typObjSemaphore))
typEvent EQU (1 SHL (typObjShiftAdjust + typObjEvent))
typMutex EQU (1 SHL (typObjShiftAdjust + typObjMutex))
typCrst EQU (1 SHL (typObjShiftAdjust + typObjCrst))
typProcess EQU (1 SHL (typObjShiftAdjust + typObjProcess))
typThread EQU (1 SHL (typObjShiftAdjust + typObjThread))
typFile EQU (1 SHL (typObjShiftAdjust + typObjFile))
typIO EQU (1 SHL (typObjShiftAdjust + typObjIO))
typConsole EQU (1 SHL (typObjShiftAdjust + typObjConsole))
typConScreenbuf EQU (1 SHL (typObjShiftAdjust + typObjConScreenbuf))
typMapFile EQU (1 SHL (typObjShiftAdjust + typObjMapFile))
typSerial EQU (1 SHL (typObjShiftAdjust + typObjSerial))
typDevIOCtl EQU (1 SHL (typObjShiftAdjust + typObjDevIOCtl))
typPipe EQU (1 SHL (typObjShiftAdjust + typObjPipe))
typMailslot EQU (1 SHL (typObjShiftAdjust + typObjMailslot))
typToolhelp EQU (1 SHL (typObjShiftAdjust + typObjToolhelp))
typSocket EQU (1 SHL (typObjShiftAdjust + typObjSocket))
typTimer EQU (1 SHL (typObjShiftAdjust + typObjTimer))
typR0ObjExt EQU (1 SHL (typObjShiftAdjust + typObjR0ObjExt))
typAny EQU (NOT (0ffffffffh SHL (1 + typObjShiftAdjust + typObjMaxValid)))
typSTDIN EQU (typFile OR typPipe OR typSocket OR typConsole)
typSTDOUT EQU (typFile OR typPipe OR typSocket OR typConScreenbuf)
typNone EQU 0
typMask EQU typAny
;*
;* Boolean flag to MapHandle (snuck inside objType parameter) to prevent the
;* object from being freed until UnlockObject() is called.
;*
objLOCK EQU 080000000h
;* ------------------------------------------------------------ *
;* *
;* ------------------------------------------------------------ *
chteInit EQU 16
chteInc EQU 16
hprocCur EQU 07FFFFFFFh
hprocInvalid EQU 0FFFFFFFFh
;; Handles are derived by left-shifting ihte's by this many bits.
;; This corresponds to the number of low bits reserved by NT.
IHTETOHANDLESHIFT equ 2
;; Maximum value for a normal handle (handles above this value
;; are either global or special.)
;;
hMaxValid EQU 00FFFFFFh
ihteMaxValid EQU (hMaxValid SHR IHTETOHANDLESHIFT)
HTE STRUCT
flFlags DWORD 0
pobj LPOBJ 0
HTE ENDS
LPHTE TYPEDEF PTR HTE
HTB STRUCT
chteMax DWORD 0
rghte HTE 1 DUP (<>)
HTB ENDS
LPHTB TYPEDEF PTR HTB
;; Handles are considered global if the high byte is equal to the high byte
;; of GLOBALHANDLEMASK.
;;
;; When handles are converted to ihtes, they are just right-shifted like
;; any other. That is, if n == IHTETOHANDLESHIFT, global ihtes have 0's
;; in the top n bits, the high byte of GLOBALHANDLEMASK in the next 8 bits.
;;
;; The low n bits of the mask must be zero because those bits are lost
;; when handles are converted to ihtes.
GLOBALHANDLEMASK equ 0453a4d3ch
.errnz GLOBALHANDLEMASK AND ((1 SHL IHTETOHANDLESHIFT) - 1)
;* ------------------------------------------------------------ *
;* Function Prototypes *
;* ------------------------------------------------------------ *
; VOID *
MapHandle PROTO KERNENTRY,
:HANDLE,
:DWORD,
:DWORD
; VOID *
MapHandleWithContext PROTO KERNENTRY,
:LPPDB,
:HANDLE,
:DWORD,
:DWORD
; LPHTB
PhtbCreate PROTO KERNENTRY,
:LPPDB
; VOID
CloseProcessHandles PROTO KERNENTRY,
:LPPDB
; VOID
CloseDOSHandles PROTO KERNENTRY
; BOOL
FInheritHandles PROTO KERNENTRY,
:LPPDB,
:LPPDB
IFNDEF IS_VXD
; LONG
FlValidateSecurity PROTO KERNENTRY,
:LPSECURITY_ATTRIBUTES
ENDIF ;; IS_VXD
; HANDLE
ConvertToGlobalHandle PROTO KERNENTRY,
:HANDLE
;* ------------------------------------------------------------ *