Leaked source code of windows server 2003
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/*++
Copyright (c) 1985 - 1999, Microsoft Corporation
Module Name:
w32p.h
Abstract:
private header file for Win32 kernel mode driver
Author:
Mark Lucovsky (markl) 31-Oct-1994
Revision History:
--*/
#ifndef _W32P_
#define _W32P_
#include "w32w64.h"
//
// Service Table description (from table.stb)
//
extern ULONG_PTR W32pServiceTable[];
extern ULONG W32pServiceLimit;
extern UCHAR W32pArgumentTable[];
//
// shared handle table
//
extern PVOID *gpHmgrSharedHandleTable;
extern PVOID gpHmgrSharedHandleSection;
#ifndef W32KAPI
#define W32KAPI DECLSPEC_ADDRSAFE
#endif
#define W32_SERVICE_NUMBER WIN32K_SERVICE_INDEX
W32KAPI
VOID NtGdiFlushUserBatch(void);
#if defined(_X86_)
//
// Keep our own copy of this to avoid double indirections on probing
//
extern ULONG Win32UserProbeAddress;
#undef MM_USER_PROBE_ADDRESS
#define MM_USER_PROBE_ADDRESS Win32UserProbeAddress
#endif
typedef struct _W32THREAD * KPTR_MODIFIER PW32THREAD;
//
// The following is a "thread lock structure". This structure lives on
// the stack and is linked into a LIFO list that is rooted in the thread
// information structure.
//
// In DBG, a shadow of it is copied in gThreadLocksArray where it will persist
// The stack TL will have the ptl point to the global element while the
// global will have ptl point to the stack TL.
// A freed global TL will have TL_FREED_PATTERN in the HIWORD of uTLCount
//
typedef struct _TL {
struct _TL *next;
PVOID pobj;
PFREE_FUNCTION pfnFree;
#if DBG
ULONG uTLCount;
PW32THREAD pW32Thread;
PVOID pfnCaller;
struct _TL *ptl;
#endif
} TL, * KPTR_MODIFIER PTL;
#define TL_FREED_PATTERN 0x4f000000
#if DBG
//
// global array of TL structures
//
extern PTL gFreeTLList;
extern void CreateShadowTL(PTL ptl);
#endif
/*
* This is the header shared info for W32 threads. It is followed by the
* NtUser per thread information.
*/
typedef struct _W32THREAD {
PETHREAD pEThread;
ULONG RefCount;
PTL ptlW32;
KERNEL_PVOID pgdiDcattr;
KERNEL_PVOID pgdiBrushAttr;
KERNEL_PVOID pUMPDObjs;
KERNEL_PVOID pUMPDHeap;
#ifdef CHECK_SEMAPHORE_USAGE
ULONG dwEngAcquireCount;
#endif
#ifdef VALIDATE_LOCKS
KERNEL_PVOID pSemTable;
#endif
KERNEL_PVOID pUMPDObj;
#if defined(_WIN64)
KERNEL_PVOID pProxyPort;
KERNEL_PVOID pClientID;
#endif
LIST_ENTRY GdiTmpAllocList;
} W32THREAD, * KPTR_MODIFIER PW32THREAD;
#define W32PF_CONSOLEAPPLICATION 0x00000001
#define W32PF_FORCEOFFFEEDBACK 0x00000002
#define W32PF_STARTGLASS 0x00000004
#define W32PF_WOW 0x00000008
#define W32PF_READSCREENACCESSGRANTED 0x00000010
#define W32PF_INITIALIZED 0x00000020
#define W32PF_APPSTARTING 0x00000040
#define W32PF_WOW64 0x00000080 /* Process emulated 32bit */
#define W32PF_ALLOWFOREGROUNDACTIVATE 0x00000100
#define W32PF_OWNDCCLEANUP 0x00000200
#define W32PF_SHOWSTARTGLASSCALLED 0x00000400
#define W32PF_FORCEBACKGROUNDPRIORITY 0x00000800
#define W32PF_TERMINATED 0x00001000
#define W32PF_CLASSESREGISTERED 0x00002000
#define W32PF_THREADCONNECTED 0x00004000
#define W32PF_PROCESSCONNECTED 0x00008000
#define W32PF_WAKEWOWEXEC 0x00010000
#define W32PF_WAITFORINPUTIDLE 0x00020000
#define W32PF_IOWINSTA 0x00040000
#define W32PF_ALLOWSETFOREGROUND 0x00080000
#define W32PF_OLELOADED 0x00100000
#define W32PF_SCREENSAVER 0x00200000
#define W32PF_IDLESCREENSAVER 0x00400000
#define W32PF_DISABLEIME 0x00800000
#define W32PF_SETUPAPP 0x01000000
#define W32PF_RESTRICTED 0x02000000
#define W32PF_CONSOLEHASFOCUS 0x04000000
#define W32PF_DISABLEWINDOWSGHOSTING 0x08000000
//
// Process must be first element of structure to correctly handle
// initialization. See PsConvertToGuiThread in ntos\ps\psquery.c.
//
typedef ULONG W32PID;
typedef struct _W32PROCESS * KPTR_MODIFIER PW32PROCESS;
typedef struct _W32PROCESS {
PEPROCESS Process;
ULONG RefCount;
ULONG W32PF_Flags; // must hold USER lock while changing this
PKEVENT InputIdleEvent;
ULONG StartCursorHideTime;
PW32PROCESS NextStart;
KERNEL_PVOID pDCAttrList;
KERNEL_PVOID pBrushAttrList;
W32PID W32Pid;
LONG GDIHandleCount;
LONG UserHandleCount;
LONG GDIEngUserMemAllocTableLock;
RTL_AVL_TABLE GDIEngUserMemAllocTable;
LIST_ENTRY GDIDcAttrFreeList;
LIST_ENTRY GDIBrushAttrFreeList;
} W32PROCESS;
#define W32GetCurrentProcess() ((PW32PROCESS)PsGetCurrentProcessWin32Process())
#define W32GetCurrentThread() ((PW32THREAD)PsGetCurrentThreadWin32Thread())
#define PID_BITS 0xfffffffc // The actual bits used by the PID
#define W32GetCurrentPID() (W32PID)(HandleToUlong(PsGetCurrentProcessId()) & PID_BITS)
#define W32GetCurrentTID() (W32PID)HandleToUlong(PsGetCurrentThreadId())
NTSTATUS
UserPowerStateCallout(
IN PKWIN32_POWERSTATE_PARAMETERS Parms);
NTSTATUS
UserPowerEventCallout(
IN PKWIN32_POWEREVENT_PARAMETERS Parms);
PVOID
UserGlobalAtomTableCallout(
VOID);
NTSTATUS
xxxUserProcessCallout(
IN PW32PROCESS Process,
IN BOOLEAN Initialize);
NTSTATUS
UserThreadCallout(
IN PETHREAD pEThread,
IN PSW32THREADCALLOUTTYPE CalloutType);
VOID
UserDeleteW32Process(
IN PW32PROCESS pW32Process);
VOID
UserDeleteW32Thread(
IN PW32THREAD pW32Thread);
NTSTATUS
GdiProcessCallout(
IN PW32PROCESS Process,
IN BOOLEAN Initialize);
VOID
GdiThreadCallout(
IN PETHREAD pEThread,
IN PSW32THREADCALLOUTTYPE CalloutType);
BOOLEAN
InitializeGre(
VOID);
NTSTATUS
W32pProcessCallout(
IN PEPROCESS Process,
IN BOOLEAN Initialize);
NTSTATUS
W32pThreadCallout(
IN PETHREAD pEThread,
IN PSW32THREADCALLOUTTYPE CalloutType);
//
// Generic thread locking functions
//
#if DBG
ULONG ValidateThreadLocks(
PTL NewLock,
PTL OldLock,
ULONG_PTR dwLimit,
BOOLEAN fHM);
#else
#define ValidateThreadLocks(NewLock, OldLock, dwLimit, fHM)
#endif
//
// DO_INLINE controls whether we want to try inlining the thread locking
// functions. We always want to try inlining on free builds. On debug builds,
// we don't want to inline and we don't want to include multiple copies of
// this code, so we define DO_INCLUDE as empty in w32init.c.
//
#if !DBG
#undef DO_INLINE
#define DO_INLINE __inline
#endif
#ifdef DO_INLINE
DO_INLINE VOID
PushW32ThreadLock(
IN PVOID pobj,
IN PTL ptl,
IN PFREE_FUNCTION pfnFree
)
{
#if DBG
PVOID pfnT;
#endif
PW32THREAD pW32Thread = W32GetCurrentThread();
ptl->next = (struct _TL *)(LONG_PTR)((W32THREAD *)(LONG_PTR)pW32Thread)->ptlW32;
pW32Thread->ptlW32 = ptl;
ptl->pobj = pobj;
ptl->pfnFree = pfnFree;
#if DBG
ptl->pW32Thread = pW32Thread;
RtlGetCallersAddress(&ptl->pfnCaller, &pfnT);
CreateShadowTL(ptl);
ValidateThreadLocks(ptl, ptl->next, (ULONG_PTR)&pW32Thread, FALSE);
#endif
}
DO_INLINE VOID
ExchangeW32ThreadLock(
IN PVOID pobj,
IN PTL ptl
)
{
#if DBG
PVOID pfnT;
PW32THREAD pW32Thread = W32GetCurrentThread();
#endif
PVOID pobjOld;
pobjOld = ptl->pobj;
ptl->pobj = pobj;
if (pobjOld) {
ptl->pfnFree(pobjOld);
}
#if DBG
ASSERT(ptl->pW32Thread == pW32Thread);
RtlGetCallersAddress(&ptl->pfnCaller, &pfnT);
ValidateThreadLocks(ptl, ptl->next, (ULONG_PTR)&pW32Thread, FALSE);
/*
* Maintain gFreeTLList
*/
ptl->ptl->pobj = pobj;
ptl->ptl->pfnCaller = ptl->pfnCaller;
#endif
}
DO_INLINE VOID
PopW32ThreadLock(
IN PTL ptl
)
{
PW32THREAD pW32Thread = W32GetCurrentThread();
#if DBG
ASSERT(ptl);
ASSERT(ptl == pW32Thread->ptlW32);
ValidateThreadLocks(NULL, ptl, (ULONG_PTR)&pW32Thread, FALSE);
#endif
pW32Thread->ptlW32 = ptl->next;
#if DBG
ptl->ptl->next = gFreeTLList;
ptl->ptl->uTLCount += TL_FREED_PATTERN;
gFreeTLList = ptl->ptl;
#endif
}
DO_INLINE VOID
PopAndFreeW32ThreadLock(
IN PTL ptl
)
{
PW32THREAD pW32Thread = W32GetCurrentThread();
#if DBG
ASSERT(ptl);
ASSERT(ptl == pW32Thread->ptlW32);
ValidateThreadLocks(NULL, ptl, (ULONG_PTR)&pW32Thread, FALSE);
#endif
pW32Thread->ptlW32 = ptl->next;
if (ptl->pobj) {
ptl->pfnFree(ptl->pobj);
}
#if DBG
ptl->ptl->next = gFreeTLList;
ptl->ptl->uTLCount += TL_FREED_PATTERN;
gFreeTLList = ptl->ptl;
#endif
}
DO_INLINE VOID
PopAndFreeAlwaysW32ThreadLock(
IN PTL ptl
)
{
PW32THREAD pW32Thread = W32GetCurrentThread();
#if DBG
ASSERT(ptl);
ASSERT(ptl == pW32Thread->ptlW32);
ValidateThreadLocks(NULL, ptl, (ULONG_PTR)&pW32Thread, FALSE);
ASSERT(ptl->pobj);
#endif
pW32Thread->ptlW32 = ptl->next;
ptl->pfnFree(ptl->pobj);
#if DBG
ptl->ptl->next = gFreeTLList;
ptl->ptl->uTLCount += TL_FREED_PATTERN;
gFreeTLList = ptl->ptl;
#endif
}
#else
VOID PushW32ThreadLock(IN PVOID pobj, IN PTL ptl, IN PFREE_FUNCTION pfnFree);
VOID ExchangeW32ThreadLock(IN PVOID pobj, IN PTL ptl);
VOID PopW32ThreadLock(IN PTL ptl);
VOID PopAndFreeW32ThreadLock(IN PTL ptl);
VOID PopAndFreeAlwaysW32ThreadLock(IN PTL ptl);
#endif
VOID
CleanupW32ThreadLocks(
IN PW32THREAD pW32Thread
);
//
// Process and thread manipulation functions
//
VOID
DereferenceW32Thread(
IN PW32THREAD pW32Thread);
NTSTATUS
AllocateW32Process(
IN OUT PEPROCESS pEProcess);
NTSTATUS
AllocateW32Thread(
IN OUT PETHREAD pEThread);
__inline VOID
FreeW32Thread(
IN OUT PETHREAD pEThread)
{
ASSERT(pEThread == PsGetCurrentThread());
ASSERT(PsGetThreadWin32Thread(pEThread) != NULL);
DereferenceW32Thread((PW32THREAD)PsGetThreadWin32Thread(pEThread));
}
VOID
LockW32Process(
IN PW32PROCESS pW32Process,
IN PTL ptl);
#define UnlockW32Process(ptl) \
PopAndFreeW32ThreadLock(ptl)
VOID
LockW32Thread(
IN PW32THREAD pW32Thread,
IN PTL ptl);
VOID
LockExchangeW32Thread(
IN PW32THREAD pW32Thread,
IN PTL ptl);
#define UnlockW32Thread(ptl) \
PopAndFreeW32ThreadLock(ptl)
//
// Base address where win32k.sys is loaded.
//
extern PVOID gpvWin32kImageBase;
#endif // _W32P_