#pragma once

#define UserEnterCo UserEnterExclusive
#define UserLeaveCo UserLeave

typedef VOID (*TL_FN_FREE)(PVOID);

/* Thread Lock structure */
typedef struct _TL
{
    struct _TL* next;
    PVOID pobj;
    TL_FN_FREE pfnFree;
} TL, *PTL;

extern PSERVERINFO gpsi;
extern PTHREADINFO gptiCurrent;
extern PPROCESSINFO gppiList;
extern PPROCESSINFO ppiScrnSaver;
extern PPROCESSINFO gppiInputProvider;
extern BOOL g_AlwaysDisplayVersion;
extern ATOM gaGuiConsoleWndClass;
extern ATOM AtomDDETrack;
extern ATOM AtomQOS;
extern ATOM AtomImeLevel;
extern ERESOURCE UserLock;

CODE_SEG("INIT") NTSTATUS NTAPI InitUserImpl(VOID);
VOID FASTCALL CleanupUserImpl(VOID);
VOID FASTCALL UserEnterShared(VOID);
VOID FASTCALL UserEnterExclusive(VOID);
VOID FASTCALL UserLeave(VOID);
BOOL FASTCALL UserIsEntered(VOID);
BOOL FASTCALL UserIsEnteredExclusive(VOID);
DWORD FASTCALL UserGetLanguageToggle(_In_ LPCWSTR pszType, _In_ DWORD dwDefaultValue);

_Success_(return != FALSE)
BOOL
NTAPI
RegReadUserSetting(
    _In_z_ PCWSTR pwszKeyName,
    _In_z_ PCWSTR pwszValueName,
    _In_ ULONG ulType,
    _Out_writes_bytes_(cjDataSize) _When_(ulType == REG_SZ, _Post_z_) PVOID pvData,
    _In_ ULONG cjDataSize);

_Success_(return != FALSE)
BOOL
NTAPI
RegWriteUserSetting(
    _In_z_ PCWSTR pwszKeyName,
    _In_z_ PCWSTR pwszValueName,
    _In_ ULONG ulType,
    _In_reads_bytes_(cjDataSize) const VOID *pvData,
    _In_ ULONG cjDataSize);

PGRAPHICS_DEVICE
NTAPI
InitDisplayDriver(
    IN PWSTR pwszDeviceName,
    IN PWSTR pwszRegKey);

/* EOF */