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reactos/sdk/include/xdk/exfuncs.h
Victor Perevertkin d01518da7c
[XDK] Add definitions required for newer storage class drivers (cdrom) 
That introduced some warnings in the current code which were corrected as well

CORE-17129
2020-09-24 22:30:52 +03:00

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/******************************************************************************
* Executive Functions *
******************************************************************************/
$if (_WDMDDK_)
#define ExInterlockedIncrementLong(Addend,Lock) Exfi386InterlockedIncrementLong(Addend)
#define ExInterlockedDecrementLong(Addend,Lock) Exfi386InterlockedDecrementLong(Addend)
#define ExInterlockedExchangeUlong(Target, Value, Lock) Exfi386InterlockedExchangeUlong(Target, Value)
#define ExAcquireSpinLock(Lock, OldIrql) KeAcquireSpinLock((Lock), (OldIrql))
#define ExReleaseSpinLock(Lock, OldIrql) KeReleaseSpinLock((Lock), (OldIrql))
#define ExAcquireSpinLockAtDpcLevel(Lock) KeAcquireSpinLockAtDpcLevel(Lock)
#define ExReleaseSpinLockFromDpcLevel(Lock) KeReleaseSpinLockFromDpcLevel(Lock)
#define ExInitializeSListHead InitializeSListHead
#if defined(_NTHAL_) && defined(_X86_)
NTKERNELAPI
VOID
FASTCALL
ExiAcquireFastMutex(
IN OUT PFAST_MUTEX FastMutex);
NTKERNELAPI
VOID
FASTCALL
ExiReleaseFastMutex(
IN OUT PFAST_MUTEX FastMutex);
NTKERNELAPI
BOOLEAN
FASTCALL
ExiTryToAcquireFastMutex(
IN OUT PFAST_MUTEX FastMutex);
#define ExAcquireFastMutex ExiAcquireFastMutex
#define ExReleaseFastMutex ExiReleaseFastMutex
#define ExTryToAcquireFastMutex ExiTryToAcquireFastMutex
#else
#if (NTDDI_VERSION >= NTDDI_WIN2K)
_IRQL_raises_(APC_LEVEL)
_IRQL_saves_global_(OldIrql, FastMutex)
NTKERNELAPI
VOID
FASTCALL
ExAcquireFastMutex(
_Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_lock_(*_Curr_)
PFAST_MUTEX FastMutex);
_IRQL_requires_(APC_LEVEL)
_IRQL_restores_global_(OldIrql, FastMutex)
NTKERNELAPI
VOID
FASTCALL
ExReleaseFastMutex(
_Inout_ _Requires_lock_held_(*_Curr_) _Releases_lock_(*_Curr_)
PFAST_MUTEX FastMutex);
_Must_inspect_result_
_Success_(return!=FALSE)
_IRQL_raises_(APC_LEVEL)
_IRQL_saves_global_(OldIrql, FastMutex)
NTKERNELAPI
BOOLEAN
FASTCALL
ExTryToAcquireFastMutex(
_Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_lock_(*_Curr_)
PFAST_MUTEX FastMutex);
#endif /* (NTDDI_VERSION >= NTDDI_WIN2K) */
#endif /* defined(_NTHAL_) && defined(_X86_) */
#if defined(_X86_)
#define ExInterlockedAddUlong ExfInterlockedAddUlong
#define ExInterlockedInsertHeadList ExfInterlockedInsertHeadList
#define ExInterlockedInsertTailList ExfInterlockedInsertTailList
#define ExInterlockedRemoveHeadList ExfInterlockedRemoveHeadList
#define ExInterlockedPopEntryList ExfInterlockedPopEntryList
#define ExInterlockedPushEntryList ExfInterlockedPushEntryList
#endif /* defined(_X86_) */
#ifdef _X86_
#ifdef _WIN2K_COMPAT_SLIST_USAGE
NTKERNELAPI
PSLIST_ENTRY
FASTCALL
ExInterlockedPushEntrySList(
_Inout_ PSLIST_HEADER SListHead,
_Inout_ __drv_aliasesMem PSLIST_ENTRY SListEntry,
_Inout_opt_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
NTKERNELAPI
PSLIST_ENTRY
FASTCALL
ExInterlockedPopEntrySList(
_Inout_ PSLIST_HEADER SListHead,
_Inout_opt_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
#else /* !_WIN2K_COMPAT_SLIST_USAGE */
#define ExInterlockedPushEntrySList(SListHead, SListEntry, Lock) \
InterlockedPushEntrySList(SListHead, SListEntry)
#define ExInterlockedPopEntrySList(SListHead, Lock) \
InterlockedPopEntrySList(SListHead)
#endif /* _WIN2K_COMPAT_SLIST_USAGE */
NTKERNELAPI
PSLIST_ENTRY
FASTCALL
ExInterlockedFlushSList(
_Inout_ PSLIST_HEADER SListHead);
#ifdef NONAMELESSUNION
#define ExQueryDepthSList(SListHead) (SListHead)->s.Depth
#else
#define ExQueryDepthSList(SListHead) (SListHead)->Depth
#endif
#else /* !_X86_ */
NTKERNELAPI
PSLIST_ENTRY
ExpInterlockedPushEntrySList(
_Inout_ PSLIST_HEADER SListHead,
_Inout_ __drv_aliasesMem PSLIST_ENTRY SListEntry);
NTKERNELAPI
PSLIST_ENTRY
ExpInterlockedPopEntrySList(
_Inout_ PSLIST_HEADER SListHead);
NTKERNELAPI
PSLIST_ENTRY
ExpInterlockedFlushSList(
_Inout_ PSLIST_HEADER SListHead);
#if !defined(_NTSYSTEM_) && (defined(_NTDRIVER_) || defined(_NTDDK_) || defined(_NTIFS_) || defined(_NTHAL_) || defined(_NTOSP_))
NTKERNELAPI
USHORT
ExQueryDepthSList(_In_ PSLIST_HEADER SListHead);
#else
FORCEINLINE
USHORT
ExQueryDepthSList(_In_ PSLIST_HEADER SListHead)
{
#ifdef _WIN64
return (USHORT)(SListHead->Alignment & 0xffff);
#else /* !_WIN64 */
return (USHORT)SListHead->Depth;
#endif /* _WIN64 */
}
#endif
#define ExInterlockedPushEntrySList(SListHead, SListEntry, Lock) \
ExpInterlockedPushEntrySList(SListHead, SListEntry)
#define ExInterlockedPopEntrySList(SListHead, Lock) \
ExpInterlockedPopEntrySList(SListHead)
#define ExInterlockedFlushSList(SListHead) \
ExpInterlockedFlushSList(SListHead)
#endif /* _X86_ */
#if defined(_WIN2K_COMPAT_SLIST_USAGE) && defined(_X86_)
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
PVOID
NTAPI
ExAllocateFromPagedLookasideList(
_Inout_ PPAGED_LOOKASIDE_LIST Lookaside);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExFreeToPagedLookasideList(
_Inout_ PPAGED_LOOKASIDE_LIST Lookaside,
_In_ PVOID Entry);
#else /* !_WIN2K_COMPAT_SLIST_USAGE */
_IRQL_requires_max_(APC_LEVEL)
static __inline
PVOID
ExAllocateFromPagedLookasideList(
_Inout_ PPAGED_LOOKASIDE_LIST Lookaside)
{
PVOID Entry;
Lookaside->L.TotalAllocates++;
#ifdef NONAMELESSUNION
Entry = InterlockedPopEntrySList(&Lookaside->L.u.ListHead);
if (Entry == NULL) {
Lookaside->L.u2.AllocateMisses++;
Entry = (Lookaside->L.u4.Allocate)(Lookaside->L.Type,
Lookaside->L.Size,
Lookaside->L.Tag);
}
#else /* NONAMELESSUNION */
Entry = InterlockedPopEntrySList(&Lookaside->L.ListHead);
if (Entry == NULL) {
Lookaside->L.AllocateMisses++;
Entry = (Lookaside->L.Allocate)(Lookaside->L.Type,
Lookaside->L.Size,
Lookaside->L.Tag);
}
#endif /* NONAMELESSUNION */
return Entry;
}
_IRQL_requires_max_(APC_LEVEL)
static __inline
VOID
ExFreeToPagedLookasideList(
_Inout_ PPAGED_LOOKASIDE_LIST Lookaside,
_In_ PVOID Entry)
{
Lookaside->L.TotalFrees++;
#ifdef NONAMELESSUNION
if (ExQueryDepthSList(&Lookaside->L.u.ListHead) >= Lookaside->L.Depth) {
Lookaside->L.u3.FreeMisses++;
(Lookaside->L.u5.Free)(Entry);
} else {
InterlockedPushEntrySList(&Lookaside->L.u.ListHead, (PSLIST_ENTRY)Entry);
}
#else /* NONAMELESSUNION */
if (ExQueryDepthSList(&Lookaside->L.ListHead) >= Lookaside->L.Depth) {
Lookaside->L.FreeMisses++;
(Lookaside->L.Free)(Entry);
} else {
InterlockedPushEntrySList(&Lookaside->L.ListHead, (PSLIST_ENTRY)Entry);
}
#endif /* NONAMELESSUNION */
}
#endif /* _WIN2K_COMPAT_SLIST_USAGE */
/* ERESOURCE_THREAD
* ExGetCurrentResourceThread(
* VOID);
*/
#define ExGetCurrentResourceThread() ((ULONG_PTR)PsGetCurrentThread())
#define ExReleaseResource(R) (ExReleaseResourceLite(R))
/* VOID
* ExInitializeWorkItem(
* IN PWORK_QUEUE_ITEM Item,
* IN PWORKER_THREAD_ROUTINE Routine,
* IN PVOID Context)
*/
#define ExInitializeWorkItem(Item, Routine, Context) \
{ \
(Item)->WorkerRoutine = Routine; \
(Item)->Parameter = Context; \
(Item)->List.Flink = NULL; \
}
FORCEINLINE
VOID
ExInitializeFastMutex(
_Out_ PFAST_MUTEX FastMutex)
{
FastMutex->Count = FM_LOCK_BIT;
FastMutex->Owner = NULL;
FastMutex->Contention = 0;
KeInitializeEvent(&FastMutex->Event, SynchronizationEvent, FALSE);
return;
}
$endif (_WDMDDK_)
$if (_NTDDK_)
static __inline PVOID
ExAllocateFromZone(
IN PZONE_HEADER Zone)
{
PVOID Result = (PVOID)Zone->FreeList.Next;
if (Zone->FreeList.Next)
Zone->FreeList.Next = Zone->FreeList.Next->Next;
return Result;
}
static __inline PVOID
ExFreeToZone(
IN PZONE_HEADER Zone,
IN PVOID Block)
{
((PSINGLE_LIST_ENTRY) Block)->Next = Zone->FreeList.Next;
Zone->FreeList.Next = ((PSINGLE_LIST_ENTRY) Block);
return ((PSINGLE_LIST_ENTRY) Block)->Next;
}
/*
* PVOID
* ExInterlockedAllocateFromZone(
* IN PZONE_HEADER Zone,
* IN PKSPIN_LOCK Lock)
*/
#define ExInterlockedAllocateFromZone(Zone, Lock) \
((PVOID) ExInterlockedPopEntryList(&Zone->FreeList, Lock))
/* PVOID
* ExInterlockedFreeToZone(
* IN PZONE_HEADER Zone,
* IN PVOID Block,
* IN PKSPIN_LOCK Lock);
*/
#define ExInterlockedFreeToZone(Zone, Block, Lock) \
ExInterlockedPushEntryList(&(Zone)->FreeList, (PSINGLE_LIST_ENTRY)(Block), Lock)
/*
* BOOLEAN
* ExIsFullZone(
* IN PZONE_HEADER Zone)
*/
#define ExIsFullZone(Zone) \
((Zone)->FreeList.Next == (PSINGLE_LIST_ENTRY) NULL)
/* BOOLEAN
* ExIsObjectInFirstZoneSegment(
* IN PZONE_HEADER Zone,
* IN PVOID Object);
*/
#define ExIsObjectInFirstZoneSegment(Zone,Object) \
((BOOLEAN)( ((PUCHAR)(Object) >= (PUCHAR)(Zone)->SegmentList.Next) && \
((PUCHAR)(Object) < (PUCHAR)(Zone)->SegmentList.Next + \
(Zone)->TotalSegmentSize)) )
#define ExAcquireResourceExclusive ExAcquireResourceExclusiveLite
#define ExAcquireResourceShared ExAcquireResourceSharedLite
#define ExConvertExclusiveToShared ExConvertExclusiveToSharedLite
#define ExDeleteResource ExDeleteResourceLite
#define ExInitializeResource ExInitializeResourceLite
#define ExIsResourceAcquiredExclusive ExIsResourceAcquiredExclusiveLite
#define ExIsResourceAcquiredShared ExIsResourceAcquiredSharedLite
#define ExIsResourceAcquired ExIsResourceAcquiredSharedLite
#define ExReleaseResourceForThread ExReleaseResourceForThreadLite
#ifndef _M_IX86
#define RESULT_ZERO 0
#define RESULT_NEGATIVE 1
#define RESULT_POSITIVE 2
#endif
typedef enum _INTERLOCKED_RESULT {
ResultNegative = RESULT_NEGATIVE,
ResultZero = RESULT_ZERO,
ResultPositive = RESULT_POSITIVE
} INTERLOCKED_RESULT;
#ifdef _X86_
NTKERNELAPI
INTERLOCKED_RESULT
FASTCALL
Exfi386InterlockedIncrementLong(
_Inout_ _Interlocked_operand_ LONG volatile *Addend);
NTKERNELAPI
INTERLOCKED_RESULT
FASTCALL
Exfi386InterlockedDecrementLong(
_Inout_ _Interlocked_operand_ PLONG Addend);
NTKERNELAPI
ULONG
FASTCALL
Exfi386InterlockedExchangeUlong(
_Inout_ _Interlocked_operand_ PULONG Target,
_In_ ULONG Value);
#endif
$endif (_NTDDK_)
$if (_NTIFS_)
#define ExDisableResourceBoost ExDisableResourceBoostLite
VOID
NTAPI
ExInitializePushLock(
_Out_ PEX_PUSH_LOCK PushLock);
$endif (_NTIFS_)
#if (NTDDI_VERSION >= NTDDI_WIN2K)
$if (_WDMDDK_)
_IRQL_requires_max_(APC_LEVEL)
_Requires_lock_held_(_Global_critical_region_)
NTKERNELAPI
VOID
FASTCALL
ExAcquireFastMutexUnsafe(
_Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_lock_(*_Curr_)
PFAST_MUTEX FastMutex);
_IRQL_requires_max_(APC_LEVEL)
_Requires_lock_held_(_Global_critical_region_)
NTKERNELAPI
VOID
FASTCALL
ExReleaseFastMutexUnsafe(
_Inout_ _Requires_lock_held_(*_Curr_) _Releases_lock_(*_Curr_)
PFAST_MUTEX FastMutex);
_Requires_lock_held_(_Global_critical_region_)
_Requires_lock_not_held_(*Resource)
_When_(Wait!=0, _Acquires_exclusive_lock_(*Resource))
_IRQL_requires_max_(APC_LEVEL)
_When_(Wait!=0, _Post_satisfies_(return == 1))
_When_(Wait==0, _Post_satisfies_(return == 0 || return == 1) _Must_inspect_result_)
NTKERNELAPI
BOOLEAN
NTAPI
ExAcquireResourceExclusiveLite(
_Inout_ PERESOURCE Resource,
_In_ _Literal_ BOOLEAN Wait);
_IRQL_requires_max_(APC_LEVEL)
_Requires_lock_held_(_Global_critical_region_)
_When_(Wait!=0, _Post_satisfies_(return == 1))
_When_(Wait==0, _Post_satisfies_(return == 0 || return == 1) _Must_inspect_result_)
NTKERNELAPI
BOOLEAN
NTAPI
ExAcquireResourceSharedLite(
_Inout_ _Requires_lock_not_held_(*_Curr_)
_When_(return!=0, _Acquires_shared_lock_(*_Curr_))
PERESOURCE Resource,
_In_ BOOLEAN Wait);
_IRQL_requires_max_(APC_LEVEL)
_Requires_lock_held_(_Global_critical_region_)
_When_(Wait!=0, _Post_satisfies_(return == 1))
_When_(Wait==0, _Post_satisfies_(return == 0 || return == 1) _Must_inspect_result_)
NTKERNELAPI
BOOLEAN
NTAPI
ExAcquireSharedStarveExclusive(
_Inout_ _Requires_lock_not_held_(*_Curr_)
_When_(return!=0, _Acquires_shared_lock_(*_Curr_))
PERESOURCE Resource,
_In_ BOOLEAN Wait);
_IRQL_requires_max_(APC_LEVEL)
_Requires_lock_held_(_Global_critical_region_)
_When_(Wait!=0, _Post_satisfies_(return == 1))
_When_(Wait==0, _Post_satisfies_(return == 0 || return == 1) _Must_inspect_result_)
NTKERNELAPI
BOOLEAN
NTAPI
ExAcquireSharedWaitForExclusive(
_Inout_ _Requires_lock_not_held_(*_Curr_)
_When_(return!=0, _Acquires_lock_(*_Curr_))
PERESOURCE Resource,
_In_ BOOLEAN Wait);
__drv_preferredFunction("ExAllocatePoolWithTag",
"No tag interferes with debugging.")
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed |
POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed |
POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
NTKERNELAPI
PVOID
NTAPI
ExAllocatePool(
__drv_strictTypeMatch(__drv_typeExpr) _In_ POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes);
__drv_preferredFunction("ExAllocatePoolWithQuotaTag",
"No tag interferes with debugging.")
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & POOL_QUOTA_FAIL_INSTEAD_OF_RAISE) != 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & POOL_QUOTA_FAIL_INSTEAD_OF_RAISE) == 0, _Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
NTKERNELAPI
PVOID
NTAPI
ExAllocatePoolWithQuota(
__drv_strictTypeMatch(__drv_typeExpr) _In_ POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes);
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & POOL_QUOTA_FAIL_INSTEAD_OF_RAISE) != 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & POOL_QUOTA_FAIL_INSTEAD_OF_RAISE) == 0, _Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
NTKERNELAPI
PVOID
NTAPI
ExAllocatePoolWithQuotaTag(
_In_ __drv_strictTypeMatch(__drv_typeExpr) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag);
#ifndef POOL_TAGGING
#define ExAllocatePoolWithQuotaTag(a,b,c) ExAllocatePoolWithQuota(a,b)
#endif
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
_Function_class_(ALLOCATE_FUNCTION)
NTKERNELAPI
PVOID
NTAPI
ExAllocatePoolWithTag(
_In_ __drv_strictTypeMatch(__drv_typeExpr) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag);
#ifndef POOL_TAGGING
#define ExAllocatePoolWithTag(a,b,c) ExAllocatePool(a,b)
#endif
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
NTKERNELAPI
PVOID
NTAPI
ExAllocatePoolWithTagPriority(
_In_ __drv_strictTypeMatch(__drv_typeCond) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag,
_In_ __drv_strictTypeMatch(__drv_typeExpr) EX_POOL_PRIORITY Priority);
FORCEINLINE
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
PVOID
NTAPI
ExAllocatePoolZero(
_In_ __drv_strictTypeMatch(__drv_typeExpr) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag)
{
PVOID Allocation;
Allocation = ExAllocatePoolWithTag(PoolType, NumberOfBytes, Tag);
if (Allocation != NULL) {
RtlZeroMemory(Allocation, NumberOfBytes);
}
return Allocation;
}
FORCEINLINE
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
PVOID
NTAPI
ExAllocatePoolUninitialized(
_In_ __drv_strictTypeMatch(__drv_typeExpr) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag)
{
return ExAllocatePoolWithTag(PoolType, NumberOfBytes, Tag);
}
FORCEINLINE
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
PVOID
NTAPI
ExAllocatePoolQuotaZero (
_In_ __drv_strictTypeMatch(__drv_typeExpr) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag)
{
PVOID Allocation;
Allocation = ExAllocatePoolWithQuotaTag(PoolType, NumberOfBytes, Tag);
if (Allocation != NULL) {
RtlZeroMemory(Allocation, NumberOfBytes);
}
return Allocation;
}
FORCEINLINE
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
PVOID
NTAPI
ExAllocatePoolQuotaUninitialized(
_In_ __drv_strictTypeMatch(__drv_typeExpr) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag)
{
return ExAllocatePoolWithQuotaTag(PoolType, NumberOfBytes, Tag);
}
FORCEINLINE
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
PVOID
NTAPI
ExAllocatePoolPriorityZero(
_In_ __drv_strictTypeMatch(__drv_typeExpr) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag,
_In_ EX_POOL_PRIORITY Priority)
{
PVOID Allocation;
Allocation = ExAllocatePoolWithTagPriority(PoolType, NumberOfBytes, Tag, Priority);
if (Allocation != NULL) {
RtlZeroMemory(Allocation, NumberOfBytes);
}
return Allocation;
}
FORCEINLINE
__drv_allocatesMem(Mem)
_When_((PoolType & PagedPool) != 0, _IRQL_requires_max_(APC_LEVEL))
_When_((PoolType & PagedPool) == 0, _IRQL_requires_max_(DISPATCH_LEVEL))
_When_((PoolType & NonPagedPoolMustSucceed) != 0,
__drv_reportError("Must succeed pool allocations are forbidden. "
"Allocation failures cause a system crash"))
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) == 0,
_Post_maybenull_ _Must_inspect_result_)
_When_((PoolType & (NonPagedPoolMustSucceed | POOL_RAISE_IF_ALLOCATION_FAILURE)) != 0,
_Post_notnull_)
_Post_writable_byte_size_(NumberOfBytes)
PVOID
NTAPI
ExAllocatePoolPriorityUninitialized(
_In_ __drv_strictTypeMatch(__drv_typeExpr) POOL_TYPE PoolType,
_In_ SIZE_T NumberOfBytes,
_In_ ULONG Tag,
_In_ EX_POOL_PRIORITY Priority)
{
return ExAllocatePoolWithTagPriority(PoolType, NumberOfBytes, Tag, Priority);
}
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExConvertExclusiveToSharedLite(
_Inout_ _Requires_lock_held_(*_Curr_) PERESOURCE Resource);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
NTSTATUS
NTAPI
ExCreateCallback(
_Outptr_ PCALLBACK_OBJECT *CallbackObject,
_In_ POBJECT_ATTRIBUTES ObjectAttributes,
_In_ BOOLEAN Create,
_In_ BOOLEAN AllowMultipleCallbacks);
NTKERNELAPI
VOID
NTAPI
ExDeleteNPagedLookasideList(
_Inout_ PNPAGED_LOOKASIDE_LIST Lookaside);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExDeletePagedLookasideList(
_Inout_ PPAGED_LOOKASIDE_LIST Lookaside);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
NTSTATUS
NTAPI
ExDeleteResourceLite(
_Inout_ PERESOURCE Resource);
_IRQL_requires_max_(DISPATCH_LEVEL)
_Function_class_(FREE_FUNCTION)
NTKERNELAPI
VOID
NTAPI
ExFreePool(
_Pre_notnull_ __drv_freesMem(Mem) PVOID P);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExFreePoolWithTag(
_Pre_notnull_ __drv_freesMem(Mem) PVOID P,
_In_ ULONG Tag);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
ULONG
NTAPI
ExGetExclusiveWaiterCount(
_In_ PERESOURCE Resource);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
KPROCESSOR_MODE
NTAPI
ExGetPreviousMode(VOID);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
ULONG
NTAPI
ExGetSharedWaiterCount(
_In_ PERESOURCE Resource);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExInitializeNPagedLookasideList(
_Out_ PNPAGED_LOOKASIDE_LIST Lookaside,
_In_opt_ PALLOCATE_FUNCTION Allocate,
_In_opt_ PFREE_FUNCTION Free,
_In_ ULONG Flags,
_In_ SIZE_T Size,
_In_ ULONG Tag,
_In_ USHORT Depth);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExInitializePagedLookasideList(
_Out_ PPAGED_LOOKASIDE_LIST Lookaside,
_In_opt_ PALLOCATE_FUNCTION Allocate,
_In_opt_ PFREE_FUNCTION Free,
_In_ ULONG Flags,
_In_ SIZE_T Size,
_In_ ULONG Tag,
_In_ USHORT Depth);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
NTSTATUS
NTAPI
ExInitializeResourceLite(
_Out_ PERESOURCE Resource);
NTKERNELAPI
LARGE_INTEGER
NTAPI
ExInterlockedAddLargeInteger(
_Inout_ PLARGE_INTEGER Addend,
_In_ LARGE_INTEGER Increment,
_Inout_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
#if !defined(_M_IX86)
#define ExInterlockedAddLargeStatistic(Addend, Increment) \
(VOID)InterlockedAdd64(&(Addend)->QuadPart, Increment)
#else
#define ExInterlockedAddLargeStatistic(Addend, Increment) \
(VOID)_InterlockedAddLargeStatistic((PLONGLONG)&(Addend)->QuadPart, Increment)
#endif
NTKERNELAPI
ULONG
FASTCALL
ExInterlockedAddUlong(
_Inout_ PULONG Addend,
_In_ ULONG Increment,
_Inout_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
#if defined(_M_IX86)
NTKERNELAPI
LONGLONG
FASTCALL
ExfInterlockedCompareExchange64(
_Inout_ _Interlocked_operand_ LONGLONG volatile *Destination,
_In_ PLONGLONG Exchange,
_In_ PLONGLONG Comperand);
#define ExInterlockedCompareExchange64(Destination, Exchange, Comperand, Lock) \
ExfInterlockedCompareExchange64(Destination, Exchange, Comperand)
#else
#define ExInterlockedCompareExchange64(Destination, Exchange, Comperand, Lock) \
InterlockedCompareExchange64(Destination, *(Exchange), *(Comperand))
#endif /* defined(_M_IX86) */
NTKERNELAPI
PLIST_ENTRY
FASTCALL
ExInterlockedInsertHeadList(
_Inout_ PLIST_ENTRY ListHead,
_Inout_ __drv_aliasesMem PLIST_ENTRY ListEntry,
_Inout_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
NTKERNELAPI
PLIST_ENTRY
FASTCALL
ExInterlockedInsertTailList(
_Inout_ PLIST_ENTRY ListHead,
_Inout_ __drv_aliasesMem PLIST_ENTRY ListEntry,
_Inout_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
NTKERNELAPI
PSINGLE_LIST_ENTRY
FASTCALL
ExInterlockedPopEntryList(
_Inout_ PSINGLE_LIST_ENTRY ListHead,
_Inout_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
NTKERNELAPI
PSINGLE_LIST_ENTRY
FASTCALL
ExInterlockedPushEntryList(
_Inout_ PSINGLE_LIST_ENTRY ListHead,
_Inout_ __drv_aliasesMem PSINGLE_LIST_ENTRY ListEntry,
_Inout_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
NTKERNELAPI
PLIST_ENTRY
FASTCALL
ExInterlockedRemoveHeadList(
_Inout_ PLIST_ENTRY ListHead,
_Inout_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
_IRQL_requires_max_(PASSIVE_LEVEL)
NTKERNELAPI
BOOLEAN
NTAPI
ExIsProcessorFeaturePresent(
_In_ ULONG ProcessorFeature);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
BOOLEAN
NTAPI
ExIsResourceAcquiredExclusiveLite(
_In_ PERESOURCE Resource);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
ULONG
NTAPI
ExIsResourceAcquiredSharedLite(
_In_ PERESOURCE Resource);
#define ExIsResourceAcquiredLite ExIsResourceAcquiredSharedLite
NTKERNELAPI
VOID
NTAPI
ExLocalTimeToSystemTime(
_In_ PLARGE_INTEGER LocalTime,
_Out_ PLARGE_INTEGER SystemTime);
#if (NTDDI_VERSION >= NTDDI_WINBLUE)
#define EX_TIMER_HIGH_RESOLUTION 0x4
#define EX_TIMER_NO_WAKE 0x8
#define EX_TIMER_UNLIMITED_TOLERANCE ((LONGLONG)-1)
#define EX_TIMER_NOTIFICATION (1UL << 31)
NTKERNELAPI
PEX_TIMER
NTAPI
ExAllocateTimer(
_In_opt_ PEXT_CALLBACK Callback,
_In_opt_ PVOID CallbackContext,
_In_ ULONG Attributes);
NTKERNELAPI
BOOLEAN
NTAPI
ExSetTimer(
_In_ PEX_TIMER Timer,
_In_ LONGLONG DueTime,
_In_ LONGLONG Period,
_In_opt_ PEXT_SET_PARAMETERS Parameters);
NTKERNELAPI
BOOLEAN
NTAPI
ExCancelTimer(
_Inout_ PEX_TIMER Timer,
_In_opt_ PEXT_CANCEL_PARAMETERS Parameters);
NTKERNELAPI
BOOLEAN
NTAPI
ExDeleteTimer(
_In_ PEX_TIMER Timer,
_In_ BOOLEAN Cancel,
_In_ BOOLEAN Wait,
_In_opt_ PEXT_DELETE_PARAMETERS Parameters);
FORCEINLINE
VOID
ExInitializeSetTimerParameters(
_Out_ PEXT_SET_PARAMETERS Parameters)
{
ASSERT(FALSE);
}
#endif // NTDDI_WINBLUE
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExNotifyCallback(
_In_ PCALLBACK_OBJECT CallbackObject,
_In_opt_ PVOID Argument1,
_In_opt_ PVOID Argument2);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExQueueWorkItem(
_Inout_ __drv_aliasesMem PWORK_QUEUE_ITEM WorkItem,
__drv_strictTypeMatch(__drv_typeExpr) _In_ WORK_QUEUE_TYPE QueueType);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
DECLSPEC_NORETURN
VOID
NTAPI
ExRaiseStatus(
_In_ NTSTATUS Status);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
PVOID
NTAPI
ExRegisterCallback(
_Inout_ PCALLBACK_OBJECT CallbackObject,
_In_ PCALLBACK_FUNCTION CallbackFunction,
_In_opt_ PVOID CallbackContext);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
NTSTATUS
NTAPI
ExReinitializeResourceLite(
_Inout_ PERESOURCE Resource);
_IRQL_requires_max_(DISPATCH_LEVEL)
_Requires_lock_held_(_Global_critical_region_)
NTKERNELAPI
VOID
NTAPI
ExReleaseResourceForThreadLite(
_Inout_ _Requires_lock_held_(*_Curr_) _Releases_lock_(*_Curr_)
PERESOURCE Resource,
_In_ ERESOURCE_THREAD ResourceThreadId);
_Requires_lock_held_(_Global_critical_region_)
_Requires_lock_held_(*Resource)
_Releases_lock_(*Resource)
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
FASTCALL
ExReleaseResourceLite(
_Inout_ PERESOURCE Resource);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExSetResourceOwnerPointer(
_Inout_ PERESOURCE Resource,
_In_ PVOID OwnerPointer);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
ULONG
NTAPI
ExSetTimerResolution(
_In_ ULONG DesiredTime,
_In_ BOOLEAN SetResolution);
NTKERNELAPI
VOID
NTAPI
ExSystemTimeToLocalTime(
_In_ PLARGE_INTEGER SystemTime,
_Out_ PLARGE_INTEGER LocalTime);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExUnregisterCallback(
_Inout_ PVOID CbRegistration);
$endif (_WDMDDK_)
$if (_NTDDK_)
NTKERNELAPI
NTSTATUS
NTAPI
ExExtendZone(
_Inout_ PZONE_HEADER Zone,
_Inout_ PVOID Segment,
_In_ ULONG SegmentSize);
NTKERNELAPI
NTSTATUS
NTAPI
ExInitializeZone(
_Out_ PZONE_HEADER Zone,
_In_ ULONG BlockSize,
_Inout_ PVOID InitialSegment,
_In_ ULONG InitialSegmentSize);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
NTSTATUS
NTAPI
ExInterlockedExtendZone(
_Inout_ PZONE_HEADER Zone,
_Inout_ PVOID Segment,
_In_ ULONG SegmentSize,
_Inout_ _Requires_lock_not_held_(*_Curr_) PKSPIN_LOCK Lock);
_IRQL_requires_max_(PASSIVE_LEVEL)
NTKERNELAPI
NTSTATUS
NTAPI
ExUuidCreate(
_Out_ UUID *Uuid);
_IRQL_requires_max_(PASSIVE_LEVEL)
NTKERNELAPI
DECLSPEC_NORETURN
VOID
NTAPI
ExRaiseAccessViolation(VOID);
_IRQL_requires_max_(PASSIVE_LEVEL)
NTKERNELAPI
DECLSPEC_NORETURN
VOID
NTAPI
ExRaiseDatatypeMisalignment(VOID);
$endif (_NTDDK_)
$if (_NTIFS_)
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
SIZE_T
NTAPI
ExQueryPoolBlockSize(
_In_ PVOID PoolBlock,
_Out_ PBOOLEAN QuotaCharged);
_IRQL_requires_max_(DISPATCH_LEVEL)
VOID
ExAdjustLookasideDepth(VOID);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExDisableResourceBoostLite(
_In_ PERESOURCE Resource);
$endif (_NTIFS_)
#endif /* (NTDDI_VERSION >= NTDDI_WIN2K) */
$if (_WDMDDK_ || _NTIFS_)
#if (NTDDI_VERSION >= NTDDI_WINXP)
$endif (_WDMDDK_ || _NTIFS_)
$if (_WDMDDK_)
_Must_inspect_result_
_Post_satisfies_(return == 0 || return == 1)
NTKERNELAPI
BOOLEAN
FASTCALL
ExAcquireRundownProtection(
_Inout_ PEX_RUNDOWN_REF RunRef);
NTKERNELAPI
VOID
FASTCALL
ExInitializeRundownProtection(
_Out_ PEX_RUNDOWN_REF RunRef);
NTKERNELAPI
VOID
FASTCALL
ExReInitializeRundownProtection(
_Inout_ PEX_RUNDOWN_REF RunRef);
NTKERNELAPI
VOID
FASTCALL
ExReleaseRundownProtection(
_Inout_ PEX_RUNDOWN_REF RunRef);
NTKERNELAPI
VOID
FASTCALL
ExRundownCompleted(
_Out_ PEX_RUNDOWN_REF RunRef);
NTKERNELAPI
BOOLEAN
NTAPI
ExVerifySuite(
__drv_strictTypeMatch(__drv_typeExpr) _In_ SUITE_TYPE SuiteType);
NTKERNELAPI
VOID
FASTCALL
ExWaitForRundownProtectionRelease(
_Inout_ PEX_RUNDOWN_REF RunRef);
$endif (_WDMDDK_)
$if (_NTIFS_)
PSLIST_ENTRY
FASTCALL
InterlockedPushListSList(
_Inout_ PSLIST_HEADER ListHead,
_Inout_ __drv_aliasesMem PSLIST_ENTRY List,
_Inout_ PSLIST_ENTRY ListEnd,
_In_ ULONG Count);
$endif (_NTIFS_)
$if (_WDMDDK_ || _NTIFS_)
#endif /* (NTDDI_VERSION >= NTDDI_WINXP) */
$endif (_WDMDDK_ || _NTIFS_)
$if (_WDMDDK_)
#if (NTDDI_VERSION >= NTDDI_WINXPSP2)
_Must_inspect_result_
_Post_satisfies_(return == 0 || return == 1)
NTKERNELAPI
BOOLEAN
FASTCALL
ExAcquireRundownProtectionEx(
_Inout_ PEX_RUNDOWN_REF RunRef,
_In_ ULONG Count);
NTKERNELAPI
VOID
FASTCALL
ExReleaseRundownProtectionEx(
_Inout_ PEX_RUNDOWN_REF RunRef,
_In_ ULONG Count);
#endif /* (NTDDI_VERSION >= NTDDI_WINXPSP2) */
#if (NTDDI_VERSION >= NTDDI_WS03SP1)
_Must_inspect_result_
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
PEX_RUNDOWN_REF_CACHE_AWARE
NTAPI
ExAllocateCacheAwareRundownProtection(
__drv_strictTypeMatch(__drv_typeExpr) _In_ POOL_TYPE PoolType,
_In_ ULONG PoolTag);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
SIZE_T
NTAPI
ExSizeOfRundownProtectionCacheAware(VOID);
_IRQL_requires_max_(APC_LEVEL)
_Acquires_lock_(_Global_critical_region_)
NTKERNELAPI
PVOID
NTAPI
ExEnterCriticalRegionAndAcquireResourceShared(
_Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_shared_lock_(*_Curr_)
PERESOURCE Resource);
_IRQL_requires_max_(APC_LEVEL)
_Acquires_lock_(_Global_critical_region_)
NTKERNELAPI
PVOID
NTAPI
ExEnterCriticalRegionAndAcquireResourceExclusive(
_Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_exclusive_lock_(*_Curr_)
PERESOURCE Resource);
_IRQL_requires_max_(APC_LEVEL)
_Acquires_lock_(_Global_critical_region_)
NTKERNELAPI
PVOID
NTAPI
ExEnterCriticalRegionAndAcquireSharedWaitForExclusive(
_Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_lock_(*_Curr_)
PERESOURCE Resource);
_IRQL_requires_max_(DISPATCH_LEVEL)
_Releases_lock_(_Global_critical_region_)
NTKERNELAPI
VOID
FASTCALL
ExReleaseResourceAndLeaveCriticalRegion(
_Inout_ _Requires_lock_held_(*_Curr_) _Releases_lock_(*_Curr_)
PERESOURCE Resource);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExInitializeRundownProtectionCacheAware(
_Out_ PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware,
_In_ SIZE_T RunRefSize);
_IRQL_requires_max_(APC_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExFreeCacheAwareRundownProtection(
_Inout_ PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware);
_Must_inspect_result_
_Post_satisfies_(return == 0 || return == 1)
NTKERNELAPI
BOOLEAN
FASTCALL
ExAcquireRundownProtectionCacheAware(
_Inout_ PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware);
NTKERNELAPI
VOID
FASTCALL
ExReleaseRundownProtectionCacheAware(
_Inout_ PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware);
_Must_inspect_result_
_Post_satisfies_(return == 0 || return == 1)
NTKERNELAPI
BOOLEAN
FASTCALL
ExAcquireRundownProtectionCacheAwareEx(
_Inout_ PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware,
_In_ ULONG Count);
NTKERNELAPI
VOID
FASTCALL
ExReleaseRundownProtectionCacheAwareEx(
_Inout_ PEX_RUNDOWN_REF_CACHE_AWARE RunRef,
_In_ ULONG Count);
NTKERNELAPI
VOID
FASTCALL
ExWaitForRundownProtectionReleaseCacheAware(
IN OUT PEX_RUNDOWN_REF_CACHE_AWARE RunRef);
NTKERNELAPI
VOID
FASTCALL
ExReInitializeRundownProtectionCacheAware(
_Inout_ PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware);
NTKERNELAPI
VOID
FASTCALL
ExRundownCompletedCacheAware(
_Inout_ PEX_RUNDOWN_REF_CACHE_AWARE RunRefCacheAware);
#endif /* (NTDDI_VERSION >= NTDDI_WS03SP1) */
#if (NTDDI_VERSION >= NTDDI_VISTA)
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
NTSTATUS
NTAPI
ExInitializeLookasideListEx(
_Out_ PLOOKASIDE_LIST_EX Lookaside,
_In_opt_ PALLOCATE_FUNCTION_EX Allocate,
_In_opt_ PFREE_FUNCTION_EX Free,
_In_ POOL_TYPE PoolType,
_In_ ULONG Flags,
_In_ SIZE_T Size,
_In_ ULONG Tag,
_In_ USHORT Depth);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExDeleteLookasideListEx(
_Inout_ PLOOKASIDE_LIST_EX Lookaside);
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExFlushLookasideListEx(
_Inout_ PLOOKASIDE_LIST_EX Lookaside);
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:__WARNING_MEMORY_NOT_ACQUIRED)
#endif
__drv_allocatesMem(Mem)
_Must_inspect_result_
_IRQL_requires_max_(DISPATCH_LEVEL)
FORCEINLINE
PVOID
ExAllocateFromLookasideListEx(
_Inout_ PLOOKASIDE_LIST_EX Lookaside)
{
PVOID Entry;
Lookaside->L.TotalAllocates += 1;
#ifdef NONAMELESSUNION
Entry = InterlockedPopEntrySList(&Lookaside->L.u.ListHead);
if (Entry == NULL) {
Lookaside->L.u2.AllocateMisses += 1;
Entry = (Lookaside->L.u4.AllocateEx)(Lookaside->L.Type,
Lookaside->L.Size,
Lookaside->L.Tag,
Lookaside);
}
#else /* NONAMELESSUNION */
Entry = InterlockedPopEntrySList(&Lookaside->L.ListHead);
if (Entry == NULL) {
Lookaside->L.AllocateMisses += 1;
Entry = (Lookaside->L.AllocateEx)(Lookaside->L.Type,
Lookaside->L.Size,
Lookaside->L.Tag,
Lookaside);
}
#endif /* NONAMELESSUNION */
return Entry;
}
#ifdef _MSC_VER
#pragma warning(pop)
#endif
_IRQL_requires_max_(DISPATCH_LEVEL)
FORCEINLINE
VOID
ExFreeToLookasideListEx(
_Inout_ PLOOKASIDE_LIST_EX Lookaside,
_In_ __drv_freesMem(Entry) PVOID Entry)
{
Lookaside->L.TotalFrees += 1;
if (ExQueryDepthSList(&Lookaside->L.ListHead) >= Lookaside->L.Depth) {
Lookaside->L.FreeMisses += 1;
(Lookaside->L.FreeEx)(Entry, Lookaside);
} else {
InterlockedPushEntrySList(&Lookaside->L.ListHead, (PSLIST_ENTRY)Entry);
}
return;
}
#endif /* (NTDDI_VERSION >= NTDDI_VISTA) */
#if (NTDDI_VERSION >= NTDDI_WIN7)
_IRQL_requires_max_(DISPATCH_LEVEL)
NTKERNELAPI
VOID
NTAPI
ExSetResourceOwnerPointerEx(
_Inout_ PERESOURCE Resource,
_In_ PVOID OwnerPointer,
_In_ ULONG Flags);
#define FLAG_OWNER_POINTER_IS_THREAD 0x1
#endif /* (NTDDI_VERSION >= NTDDI_WIN7) */
__drv_allocatesMem(Mem)
_IRQL_requires_max_(DISPATCH_LEVEL)
_Ret_maybenull_
_Post_writable_byte_size_(Lookaside->L.Size)
static __inline
PVOID
ExAllocateFromNPagedLookasideList(
_Inout_ PNPAGED_LOOKASIDE_LIST Lookaside)
{
PVOID Entry;
Lookaside->L.TotalAllocates++;
#ifdef NONAMELESSUNION
#if defined(_WIN2K_COMPAT_SLIST_USAGE) && defined(_X86_)
Entry = ExInterlockedPopEntrySList(&Lookaside->L.u.ListHead,
&Lookaside->Lock__ObsoleteButDoNotDelete);
#else
Entry = InterlockedPopEntrySList(&Lookaside->L.u.ListHead);
#endif
if (Entry == NULL) {
Lookaside->L.u2.AllocateMisses++;
Entry = (Lookaside->L.u4.Allocate)(Lookaside->L.Type,
Lookaside->L.Size,
Lookaside->L.Tag);
}
#else /* NONAMELESSUNION */
#if defined(_WIN2K_COMPAT_SLIST_USAGE) && defined(_X86_)
Entry = ExInterlockedPopEntrySList(&Lookaside->L.ListHead,
&Lookaside->Lock__ObsoleteButDoNotDelete);
#else
Entry = InterlockedPopEntrySList(&Lookaside->L.ListHead);
#endif
if (Entry == NULL) {
Lookaside->L.AllocateMisses++;
Entry = (Lookaside->L.Allocate)(Lookaside->L.Type,
Lookaside->L.Size,
Lookaside->L.Tag);
}
#endif /* NONAMELESSUNION */
return Entry;
}
_IRQL_requires_max_(DISPATCH_LEVEL)
static __inline
VOID
ExFreeToNPagedLookasideList(
_Inout_ PNPAGED_LOOKASIDE_LIST Lookaside,
_In_ __drv_freesMem(Mem) PVOID Entry)
{
Lookaside->L.TotalFrees++;
#ifdef NONAMELESSUNION
if (ExQueryDepthSList(&Lookaside->L.u.ListHead) >= Lookaside->L.Depth) {
Lookaside->L.u3.FreeMisses++;
(Lookaside->L.u5.Free)(Entry);
} else {
#if defined(_WIN2K_COMPAT_SLIST_USAGE) && defined(_X86_)
ExInterlockedPushEntrySList(&Lookaside->L.u.ListHead,
(PSLIST_ENTRY)Entry,
&Lookaside->Lock__ObsoleteButDoNotDelete);
#else
InterlockedPushEntrySList(&Lookaside->L.u.ListHead, (PSLIST_ENTRY)Entry);
#endif
}
#else /* NONAMELESSUNION */
if (ExQueryDepthSList(&Lookaside->L.ListHead) >= Lookaside->L.Depth) {
Lookaside->L.FreeMisses++;
(Lookaside->L.Free)(Entry);
} else {
#if defined(_WIN2K_COMPAT_SLIST_USAGE) && defined(_X86_)
ExInterlockedPushEntrySList(&Lookaside->L.ListHead,
(PSLIST_ENTRY)Entry,
&Lookaside->Lock__ObsoleteButDoNotDelete);
#else
InterlockedPushEntrySList(&Lookaside->L.ListHead, (PSLIST_ENTRY)Entry);
#endif
}
#endif /* NONAMELESSUNION */
}
$endif (_WDMDDK_)
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