mirror of
https://github.com/reactos/reactos.git
synced 2024-11-04 22:00:55 +00:00
114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*
|
|
* PROJECT: ReactOS Kernel
|
|
* LICENSE: BSD - See COPYING.ARM in the top level directory
|
|
* FILE: ntoskrnl/ex/fastinterlck.c
|
|
* PURPOSE: Portable Ex*Interlocked and REGISTER routines for amd64
|
|
* PROGRAMMERS: ReactOS Portable Systems Group
|
|
* Timo Kreuzer
|
|
*/
|
|
|
|
/* INCLUDES *******************************************************************/
|
|
|
|
#include <ntoskrnl.h>
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
#undef ExInterlockedAddLargeInteger
|
|
#undef ExInterlockedAddUlong
|
|
#undef ExInterlockedExtendZone
|
|
#undef ExInterlockedInsertHeadList
|
|
#undef ExInterlockedInsertTailList
|
|
#undef ExInterlockedPopEntryList
|
|
#undef ExInterlockedPushEntryList
|
|
#undef ExInterlockedRemoveHeadList
|
|
#undef ExpInterlockedFlushSList
|
|
#undef ExpInterlockedPopEntrySList
|
|
#undef ExpInterlockedPushEntrySList
|
|
|
|
/* FUNCTIONS ******************************************************************/
|
|
|
|
LARGE_INTEGER
|
|
ExInterlockedAddLargeInteger(IN PLARGE_INTEGER Addend,
|
|
IN LARGE_INTEGER Increment,
|
|
IN PKSPIN_LOCK Lock)
|
|
{
|
|
LARGE_INTEGER Int;
|
|
Int.QuadPart = _InterlockedExchangeAdd64(&Addend->QuadPart,
|
|
Increment.QuadPart);
|
|
return Int;
|
|
}
|
|
|
|
ULONG
|
|
ExInterlockedAddUlong(IN PULONG Addend,
|
|
IN ULONG Increment,
|
|
PKSPIN_LOCK Lock)
|
|
{
|
|
return (ULONG)_InterlockedExchangeAdd((PLONG)Addend, Increment);
|
|
}
|
|
|
|
PLIST_ENTRY
|
|
ExInterlockedInsertHeadList(IN PLIST_ENTRY ListHead,
|
|
IN PLIST_ENTRY ListEntry,
|
|
IN PKSPIN_LOCK Lock)
|
|
{
|
|
KIRQL OldIrql;
|
|
PLIST_ENTRY OldHead = NULL;
|
|
KeAcquireSpinLock(Lock, &OldIrql);
|
|
if (!IsListEmpty(ListHead)) OldHead = ListEntry->Flink;
|
|
InsertHeadList(ListHead, ListEntry);
|
|
KeReleaseSpinLock(Lock, OldIrql);
|
|
return OldHead;
|
|
}
|
|
|
|
PLIST_ENTRY
|
|
ExInterlockedInsertTailList(IN PLIST_ENTRY ListHead,
|
|
IN PLIST_ENTRY ListEntry,
|
|
IN PKSPIN_LOCK Lock)
|
|
{
|
|
KIRQL OldIrql;
|
|
PLIST_ENTRY OldHead = NULL;
|
|
KeAcquireSpinLock(Lock, &OldIrql);
|
|
if (!IsListEmpty(ListHead)) OldHead = ListEntry->Blink;
|
|
InsertTailList(ListHead, ListEntry);
|
|
KeReleaseSpinLock(Lock, OldIrql);
|
|
return OldHead;
|
|
}
|
|
|
|
PSINGLE_LIST_ENTRY
|
|
ExInterlockedPopEntryList(IN PSINGLE_LIST_ENTRY ListHead,
|
|
IN PKSPIN_LOCK Lock)
|
|
{
|
|
KIRQL OldIrql;
|
|
PSINGLE_LIST_ENTRY FirstEntry;
|
|
KeAcquireSpinLock(Lock, &OldIrql);
|
|
FirstEntry = PopEntryList(ListHead);
|
|
KeReleaseSpinLock(Lock, OldIrql);
|
|
return FirstEntry;
|
|
}
|
|
|
|
PSINGLE_LIST_ENTRY
|
|
ExInterlockedPushEntryList(IN PSINGLE_LIST_ENTRY ListHead,
|
|
IN PSINGLE_LIST_ENTRY ListEntry,
|
|
IN PKSPIN_LOCK Lock)
|
|
{
|
|
KIRQL OldIrql;
|
|
PSINGLE_LIST_ENTRY OldHead = NULL;
|
|
KeAcquireSpinLock(Lock, &OldIrql);
|
|
OldHead = ListHead->Next;
|
|
PushEntryList(ListHead, ListEntry);
|
|
KeReleaseSpinLock(Lock, OldIrql);
|
|
return OldHead;
|
|
}
|
|
|
|
PLIST_ENTRY
|
|
ExInterlockedRemoveHeadList(IN PLIST_ENTRY ListHead,
|
|
IN PKSPIN_LOCK Lock)
|
|
{
|
|
KIRQL OldIrql;
|
|
PLIST_ENTRY OldHead = NULL;
|
|
KeAcquireSpinLock(Lock, &OldIrql);
|
|
if (!IsListEmpty(ListHead)) OldHead = RemoveHeadList(ListHead);
|
|
KeReleaseSpinLock(Lock, OldIrql);
|
|
return OldHead;
|
|
}
|
|
|