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include: Add ExInitializeFastMutex() definition. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2019-01-29 22:01:44 -06:00 committed by Alexandre Julliard
parent 5b465c5096
commit ad1f270430
1 changed files with 11 additions and 1 deletions
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12
include/ddk/wdm.h
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@ -168,12 +168,14 @@ typedef struct _OBJECT_TYPE *POBJECT_TYPE;
typedef struct _OBJECT_HANDLE_INFORMATION *POBJECT_HANDLE_INFORMATION; typedef struct _OBJECT_HANDLE_INFORMATION *POBJECT_HANDLE_INFORMATION;
typedef struct _ZONE_HEADER *PZONE_HEADER; typedef struct _ZONE_HEADER *PZONE_HEADER;
#define FM_LOCK_BIT 0x1
typedef struct _FAST_MUTEX typedef struct _FAST_MUTEX
{ {
LONG Count; LONG Count;
PKTHREAD Owner; PKTHREAD Owner;
ULONG Contention; ULONG Contention;
KEVENT Gate; KEVENT Event;
ULONG OldIrql; ULONG OldIrql;
} FAST_MUTEX, *PFAST_MUTEX; } FAST_MUTEX, *PFAST_MUTEX;
@ -1593,4 +1595,12 @@ NTSTATUS WINAPI ZwWaitForMultipleObjects(ULONG,const HANDLE*,BOOLEAN,BOOLEAN,co
NTSTATUS WINAPI ZwWriteFile(HANDLE,HANDLE,PIO_APC_ROUTINE,PVOID,PIO_STATUS_BLOCK,const void*,ULONG,PLARGE_INTEGER,PULONG); NTSTATUS WINAPI ZwWriteFile(HANDLE,HANDLE,PIO_APC_ROUTINE,PVOID,PIO_STATUS_BLOCK,const void*,ULONG,PLARGE_INTEGER,PULONG);
NTSTATUS WINAPI ZwYieldExecution(void); NTSTATUS WINAPI ZwYieldExecution(void);
static inline void ExInitializeFastMutex( FAST_MUTEX *mutex )
{
mutex->Count = FM_LOCK_BIT;
mutex->Owner = NULL;
mutex->Contention = 0;
KeInitializeEvent( &mutex->Event, SynchronizationEvent, FALSE );
}
#endif #endif