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68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
#ifndef _RXFCBTABLE_
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#define _RXFCBTABLE_
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typedef struct _RX_FCB_TABLE_ENTRY {
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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ULONG HashValue;
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UNICODE_STRING Path;
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LIST_ENTRY HashLinks;
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LONG Lookups;
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} RX_FCB_TABLE_ENTRY, *PRX_FCB_TABLE_ENTRY;
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#define RX_FCB_TABLE_NUMBER_OF_HASH_BUCKETS 32
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typedef struct _RX_FCB_TABLE
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{
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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volatile ULONG Version;
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BOOLEAN CaseInsensitiveMatch;
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USHORT NumberOfBuckets;
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volatile LONG Lookups;
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volatile LONG FailedLookups;
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volatile LONG Compares;
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ERESOURCE TableLock;
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PRX_FCB_TABLE_ENTRY TableEntryForNull;
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LIST_ENTRY HashBuckets[RX_FCB_TABLE_NUMBER_OF_HASH_BUCKETS];
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} RX_FCB_TABLE, *PRX_FCB_TABLE;
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VOID
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RxInitializeFcbTable(
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_Inout_ PRX_FCB_TABLE FcbTable,
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_In_ BOOLEAN CaseInsensitiveMatch);
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VOID
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RxFinalizeFcbTable(
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_Inout_ PRX_FCB_TABLE FcbTable);
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PFCB
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RxFcbTableLookupFcb(
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_In_ PRX_FCB_TABLE FcbTable,
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_In_ PUNICODE_STRING Path);
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NTSTATUS
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RxFcbTableInsertFcb(
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_Inout_ PRX_FCB_TABLE FcbTable,
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_Inout_ PFCB Fcb);
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NTSTATUS
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RxFcbTableRemoveFcb(
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_Inout_ PRX_FCB_TABLE FcbTable,
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_Inout_ PFCB Fcb);
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#define RxAcquireFcbTableLockShared(T, W) ExAcquireResourceSharedLite(&(T)->TableLock, W)
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#define RxAcquireFcbTableLockExclusive(T, W) ExAcquireResourceExclusiveLite(&(T)->TableLock, W)
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#define RxReleaseFcbTableLock(T) ExReleaseResourceLite(&(T)->TableLock)
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#define RxIsFcbTableLockExclusive(T) ExIsResourceAcquiredExclusiveLite(&(T)->TableLock)
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#define RxIsFcbTableLockAcquired(T) (ExIsResourceAcquiredSharedLite(&(T)->TableLock) || \
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ExIsResourceAcquiredExclusiveLite(&(T)->TableLock))
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#ifdef __REACTOS__
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#define FCB_HASH_BUCKET(T, H) &(T)->HashBuckets[H % (T)->NumberOfBuckets]
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#endif
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#endif
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