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sys: consolidate Timeout functionality (ioq.c not included)

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This commit is contained in:
Bill Zissimopoulos
2016-02-26 14:02:36 -08:00
parent f29f415d0c
commit 46fa75a74d
4 changed files with 54 additions and 24 deletions
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41
src/sys/driver.h
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@ -326,6 +326,39 @@ ULONG FspHashMixPointer(PVOID Pointer)
#endif
}
/* timeouts */
#define FspTimeoutInfinity32 ((UINT32)-1L)
#define FspTimeoutInfinity64 ((UINT64)-1LL)
static inline
UINT64 FspTimeoutFromMillis(UINT32 Millis)
{
/* if Millis is 0 or -1 then sign-extend else 10000ULL * Millis */
return 1 >= Millis + 1 ? (INT64)(INT32)Millis : 10000ULL * Millis;
}
static inline
UINT64 FspExpirationTimeFromMillis(UINT32 Millis)
{
/* if Millis is 0 or -1 then sign-extend else KeQueryInterruptTime() + 10000ULL * Millis */
return 1 >= Millis + 1 ? (INT64)(INT32)Millis : KeQueryInterruptTime() + 10000ULL * Millis;
}
static inline
UINT64 FspExpirationTimeFromTimeout(UINT64 Timeout)
{
/* if Timeout is 0 or -1 then Timeout else KeQueryInterruptTime() + Timeout */
return 1 >= Timeout + 1 ? Timeout : KeQueryInterruptTime() + Timeout;
}
static inline
BOOLEAN FspExpirationTimeValid(UINT64 ExpirationTime)
{
/* if ExpirationTime is 0 or -1 then ExpirationTime else KeQueryInterruptTime() < ExpirationTime */
return 1 >= ExpirationTime + 1 ? (0 != ExpirationTime) : (KeQueryInterruptTime() < ExpirationTime);
}
static inline
BOOLEAN FspExpirationTimeValid2(UINT64 ExpirationTime, UINT64 CurrentTime)
{
return CurrentTime < ExpirationTime;
}
/* utility */
PVOID FspAllocatePoolMustSucceed(POOL_TYPE PoolType, SIZE_T Size, ULONG Tag);
PVOID FspAllocateIrpMustSucceed(CCHAR StackSize);
@ -704,9 +737,9 @@ VOID FspFileNodeDereference(FSP_FILE_NODE *FileNode)
FspFileNodeDelete(FileNode);
}
VOID FspFileNodeAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags);
BOOLEAN FspFileNodeTryAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags);
BOOLEAN FspFileNodeTryAcquireSharedF(FSP_FILE_NODE *FileNode, ULONG Flags, BOOLEAN Wait);
VOID FspFileNodeAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags);
BOOLEAN FspFileNodeTryAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags);
BOOLEAN FspFileNodeTryAcquireExclusiveF(FSP_FILE_NODE *FileNode, ULONG Flags, BOOLEAN Wait);
VOID FspFileNodeSetOwnerF(FSP_FILE_NODE *FileNode, ULONG Flags, PVOID Owner);
VOID FspFileNodeReleaseF(FSP_FILE_NODE *FileNode, ULONG Flags);
VOID FspFileNodeReleaseOwnerF(FSP_FILE_NODE *FileNode, ULONG Flags, PVOID Owner);
@ -728,9 +761,9 @@ BOOLEAN FspFileNodeTrySetSecurity(FSP_FILE_NODE *FileNode, PCVOID Buffer, ULONG
NTSTATUS FspFileDescCreate(FSP_FILE_DESC **PFileDesc);
VOID FspFileDescDelete(FSP_FILE_DESC *FileDesc);
#define FspFileNodeAcquireShared(N,F) FspFileNodeAcquireSharedF(N, FspFileNodeAcquire ## F)
#define FspFileNodeTryAcquireShared(N,F) FspFileNodeTryAcquireSharedF(N, FspFileNodeAcquire ## F)
#define FspFileNodeTryAcquireShared(N,F) FspFileNodeTryAcquireSharedF(N, FspFileNodeAcquire ## F, FALSE)
#define FspFileNodeAcquireExclusive(N,F) FspFileNodeAcquireExclusiveF(N, FspFileNodeAcquire ## F)
#define FspFileNodeTryAcquireExclusive(N,F) FspFileNodeTryAcquireExclusiveF(N, FspFileNodeAcquire ## F)
#define FspFileNodeTryAcquireExclusive(N,F) FspFileNodeTryAcquireExclusiveF(N, FspFileNodeAcquire ## F, FALSE)
#define FspFileNodeSetOwner(N,F,P) FspFileNodeSetOwnerF(N, FspFileNodeAcquire ## F, P)
#define FspFileNodeRelease(N,F) FspFileNodeReleaseF(N, FspFileNodeAcquire ## F)
#define FspFileNodeReleaseOwner(N,F,P) FspFileNodeReleaseOwnerF(N, FspFileNodeAcquire ## F, P)