System.IO.RandomAccess Class Reference

Classes
class	CallbackResetEvent
interface	IMemoryHandler
struct	MemoryHandler
struct	ReadOnlyMemoryHandler

Static Public Member Functions
static long	GetLength (SafeFileHandle handle)
static int	Read (SafeFileHandle handle, Span< byte > buffer, long fileOffset)
static long	Read (SafeFileHandle handle, IReadOnlyList< Memory< byte > > buffers, long fileOffset)
static ValueTask< int >	ReadAsync (SafeFileHandle handle, Memory< byte > buffer, long fileOffset, CancellationToken cancellationToken=default(CancellationToken))
static ValueTask< long >	ReadAsync (SafeFileHandle handle, IReadOnlyList< Memory< byte > > buffers, long fileOffset, CancellationToken cancellationToken=default(CancellationToken))
static void	Write (SafeFileHandle handle, ReadOnlySpan< byte > buffer, long fileOffset)
static void	Write (SafeFileHandle handle, IReadOnlyList< ReadOnlyMemory< byte > > buffers, long fileOffset)
static ValueTask	WriteAsync (SafeFileHandle handle, ReadOnlyMemory< byte > buffer, long fileOffset, CancellationToken cancellationToken=default(CancellationToken))
static ValueTask	WriteAsync (SafeFileHandle handle, IReadOnlyList< ReadOnlyMemory< byte > > buffers, long fileOffset, CancellationToken cancellationToken=default(CancellationToken))

Static Package Functions
static unsafe long	GetFileLength (SafeFileHandle handle)
static unsafe int	ReadAtOffset (SafeFileHandle handle, Span< byte > buffer, long fileOffset)
static unsafe void	WriteAtOffset (SafeFileHandle handle, ReadOnlySpan< byte > buffer, long fileOffset)
static ValueTask< int >	ReadAtOffsetAsync (SafeFileHandle handle, Memory< byte > buffer, long fileOffset, CancellationToken cancellationToken, OSFileStreamStrategy strategy=null)
static ValueTask	WriteAtOffsetAsync (SafeFileHandle handle, ReadOnlyMemory< byte > buffer, long fileOffset, CancellationToken cancellationToken, OSFileStreamStrategy strategy=null)
static long	ReadScatterAtOffset (SafeFileHandle handle, IReadOnlyList< Memory< byte > > buffers, long fileOffset)
static void	WriteGatherAtOffset (SafeFileHandle handle, IReadOnlyList< ReadOnlyMemory< byte > > buffers, long fileOffset)

Properties
static Memory< byte > long CancellationToken OSFileStreamStrategy	strategy
static ReadOnlyMemory< byte > long CancellationToken OSFileStreamStrategy	strategy

Static Private Member Functions
static void	ValidateInput (SafeFileHandle handle, long fileOffset)
static void	ValidateBuffers< T > (IReadOnlyList< T > buffers)
static ValueTask< int >	ScheduleSyncReadAtOffsetAsync (SafeFileHandle handle, Memory< byte > buffer, long fileOffset, CancellationToken cancellationToken, OSFileStreamStrategy strategy)
static ValueTask< long >	ScheduleSyncReadScatterAtOffsetAsync (SafeFileHandle handle, IReadOnlyList< Memory< byte > > buffers, long fileOffset, CancellationToken cancellationToken)
static ValueTask	ScheduleSyncWriteAtOffsetAsync (SafeFileHandle handle, ReadOnlyMemory< byte > buffer, long fileOffset, CancellationToken cancellationToken, OSFileStreamStrategy strategy)
static ValueTask	ScheduleSyncWriteGatherAtOffsetAsync (SafeFileHandle handle, IReadOnlyList< ReadOnlyMemory< byte > > buffers, long fileOffset, CancellationToken cancellationToken)
static unsafe int	ReadSyncUsingAsyncHandle (SafeFileHandle handle, Span< byte > buffer, long fileOffset)
static unsafe void	WriteSyncUsingAsyncHandle (SafeFileHandle handle, ReadOnlySpan< byte > buffer, long fileOffset)
static	unsafe (SafeFileHandle.OverlappedValueTaskSource vts, int errorCode) QueueAsyncReadFile(SafeFileHandle handle
static	unsafe (SafeFileHandle.OverlappedValueTaskSource vts, int errorCode) QueueAsyncWriteFile(SafeFileHandle handle
static bool	CanUseScatterGatherWindowsAPIs (SafeFileHandle handle)
static unsafe bool	TryPrepareScatterGatherBuffers< T, THandler > (IReadOnlyList< T > buffers, THandler handler, [NotNullWhen(true)] out MemoryHandle[] handlesToDispose, out IntPtr segmentsPtr, out int totalBytes)
static unsafe void	CleanupScatterGatherBuffers (MemoryHandle[] handlesToDispose, IntPtr segmentsPtr)
static ValueTask< long >	ReadScatterAtOffsetAsync (SafeFileHandle handle, IReadOnlyList< Memory< byte > > buffers, long fileOffset, CancellationToken cancellationToken)
static async ValueTask< long >	ReadScatterAtOffsetSingleSyscallAsync (SafeFileHandle handle, MemoryHandle[] handlesToDispose, IntPtr segmentsPtr, long fileOffset, int totalBytes, CancellationToken cancellationToken)
static unsafe ValueTask< int >	ReadFileScatterAsync (SafeFileHandle handle, IntPtr segmentsPtr, int bytesToRead, long fileOffset, CancellationToken cancellationToken)
static async ValueTask< long >	ReadScatterAtOffsetMultipleSyscallsAsync (SafeFileHandle handle, IReadOnlyList< Memory< byte > > buffers, long fileOffset, CancellationToken cancellationToken)
static ValueTask	WriteGatherAtOffsetAsync (SafeFileHandle handle, IReadOnlyList< ReadOnlyMemory< byte > > buffers, long fileOffset, CancellationToken cancellationToken)
static async ValueTask	WriteGatherAtOffsetSingleSyscallAsync (SafeFileHandle handle, MemoryHandle[] handlesToDispose, IntPtr segmentsPtr, long fileOffset, int totalBytes, CancellationToken cancellationToken)
static unsafe ValueTask	WriteFileGatherAsync (SafeFileHandle handle, IntPtr segmentsPtr, int bytesToWrite, long fileOffset, CancellationToken cancellationToken)
static async ValueTask	WriteGatherAtOffsetMultipleSyscallsAsync (SafeFileHandle handle, IReadOnlyList< ReadOnlyMemory< byte > > buffers, long fileOffset, CancellationToken cancellationToken)
static unsafe NativeOverlapped *	GetNativeOverlappedForAsyncHandle (ThreadPoolBoundHandle threadPoolBinding, long fileOffset, CallbackResetEvent resetEvent)
static NativeOverlapped	GetNativeOverlappedForSyncHandle (SafeFileHandle handle, long fileOffset)
static unsafe IOCompletionCallback	AllocateCallback ()

Private Attributes
static Memory< byte >	buffer
static Memory< byte > long	fileOffset
static Memory< byte > long CancellationToken	cancellationToken
static ReadOnlyMemory< byte >	buffer
static ReadOnlyMemory< byte > long	fileOffset
static ReadOnlyMemory< byte > long CancellationToken	cancellationToken

Static Private Attributes
static readonly IOCompletionCallback	s_callback = AllocateCallback()
static readonly int	s_cachedPageSize = Environment.SystemPageSize

Detailed Description

Definition at line 13 of file RandomAccess.cs.

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The documentation for this class was generated from the following file:

• source/System.Private.CoreLib/System.IO/RandomAccess.cs