System.IO.Strategies.Net5CompatFileStreamStrategy Class Reference

Classes
class	CompletionSource
class	MemoryFileStreamCompletionSource

Public Member Functions
override Task	FlushAsync (CancellationToken cancellationToken)
override int	Read (byte[] buffer, int offset, int count)
override int	Read (Span< byte > buffer)
override Task< int >	ReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask< int >	ReadAsync (Memory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
override void	Write (byte[] buffer, int offset, int count)
override void	Write (ReadOnlySpan< byte > buffer)
override Task	WriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask	WriteAsync (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
override void	Flush ()
override int	ReadByte ()
override void	WriteByte (byte value)
override IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback callback, object state)
override IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback callback, object state)
override int	EndRead (IAsyncResult asyncResult)
override void	EndWrite (IAsyncResult asyncResult)
override async ValueTask	DisposeAsync ()
override void	SetLength (long value)
override long	Seek (long offset, SeekOrigin origin)
override Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
void	CopyTo (Stream destination)
virtual void	CopyTo (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination)
Task	CopyToAsync (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination, CancellationToken cancellationToken)
void	Dispose ()
virtual void	Close ()
Task	FlushAsync ()
virtual IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
virtual IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
Task	WriteAsync (byte[] buffer, int offset, int count)
object	GetLifetimeService ()
virtual object	InitializeLifetimeService ()

Static Public Member Functions
static Stream	Synchronized (Stream stream)

Static Public Attributes
static readonly Stream	Null = new NullStream()

Protected Member Functions
override void	Dispose (bool disposing)
SemaphoreSlim	EnsureAsyncActiveSemaphoreInitialized ()
virtual WaitHandle	CreateWaitHandle ()
virtual void	ObjectInvariant ()
MarshalByRefObject	MemberwiseClone (bool cloneIdentity)

Static Protected Member Functions
static void	ValidateBufferArguments (byte[] buffer, int offset, int count)
static void	ValidateCopyToArguments (Stream destination, int bufferSize)

Protected Attributes
SemaphoreSlim	_asyncActiveSemaphore

Package Functions
	Net5CompatFileStreamStrategy (SafeFileHandle handle, FileAccess access, int bufferSize, bool isAsync)
	Net5CompatFileStreamStrategy (string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options, long preallocationSize)
override void	DisposeInternal (bool disposing)
override void	Flush (bool flushToDisk)
override void	Lock (long position, long length)
override void	Unlock (long position, long length)
Task< int >	BeginReadInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)
Task	BeginWriteInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)

Properties
override bool	CanRead [get]
override bool	CanWrite [get]
override SafeFileHandle	SafeFileHandle [get]
override string	Name [get]
override bool	IsAsync [get]
override long	Position [get, set]
override bool	IsClosed [get]
bool	HasActiveBufferOperation [get]
override bool	CanSeek [get]
override long	Length [get]
IntPtr	Handle [get]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]

Private Member Functions
	~Net5CompatFileStreamStrategy ()
Task< int >	ReadAsyncTask (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
void	VerifyOSHandlePosition ()
void	PrepareForReading ()
long	SeekCore (SafeFileHandle fileHandle, long offset, SeekOrigin origin, bool closeInvalidHandle=false)
byte[]	GetBuffer ()
void	FlushInternalBuffer ()
void	FlushReadBuffer ()
void	PrepareForWriting ()
void	OnBufferAllocated ()
void	Init (FileMode mode, string originalPath, FileOptions options)
void	InitFromHandle (SafeFileHandle handle, FileAccess access, bool useAsyncIO)
void	InitFromHandleImpl (SafeFileHandle handle, bool useAsyncIO)
Task	FlushWriteAsync (CancellationToken cancellationToken)
void	FlushWriteBufferForWriteByte ()
void	FlushWriteBuffer (bool calledFromFinalizer=false)
void	SetLengthCore (long value)
int	ReadSpan (Span< byte > destination)
int	FillReadBufferForReadByte ()
unsafe int	ReadNative (Span< byte > buffer)
CompletionSource	CompareExchangeCurrentOverlappedOwner (CompletionSource newSource, CompletionSource existingSource)
void	WriteSpan (ReadOnlySpan< byte > source)
unsafe void	WriteCore (ReadOnlySpan< byte > source)
Task< int >	ReadAsyncInternal (Memory< byte > destination, CancellationToken cancellationToken, out int synchronousResult)
unsafe Task< int >	ReadNativeAsync (Memory< byte > destination, int numBufferedBytesRead, CancellationToken cancellationToken)
ValueTask	WriteAsyncInternal (ReadOnlyMemory< byte > source, CancellationToken cancellationToken)
unsafe Task	WriteAsyncInternalCore (ReadOnlyMemory< byte > source, CancellationToken cancellationToken)
unsafe int	ReadFileNative (SafeFileHandle handle, Span< byte > bytes, NativeOverlapped *overlapped, out int errorCode)
unsafe int	WriteFileNative (SafeFileHandle handle, ReadOnlySpan< byte > buffer, NativeOverlapped *overlapped, out int errorCode)
async Task	AsyncModeCopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
bool	HasOverriddenBeginEndRead ()
bool	HasOverriddenBeginEndWrite ()
int	GetCopyBufferSize ()
Task< int >	BeginEndReadAsync (byte[] buffer, int offset, int count)
void	FinishTrackingAsyncOperation (ReadWriteTask task)
Task	BeginEndWriteAsync (byte[] buffer, int offset, int count)

Static Private Member Functions
static void	RunReadWriteTaskWhenReady (Task asyncWaiter, ReadWriteTask readWriteTask)
static void	RunReadWriteTask (ReadWriteTask readWriteTask)
static async Task	FinishWriteAsync (Task writeTask, byte[] localBuffer)

Private Attributes
byte[]	_buffer
readonly int	_bufferLength
readonly SafeFileHandle	_fileHandle
readonly FileAccess	_access
int	_readPos
int	_readLength
int	_writePos
readonly bool	_useAsyncIO
Task< int >	_lastSynchronouslyCompletedTask
long	_filePosition
bool	_exposedHandle
long	_appendStart
Task	_activeBufferOperation = Task.CompletedTask
PreAllocatedOverlapped	_preallocatedOverlapped
CompletionSource	_currentOverlappedOwner

Detailed Description

Definition at line 9 of file Net5CompatFileStreamStrategy.cs.

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

• source/System.Private.CoreLib/System.IO.Strategies/Net5CompatFileStreamStrategy.cs