System.IO.UnmanagedMemoryStreamWrapper Class Reference

Public Member Functions
override void	Flush ()
override byte[]	GetBuffer ()
override bool	TryGetBuffer (out ArraySegment< byte > buffer)
override int	Read (byte[] buffer, int offset, int count)
override int	Read (Span< byte > buffer)
override int	ReadByte ()
override long	Seek (long offset, SeekOrigin loc)
override byte[]	ToArray ()
override void	Write (byte[] buffer, int offset, int count)
override void	Write (ReadOnlySpan< byte > buffer)
override void	WriteByte (byte value)
override void	WriteTo (Stream stream)
override void	SetLength (long value)
override Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
override Task	FlushAsync (CancellationToken cancellationToken)
override Task< int >	ReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask< int >	ReadAsync (Memory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
override Task	WriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask	WriteAsync (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
void	Dispose ()
Task	FlushAsync ()
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
override void	CopyTo (Stream destination, int bufferSize)
void	CopyTo (Stream destination)
Task	CopyToAsync (Stream destination)
Task	CopyToAsync (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination, CancellationToken cancellationToken)
Task	WriteAsync (byte[] buffer, int offset, int count)
virtual void	Close ()
virtual ValueTask	DisposeAsync ()
virtual IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
virtual int	EndRead (IAsyncResult asyncResult)
virtual IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
virtual void	EndWrite (IAsyncResult asyncResult)
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
	UnmanagedMemoryStreamWrapper (UnmanagedMemoryStream stream)
byte[]	InternalGetBuffer ()
int	InternalGetPosition ()
ReadOnlySpan< byte >	InternalReadSpan (int count)
int	InternalEmulateRead (int count)
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	CanSeek [get]
override bool	CanWrite [get]
override int	Capacity [get, set]
override long	Length [get]
override long	Position [get, set]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]

Private Member Functions
void	EnsureNotClosed ()
void	EnsureWriteable ()
bool	EnsureCapacity (int value)
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
readonly UnmanagedMemoryStream	_unmanagedStream
byte[]	_buffer
readonly int	_origin
int	_position
int	_length
int	_capacity
bool	_expandable
bool	_writable
readonly bool	_exposable
bool	_isOpen
Task< int >	_lastReadTask

Detailed Description

Definition at line 6 of file UnmanagedMemoryStreamWrapper.cs.

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

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