System.IO.UnmanagedMemoryStream Class Reference

Public Member Functions
	UnmanagedMemoryStream (SafeBuffer buffer, long offset, long length)
	UnmanagedMemoryStream (SafeBuffer buffer, long offset, long length, FileAccess access)
unsafe	UnmanagedMemoryStream (byte *pointer, long length)
unsafe	UnmanagedMemoryStream (byte *pointer, long length, long capacity, FileAccess access)
override void	Flush ()
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))
unsafe override int	ReadByte ()
override long	Seek (long offset, SeekOrigin loc)
unsafe override void	SetLength (long value)
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))
unsafe override void	WriteByte (byte value)
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)
virtual Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
void	Dispose ()
virtual void	Close ()
virtual ValueTask	DisposeAsync ()
Task	FlushAsync ()
virtual IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
virtual int	EndRead (IAsyncResult asyncResult)
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
virtual IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
virtual void	EndWrite (IAsyncResult asyncResult)
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
	UnmanagedMemoryStream ()
unsafe void	Initialize (SafeBuffer buffer, long offset, long length, FileAccess access)
unsafe void	Initialize (byte *pointer, long length, long capacity, FileAccess access)
unsafe 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
unsafe int	ReadCore (Span< byte > buffer)
unsafe void	WriteCore (ReadOnlySpan< byte > buffer)
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 long	Length [get]
long	Capacity [get]
override long	Position [get, set]
unsafe byte *	PositionPointer [get, set]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]

Private Member Functions
void	EnsureNotClosed ()
void	EnsureReadable ()
void	EnsureWriteable ()
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
SafeBuffer	_buffer
unsafe byte *	_mem
long	_length
long	_capacity
long	_position
long	_offset
FileAccess	_access
bool	_isOpen
Task< int >	_lastReadTask

Detailed Description

Definition at line 7 of file UnmanagedMemoryStream.cs.

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

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