PollableOutputStream

PollableOutputStream

Object Hierarchy:

Description:

[ CCode ( type_cname = "GPollableOutputStreamInterface" , type_id = "g_pollable_output_stream_get_type ()" ) ]
[ Version ( since = "2.28" ) ]
public interface PollableOutputStream : OutputStream

`GPollableOutputStream` is implemented by [class@Gio.

OutputStream]s that can be polled for readiness to write. This can be used when interfacing with a non-GIO API that expects UNIX-file-descriptor-style asynchronous I/O rather than GIO-style.

Some classes may implement `GPollableOutputStream` but have only certain instances of that class be pollable. If [ method@Gio.PollableOutputStream.can_poll] returns false, then the behavior of other `GPollableOutputStream` methods is undefined.

All known implementing classes:

ConverterOutputStream

MemoryOutputStream

Namespace: GLib

Package: gio-2.0

Content:

Methods:

public abstract bool can_poll ()
Checks if this is actually pollable.
public abstract PollableSource create_source (Cancellable? cancellable = null)
Creates a SocketSource that triggers when this can be written, or cancellable is triggered or an error occurs.
public abstract bool is_writable ()
Checks if this can be written.
public ssize_t write_nonblocking (uint8[] buffer, Cancellable? cancellable = null) throws Error
Attempts to write up to buffer.length bytes from buffer to this, as with write.
public abstract ssize_t write_nonblocking_fn (uint8[]? buffer) throws Error
public PollableReturn writev_nonblocking (OutputVector[] vectors, out size_t bytes_written, Cancellable? cancellable = null) throws Error
Attempts to write the bytes contained in the vectors.length vectors to this, as with writev.
public abstract PollableReturn writev_nonblocking_fn (OutputVector[] vectors, out size_t bytes_written) throws Error

Inherited Members:

All known members inherited from class GLib.OutputStream

All known members inherited from class GLib.Object