mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-11-10 19:36:18 +01:00
99 lines
3.6 KiB
C
99 lines
3.6 KiB
C
|
/* GIO - GLib Input, Output and Streaming Library
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010 Red Hat, Inc.
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General
|
||
|
|
* Public License along with this library; if not, write to the
|
||
|
|
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||
|
|
* Boston, MA 02111-1307, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __G_POLLABLE_OUTPUT_STREAM_H__
|
||
|
|
#define __G_POLLABLE_OUTPUT_STREAM_H__
|
||
|
|
|
||
|
|
#include <gio/gio.h>
|
||
|
|
|
||
|
|
G_BEGIN_DECLS
|
||
|
|
|
||
|
|
#define G_TYPE_POLLABLE_OUTPUT_STREAM (g_pollable_output_stream_get_type ())
|
||
|
|
#define G_POLLABLE_OUTPUT_STREAM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_POLLABLE_OUTPUT_STREAM, GPollableOutputStream))
|
||
|
|
#define G_IS_POLLABLE_OUTPUT_STREAM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_POLLABLE_OUTPUT_STREAM))
|
||
|
|
#define G_POLLABLE_OUTPUT_STREAM_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_POLLABLE_OUTPUT_STREAM, GPollableOutputStreamInterface))
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GPollableOutputStream:
|
||
|
|
*
|
||
|
|
* An interface for a #GOutputStream that can be polled for readability.
|
||
|
|
*
|
||
|
|
* Since: 2.28
|
||
|
|
*/
|
||
|
|
typedef struct _GPollableOutputStreamInterface GPollableOutputStreamInterface;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GPollableOutputStreamInterface:
|
||
|
|
* @g_iface: The parent interface.
|
||
|
|
* @can_poll: Checks if the #GPollableOutputStream instance is actually pollable
|
||
|
|
* @is_writable: Checks if the stream is writable
|
||
|
|
* @create_source: Creates a #GSource to poll the stream
|
||
|
|
* @write_nonblocking: Does a non-blocking write or returns
|
||
|
|
* %G_IO_ERROR_WOULD_BLOCK
|
||
|
|
*
|
||
|
|
* The interface for pollable output streams.
|
||
|
|
*
|
||
|
|
* The default implementation of @can_poll always returns %TRUE.
|
||
|
|
*
|
||
|
|
* The default implementation of @write_nonblocking calls
|
||
|
|
* g_pollable_output_stream_is_writable(), and then calls
|
||
|
|
* g_output_stream_write() if it returns %TRUE. This means you only
|
||
|
|
* need to override it if it is possible that your @is_writable
|
||
|
|
* implementation may return %TRUE when the stream is not actually
|
||
|
|
* writable.
|
||
|
|
*
|
||
|
|
* Since: 2.28
|
||
|
|
*/
|
||
|
|
struct _GPollableOutputStreamInterface
|
||
|
|
{
|
||
|
|
GTypeInterface g_iface;
|
||
|
|
|
||
|
|
/* Virtual Table */
|
||
|
|
gboolean (*can_poll) (GPollableOutputStream *stream);
|
||
|
|
|
||
|
|
gboolean (*is_writable) (GPollableOutputStream *stream);
|
||
|
|
GSource * (*create_source) (GPollableOutputStream *stream,
|
||
|
|
GCancellable *cancellable);
|
||
|
|
gssize (*write_nonblocking) (GPollableOutputStream *stream,
|
||
|
|
const void *buffer,
|
||
|
|
gsize size,
|
||
|
|
GError **error);
|
||
|
|
};
|
||
|
|
|
||
|
|
GType g_pollable_output_stream_get_type (void) G_GNUC_CONST;
|
||
|
|
|
||
|
|
gboolean g_pollable_output_stream_can_poll (GPollableOutputStream *stream);
|
||
|
|
|
||
|
|
gboolean g_pollable_output_stream_is_writable (GPollableOutputStream *stream);
|
||
|
|
GSource *g_pollable_output_stream_create_source (GPollableOutputStream *stream,
|
||
|
|
GCancellable *cancellable);
|
||
|
|
|
||
|
|
gssize g_pollable_output_stream_write_nonblocking (GPollableOutputStream *stream,
|
||
|
|
const void *buffer,
|
||
|
|
gsize size,
|
||
|
|
GCancellable *cancellable,
|
||
|
|
GError **error);
|
||
|
|
|
||
|
|
G_END_DECLS
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __G_POLLABLE_OUTPUT_STREAM_H__ */
|
||
|
|
|