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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 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 2.1 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, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#ifndef __G_CANCELLABLE_H__
#define __G_CANCELLABLE_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/giotypes.h>
G_BEGIN_DECLS
#define G_TYPE_CANCELLABLE (g_cancellable_get_type ())
#define G_CANCELLABLE(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_CANCELLABLE, GCancellable))
#define G_CANCELLABLE_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_CANCELLABLE, GCancellableClass))
#define G_IS_CANCELLABLE(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_CANCELLABLE))
#define G_IS_CANCELLABLE_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_CANCELLABLE))
#define G_CANCELLABLE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_CANCELLABLE, GCancellableClass))
/**
* GCancellable:
*
* Allows actions to be cancelled.
*/
typedef struct _GCancellableClass GCancellableClass;
typedef struct _GCancellablePrivate GCancellablePrivate;
struct _GCancellable
{
GObject parent_instance;
/*< private >*/
GCancellablePrivate *priv;
};
struct _GCancellableClass
{
GObjectClass parent_class;
void (* cancelled) (GCancellable *cancellable);
/*< private >*/
/* Padding for future expansion */
void (*_g_reserved1) (void);
void (*_g_reserved2) (void);
void (*_g_reserved3) (void);
void (*_g_reserved4) (void);
void (*_g_reserved5) (void);
};
GLIB_AVAILABLE_IN_ALL
GType g_cancellable_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_ALL
GCancellable *g_cancellable_new (void);
/* These are only safe to call inside a cancellable op */
GLIB_AVAILABLE_IN_ALL
gboolean g_cancellable_is_cancelled (GCancellable *cancellable);
GLIB_AVAILABLE_IN_ALL
gboolean g_cancellable_set_error_if_cancelled (GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_ALL
int g_cancellable_get_fd (GCancellable *cancellable);
GLIB_AVAILABLE_IN_ALL
gboolean g_cancellable_make_pollfd (GCancellable *cancellable,
GPollFD *pollfd);
GLIB_AVAILABLE_IN_ALL
void g_cancellable_release_fd (GCancellable *cancellable);
GLIB_AVAILABLE_IN_ALL
GSource * g_cancellable_source_new (GCancellable *cancellable);
GLIB_AVAILABLE_IN_ALL
GCancellable *g_cancellable_get_current (void);
GLIB_AVAILABLE_IN_ALL
void g_cancellable_push_current (GCancellable *cancellable);
GLIB_AVAILABLE_IN_ALL
void g_cancellable_pop_current (GCancellable *cancellable);
GLIB_AVAILABLE_IN_ALL
void g_cancellable_reset (GCancellable *cancellable);
GLIB_AVAILABLE_IN_ALL
gulong g_cancellable_connect (GCancellable *cancellable,
GCallback callback,
gpointer data,
GDestroyNotify data_destroy_func);
GLIB_AVAILABLE_IN_ALL
void g_cancellable_disconnect (GCancellable *cancellable,
gulong handler_id);
/* This is safe to call from another thread */
GLIB_AVAILABLE_IN_ALL
void g_cancellable_cancel (GCancellable *cancellable);
G_END_DECLS
#endif /* __G_CANCELLABLE_H__ */
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