1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
20 * Author: Alexander Larsson <alexl@redhat.com>
25 #include "gasynchelper.h"
28 async_result_free (gpointer data)
30 GAsyncResultData *res = data;
33 g_error_free (res->error);
35 g_object_unref (res->async_object);
41 _g_queue_async_result (GAsyncResultData *result,
42 gpointer async_object,
45 GSourceFunc source_func)
49 g_return_if_fail (G_IS_OBJECT (async_object));
51 result->async_object = g_object_ref (async_object);
52 result->user_data = user_data;
53 result->error = error;
55 source = g_idle_source_new ();
56 g_source_set_priority (source, G_PRIORITY_DEFAULT);
57 g_source_set_callback (source, source_func, result, async_result_free);
58 g_source_attach (source, NULL);
59 g_source_unref (source);
62 /*************************************************************************
64 ************************************************************************/
70 GCancellable *cancellable;
75 fd_source_prepare (GSource *source,
78 FDSource *fd_source = (FDSource *)source;
81 return g_cancellable_is_cancelled (fd_source->cancellable);
85 fd_source_check (GSource *source)
87 FDSource *fd_source = (FDSource *)source;
90 g_cancellable_is_cancelled (fd_source->cancellable) ||
91 fd_source->pollfd.revents != 0;
95 fd_source_dispatch (GSource *source,
100 GFDSourceFunc func = (GFDSourceFunc)callback;
101 FDSource *fd_source = (FDSource *)source;
103 g_assert (func != NULL);
105 return (*func) (user_data, fd_source->pollfd.revents, fd_source->pollfd.fd);
109 fd_source_finalize (GSource *source)
111 FDSource *fd_source = (FDSource *)source;
113 if (fd_source->cancelled_tag)
114 g_signal_handler_disconnect (fd_source->cancellable,
115 fd_source->cancelled_tag);
117 if (fd_source->cancellable)
118 g_object_unref (fd_source->cancellable);
121 static GSourceFuncs fd_source_funcs = {
128 /* Might be called on another thread */
130 fd_source_cancelled_cb (GCancellable *cancellable,
133 /* Wake up the mainloop in case we're waiting on async calls with FDSource */
134 g_main_context_wakeup (NULL);
138 _g_fd_source_new (int fd,
140 GCancellable *cancellable)
145 source = g_source_new (&fd_source_funcs, sizeof (FDSource));
146 fd_source = (FDSource *)source;
149 fd_source->cancellable = g_object_ref (cancellable);
151 fd_source->pollfd.fd = fd;
152 fd_source->pollfd.events = events;
153 g_source_add_poll (source, &fd_source->pollfd);
156 fd_source->cancelled_tag =
157 g_signal_connect_data (cancellable, "cancelled",
158 (GCallback)fd_source_cancelled_cb,