#include "gasynchelper.h"
-#include "gioalias.h"
-/**
+/*< private >
* SECTION:gasynchelper
* @short_description: Asynchronous Helper Functions
* @include: gio/gio.h
- * @see_also: #GAsyncReady
+ * @see_also: #GAsyncResult
*
* Provides helper functions for asynchronous operations.
*
{
GSource source;
GPollFD pollfd;
- GCancellable *cancellable;
- gulong cancelled_tag;
- GObject *object;
} FDSource;
static gboolean
fd_source_prepare (GSource *source,
gint *timeout)
{
- FDSource *fd_source = (FDSource *)source;
*timeout = -1;
-
- return g_cancellable_is_cancelled (fd_source->cancellable);
+ return FALSE;
}
-static gboolean
+static gboolean
fd_source_check (GSource *source)
{
FDSource *fd_source = (FDSource *)source;
- return
- g_cancellable_is_cancelled (fd_source->cancellable) ||
- fd_source->pollfd.revents != 0;
+ return fd_source->pollfd.revents != 0;
}
static gboolean
{
GFDSourceFunc func = (GFDSourceFunc)callback;
- GFDSourceObjectFunc func2 = (GFDSourceObjectFunc)callback;
FDSource *fd_source = (FDSource *)source;
g_warn_if_fail (func != NULL);
- if (fd_source->object)
- return (*func2) (fd_source->object, fd_source->pollfd.revents, user_data);
- else
- return (*func) (user_data, fd_source->pollfd.revents, fd_source->pollfd.fd);
+ return (*func) (fd_source->pollfd.fd, fd_source->pollfd.revents, user_data);
}
-static void
+static void
fd_source_finalize (GSource *source)
{
- FDSource *fd_source = (FDSource *)source;
+}
+
+static gboolean
+fd_source_closure_callback (int fd,
+ GIOCondition condition,
+ gpointer data)
+{
+ GClosure *closure = data;
+
+ GValue params[2] = { G_VALUE_INIT, G_VALUE_INIT };
+ GValue result_value = G_VALUE_INIT;
+ gboolean result;
- if (fd_source->cancelled_tag)
- g_cancellable_disconnect (fd_source->cancellable,
- fd_source->cancelled_tag);
+ g_value_init (&result_value, G_TYPE_BOOLEAN);
- if (fd_source->cancellable)
- g_object_unref (fd_source->cancellable);
+ g_value_init (¶ms[0], G_TYPE_INT);
+ g_value_set_int (¶ms[0], fd);
- if (fd_source->object)
- g_object_unref (fd_source->object);
+ g_value_init (¶ms[1], G_TYPE_IO_CONDITION);
+ g_value_set_flags (¶ms[1], condition);
+
+ g_closure_invoke (closure, &result_value, 2, params, NULL);
+
+ result = g_value_get_boolean (&result_value);
+ g_value_unset (&result_value);
+ g_value_unset (¶ms[0]);
+ g_value_unset (¶ms[1]);
+
+ return result;
+}
+
+static void
+fd_source_closure_marshal (GClosure *closure,
+ GValue *return_value,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer invocation_hint,
+ gpointer marshal_data)
+{
+ GFDSourceFunc callback;
+ GCClosure *cc = (GCClosure*) closure;
+ gboolean v_return;
+
+ g_return_if_fail (return_value != NULL);
+ g_return_if_fail (n_param_values == 0);
+
+ callback = (GFDSourceFunc) (marshal_data ? marshal_data : cc->callback);
+
+ v_return = callback (g_value_get_int (param_values),
+ g_value_get_flags (param_values + 1),
+ closure->data);
+
+ g_value_set_boolean (return_value, v_return);
}
static GSourceFuncs fd_source_funcs = {
fd_source_prepare,
fd_source_check,
fd_source_dispatch,
- fd_source_finalize
+ fd_source_finalize,
+ (GSourceFunc)fd_source_closure_callback,
+ (GSourceDummyMarshal)fd_source_closure_marshal,
};
-/* Might be called on another thread */
-static void
-fd_source_cancelled_cb (GCancellable *cancellable,
- gpointer data)
-{
- /* Wake up the mainloop in case we're waiting on async calls with FDSource */
- g_main_context_wakeup (NULL);
-}
-
GSource *
-_g_fd_source_new_with_object (GObject *object,
- int fd,
- gushort events,
- GCancellable *cancellable)
+_g_fd_source_new (int fd,
+ gushort events,
+ GCancellable *cancellable)
{
GSource *source;
FDSource *fd_source;
source = g_source_new (&fd_source_funcs, sizeof (FDSource));
fd_source = (FDSource *)source;
- if (cancellable)
- fd_source->cancellable = g_object_ref (cancellable);
-
- if (object)
- fd_source->object = g_object_ref (object);
-
fd_source->pollfd.fd = fd;
fd_source->pollfd.events = events;
g_source_add_poll (source, &fd_source->pollfd);
if (cancellable)
- fd_source->cancelled_tag =
- g_cancellable_connect (cancellable,
- (GCallback)fd_source_cancelled_cb,
- NULL, NULL);
+ {
+ GSource *cancellable_source = g_cancellable_source_new (cancellable);
- return source;
-}
+ g_source_set_dummy_callback (cancellable_source);
+ g_source_add_child_source (source, cancellable_source);
+ g_source_unref (cancellable_source);
+ }
-GSource *
-_g_fd_source_new (int fd,
- gushort events,
- GCancellable *cancellable)
-{
- return _g_fd_source_new_with_object (NULL, fd, events, cancellable);
+ return source;
}