Make GSocketSourceFunc return the GSocket

This is very useful when you have multiple sockets with sources.

gio/gasynchelper.c

@@ -81,6 +81,7 @@ typedef struct
   GPollFD pollfd;
   GCancellable *cancellable;
   gulong cancelled_tag;
+  GObject *object;
 } FDSource;
 
 static gboolean 
@@ -93,7 +94,7 @@ fd_source_prepare (GSource *source,
   return g_cancellable_is_cancelled (fd_source->cancellable);
 }
 
-static gboolean 
+static gboolean
 fd_source_check (GSource *source)
 {
   FDSource *fd_source = (FDSource *)source;
@@ -110,14 +111,18 @@ fd_source_dispatch (GSource     *source,
 
 {
   GFDSourceFunc func = (GFDSourceFunc)callback;
+  GFDSourceObjectFunc func2 = (GFDSourceObjectFunc)callback;
   FDSource *fd_source = (FDSource *)source;
 
   g_warn_if_fail (func != NULL);
 
-  return (*func) (user_data, fd_source->pollfd.revents, fd_source->pollfd.fd);
+  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);
 }
 
-static void 
+static void
 fd_source_finalize (GSource *source)
 {
   FDSource *fd_source = (FDSource *)source;
@@ -128,6 +133,9 @@ fd_source_finalize (GSource *source)
 
   if (fd_source->cancellable)
     g_object_unref (fd_source->cancellable);
+
+  if (fd_source->object)
+    g_object_unref (fd_source->object);
 }
 
 static GSourceFuncs fd_source_funcs = {
@@ -147,9 +155,10 @@ fd_source_cancelled_cb (GCancellable *cancellable,
 }
 
 GSource *
-_g_fd_source_new (int           fd,
-		  gushort       events,
-		  GCancellable *cancellable)
+_g_fd_source_new_with_object (GObject      *object,
+			      int           fd,
+			      gushort       events,
+			      GCancellable *cancellable)
 {
   GSource *source;
   FDSource *fd_source;
@@ -159,16 +168,27 @@ _g_fd_source_new (int           fd,
 
   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, 
+      g_cancellable_connect (cancellable,
 			     (GCallback)fd_source_cancelled_cb,
 			     NULL, NULL);
-  
+
   return source;
 }
+
+GSource *
+_g_fd_source_new (int           fd,
+		  gushort       events,
+		  GCancellable *cancellable)
+{
+  return _g_fd_source_new_with_object (NULL, fd, events, cancellable);
+}

gio/gasynchelper.h

@@ -24,6 +24,7 @@
 #define __G_ASYNC_HELPER_H__
 
 #include <gio/gio.h>
+#include <glib-object.h>
 
 G_BEGIN_DECLS
 
@@ -37,6 +38,9 @@ typedef struct
 typedef gboolean (*GFDSourceFunc) (gpointer     user_data,
 				   GIOCondition condition,
 				   int          fd);
+typedef gboolean (*GFDSourceObjectFunc) (GObject *object,
+					 GIOCondition condition,
+					 gpointer     user_data);
 
 void     _g_queue_async_result (GAsyncResultData *result,
 				gpointer         async_object,
@@ -44,9 +48,13 @@ void     _g_queue_async_result (GAsyncResultData *result,
 				gpointer         user_data,
 				GSourceFunc      source_func);
 
-GSource *_g_fd_source_new      (int              fd,
-				gushort          events,
-				GCancellable    *cancellable);
+GSource *_g_fd_source_new_with_object (GObject      *object,
+				       int           fd,
+				       gushort       events,
+				       GCancellable *cancellable);
+GSource *_g_fd_source_new             (int           fd,
+				       gushort       events,
+				       GCancellable *cancellable);
 
 G_END_DECLS
 

gio/giotypes.h

@@ -223,16 +223,18 @@ typedef void (*GSimpleAsyncThreadFunc) (GSimpleAsyncResult *res,
 
 /**
  * GSocketSourceFunc:
- * @user_data: data passed in by the user.
+ * @socket: the #GSocket
  * @condition: the current condition at the source fired.
+ * @user_data: data passed in by the user.
  *
  * This is the function type of the callback used for the #GSource
  * returned by g_socket_create_source().
  *
  * Since: 2.22
  */
-typedef gboolean (*GSocketSourceFunc) (gpointer user_data,
-				       GIOCondition condition);
+typedef gboolean (*GSocketSourceFunc) (GSocket *socket,
+				       GIOCondition condition,
+				       gpointer user_data);
 
 /**
  * GInputVector:

gio/gsocket.c

@@ -2089,8 +2089,9 @@ winsock_dispatch (GSource    *source,
   GSocketSourceFunc func = (GSocketSourceFunc)callback;
   GWinsockSource *winsock_source = (GWinsockSource *)source;
 
-  return (*func) (user_data,
-		  winsock_source->result_condition & winsock_source->condition);
+  return (*func) (winsock_source->socket,
+		  winsock_source->result_condition & winsock_source->condition,
+		  user_data);
 }
 
 static void
@@ -2190,7 +2191,8 @@ g_socket_create_source (GSocket      *socket,
 #ifdef G_OS_WIN32
   source = winsock_source_new (socket, condition, cancellable);
 #else
-  source =_g_fd_source_new (socket->priv->fd, condition, cancellable);
+  source =_g_fd_source_new_with_object (G_OBJECT (socket), socket->priv->fd,
+					condition, cancellable);
 #endif
   return source;
 }