[gnio] Track closed state of GSocket

[Alexander Larsson <alexl src gnome org>]

commit b5c628bb8d18ce10df4ea46f73521c04201cbfd3
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Apr 27 16:29:32 2009 +0200

    Track closed state of GSocket
---
 gio/gsocket.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/gio/gsocket.c b/gio/gsocket.c
index ac8b4b8..6bca820 100644
--- a/gio/gsocket.c
+++ b/gio/gsocket.c
@@ -72,6 +72,7 @@ struct _GSocketPrivate
   GError         *error;
   GSocketAddress *local_address;
   GSocketAddress *remote_address;
+  gboolean        closed;
 };
 
 static void
@@ -340,7 +341,8 @@ g_socket_finalize (GObject *object)
 
   g_clear_error (&socket->priv->error);
 
-  g_socket_close (socket);
+  if (!socket->priv->closed)
+    g_socket_close (socket);
 
   if (G_OBJECT_CLASS (g_socket_parent_class)->finalize)
     (*G_OBJECT_CLASS (g_socket_parent_class)->finalize) (object);
@@ -765,11 +767,16 @@ g_socket_close (GSocket *socket)
 {
   g_return_if_fail (G_IS_SOCKET (socket));
 
+  if (socket->priv->closed)
+    return;
+
 #ifdef G_OS_WIN32
   closesocket (socket->priv->fd);
 #else
   close (socket->priv->fd);
 #endif
+
+  socket->priv->closed = TRUE;
 }
 
 GSource *