[gnio] Add g_socket_get_fd

[Alexander Larsson <alexl src gnome org>]

commit e1089e810f0b50e7debcec8f1fa257d6af0de8b4
Author: Alexander Larsson <alexl redhat com>
Date:   Wed May 6 15:29:12 2009 +0200

    Add g_socket_get_fd
    
    This is useful if you want to do weird lowlevel stuff.
---
 gio/gsocket.c |    8 ++++++++
 gio/gsocket.h |    1 +
 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/gio/gsocket.c b/gio/gsocket.c
index 16f74f8..62df568 100644
--- a/gio/gsocket.c
+++ b/gio/gsocket.c
@@ -850,6 +850,14 @@ g_socket_set_listen_backlog (GSocket *socket,
     }
 }
 
+int
+g_socket_get_fd (GSocket *socket)
+{
+  g_return_val_if_fail (G_IS_SOCKET (socket), -1);
+
+  return socket->priv->fd;
+}
+
 GSocketAddress *
 g_socket_get_local_address (GSocket  *socket,
                             GError  **error)
diff --git a/gio/gsocket.h b/gio/gsocket.h
index 1a2b1db..49a5940 100644
--- a/gio/gsocket.h
+++ b/gio/gsocket.h
@@ -82,6 +82,7 @@ GSocket *              g_socket_new                     (GSocketFamily
 							 GSocketType              type,
 							 const char              *protocol);
 GSocket *              g_socket_new_from_fd             (gint                     fd);
+int                    g_socket_get_fd                  (GSocket                 *socket);
 GSocketAddress *       g_socket_get_local_address       (GSocket                 *socket,
 							 GError                 **error);
 GSocketAddress *       g_socket_get_remote_address      (GSocket                 *socket,