diff options
Diffstat (limited to 'recipes/dbus/dbus-1.3.0/improve-threading-stability.patch')
-rw-r--r-- | recipes/dbus/dbus-1.3.0/improve-threading-stability.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/recipes/dbus/dbus-1.3.0/improve-threading-stability.patch b/recipes/dbus/dbus-1.3.0/improve-threading-stability.patch new file mode 100644 index 0000000000..59de6ef27f --- /dev/null +++ b/recipes/dbus/dbus-1.3.0/improve-threading-stability.patch @@ -0,0 +1,38 @@ +From ae95a0ff9651a774cd983436d7e656c62492659c Mon Sep 17 00:00:00 2001 +From: Michael Meeks <michael.meeks@novell.com> +Date: Fri, 12 Mar 2010 16:50:27 +0000 +Subject: [DBusConnection] When handling a watch, return if another thread is doing I/O + +http://lists.freedesktop.org/archives/dbus/2010-March/012337.html + +Previously, the watch handler would block until the I/O path was available. +However, if another non-main thread was doing a synchronous call, this would +cause the main thread to block on that thread, a highly undesirable +thing because it's important for the main thread to remain responsive +for user interfaces. + +Signed-off-by: Colin Walters <walters@verbum.org> +Signed-off-by: Thiago Macieira <thiago@kde.org> +--- +diff --git a/dbus/dbus-connection.c b/dbus/dbus-connection.c +index 5fb234d..69fdf53 100644 +--- a/dbus/dbus-connection.c ++++ b/dbus/dbus-connection.c +@@ -1435,7 +1435,14 @@ _dbus_connection_handle_watch (DBusWatch *watch, + _dbus_verbose ("%s start\n", _DBUS_FUNCTION_NAME); + + CONNECTION_LOCK (connection); +- _dbus_connection_acquire_io_path (connection, -1); ++ ++ if (!_dbus_connection_acquire_io_path (connection, 1)) ++ { ++ /* another thread is handling the message */ ++ CONNECTION_UNLOCK (connection); ++ return TRUE; ++ } ++ + HAVE_LOCK_CHECK (connection); + retval = _dbus_transport_handle_watch (connection->transport, + watch, condition); +-- +cgit v0.8.3-6-g21f6 |