diff options
| author | Havoc Pennington <hp@redhat.com> | 2007-07-10 16:00:44 +0000 |
|---|---|---|
| committer | Havoc Pennington <hp@redhat.com> | 2007-07-10 16:00:44 +0000 |
| commit | fbd1ded1d6fbe94c6188934245f8a4f14ec52e84 (patch) | |
| tree | 7b07984e8b10d9c6bdbac7a23daee22727092604 /dbus | |
| parent | 1bd4ecc1256f38d7ab0da736434d46762507348b (diff) | |
2007-07-10 Havoc Pennington <hp@redhat.com>
* dbus/dbus-connection.c (struct DBusConnection): Fix from Olivier
Hochreutiner to avoid trying to protect individual bits in a word
with different locks (make dispatch_acquired and io_path_acquired
dbus_bool_t rather than bitfields)
Diffstat (limited to 'dbus')
| -rw-r--r-- | dbus/dbus-connection.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/dbus/dbus-connection.c b/dbus/dbus-connection.c index 5dc463a4..1fef2b6c 100644 --- a/dbus/dbus-connection.c +++ b/dbus/dbus-connection.c @@ -281,10 +281,14 @@ struct DBusConnection char *server_guid; /**< GUID of server if we are in shared_connections, #NULL if server GUID is unknown or connection is private */ + /* These two MUST be bools and not bitfields, because they are protected by a separate lock + * from connection->mutex and all bitfields in a word have to be read/written together. + * So you can't have a different lock for different bitfields in the same word. + */ + dbus_bool_t dispatch_acquired; /**< Someone has dispatch path (can drain incoming queue) */ + dbus_bool_t io_path_acquired; /**< Someone has transport io path (can use the transport to read/write messages) */ + unsigned int shareable : 1; /**< #TRUE if libdbus owns a reference to the connection and can return it from dbus_connection_open() more than once */ - - unsigned int dispatch_acquired : 1; /**< Someone has dispatch path (can drain incoming queue) */ - unsigned int io_path_acquired : 1; /**< Someone has transport io path (can use the transport to read/write messages) */ unsigned int exit_on_disconnect : 1; /**< If #TRUE, exit after handling disconnect signal */ |