diff options
Diffstat (limited to 'src/IPC')
| -rw-r--r-- | src/IPC/DBus.hs | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/IPC/DBus.hs b/src/IPC/DBus.hs index b0597a4..469a7c6 100644 --- a/src/IPC/DBus.hs +++ b/src/IPC/DBus.hs @@ -14,10 +14,14 @@ module IPC.DBus ( runIPC ) where +import Prelude hiding (catch) + import DBus import DBus.Client import Control.Monad (join, when) import Control.Concurrent +import Control.Exception (catch) +import System.IO (stderr, hPutStrLn) import Signal import Plugins.Utils (safeHead) @@ -32,10 +36,14 @@ interfaceName :: InterfaceName interfaceName = interfaceName_ "org.Xmobar.Control" runIPC :: MVar SignalType -> IO () -runIPC mvst = do - client <- connectSession - requestName client busName [ nameDoNotQueue ] - export client objectPath [ sendSignalMethod mvst ] +runIPC mvst = catch exportConnection printException + where + printException :: ClientError -> IO () + printException = hPutStrLn stderr . clientErrorMessage + exportConnection = do + client <- connectSession + requestName client busName [ nameDoNotQueue ] + export client objectPath [ sendSignalMethod mvst ] sendSignalMethod :: MVar SignalType -> Method sendSignalMethod mvst = method interfaceName sendSignalName |