diff options
Diffstat (limited to 'Utility/DirWatcher.hs')
| -rw-r--r-- | Utility/DirWatcher.hs | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/Utility/DirWatcher.hs b/Utility/DirWatcher.hs index 11ce7baef..93c3ecb02 100644 --- a/Utility/DirWatcher.hs +++ b/Utility/DirWatcher.hs @@ -17,7 +17,6 @@ import Utility.Types.DirWatcher #if WITH_INOTIFY import qualified Utility.INotify as INotify import qualified System.INotify as INotify -import Utility.ThreadScheduler #endif #if WITH_KQUEUE import qualified Utility.Kqueue as Kqueue @@ -72,19 +71,41 @@ closingTracked = undefined #endif #endif +/* Starts a watcher thread. The runStartup action is passed a scanner action + * to run, that will return once the initial directory scan is complete. + * Once runStartup returns, the watcher thread continues running, + * and processing events. Returns a DirWatcherHandle that can be used + * to shutdown later. */ #if WITH_INOTIFY -watchDir :: FilePath -> Pruner -> WatchHooks -> (IO () -> IO ()) -> IO () -watchDir dir prune hooks runstartup = INotify.withINotify $ \i -> do +type DirWatcherHandle = INotify.INotify +watchDir :: FilePath -> Pruner -> WatchHooks -> (IO () -> IO ()) -> IO DirWatcherHandle +watchDir dir prune hooks runstartup = do + i <- INotify.initINotify runstartup $ INotify.watchDir i dir prune hooks - waitForTermination -- Let the inotify thread run. + return i #else #if WITH_KQUEUE -watchDir :: FilePath -> Pruner -> WatchHooks -> (IO Kqueue.Kqueue -> IO Kqueue.Kqueue) -> IO () +type DirWatcherHandle = ThreadID +watchDir :: FilePath -> Pruner -> WatchHooks -> (IO Kqueue.Kqueue -> IO Kqueue.Kqueue) -> IO DirWatcherHandle watchDir dir ignored hooks runstartup = do kq <- runstartup $ Kqueue.initKqueue dir ignored - Kqueue.runHooks kq hooks + forkIO $ Kqueue.runHooks kq hooks #else -watchDir :: FilePath -> Pruner -> WatchHooks -> (IO () -> IO ()) -> IO () +type DirWatcherHandle = () +watchDir :: FilePath -> Pruner -> WatchHooks -> (IO () -> IO ()) -> IO DirWatcherHandle watchDir = undefined #endif #endif + +#if WITH_INOTIFY +stopWatchDir :: DirWatcherHandle -> IO () +stopWatchDir = INotify.killINotify +#else +#if WITH_KQUEUE +stopWatchDir :: DirWatcherHandle -> IO () +stopWatchDir = killThread +#else +stopWatchDir :: DirWatcherHandle -> IO () +stopWatchDir = undefined +#endif +#endif |