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Diffstat (limited to 'Utility/DirWatcher.hs')
| -rw-r--r-- | Utility/DirWatcher.hs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Utility/DirWatcher.hs b/Utility/DirWatcher.hs index bf184ff8a..baab244c7 100644 --- a/Utility/DirWatcher.hs +++ b/Utility/DirWatcher.hs @@ -53,6 +53,25 @@ eventsCoalesce = undefined #endif #endif +/* With inotify, file closing is tracked to some extent, so an add event + * will always be received for a file once its writer closes it, and + * (typically) not before. This may mean multiple add events for the same file. + * + * OTOH, with kqueue, add events will often be received while a file is + * still being written to, and then no add event will be received once the + * writer closes it. + */ +closingTracked :: Bool +#if WITH_INOTIFY +closingTracked = True +#else +#if WITH_KQUEUE +closingTracked = False +#else +eventsCoalesce = undefined +#endif +#endif + #if WITH_INOTIFY watchDir :: FilePath -> Pruner -> WatchHooks -> (IO () -> IO ()) -> IO () watchDir dir prune hooks runstartup = INotify.withINotify $ \i -> do |