diff options
Diffstat (limited to 'Command/Watch.hs')
| -rw-r--r-- | Command/Watch.hs | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/Command/Watch.hs b/Command/Watch.hs index 5c354cace..e049591e9 100644 --- a/Command/Watch.hs +++ b/Command/Watch.hs @@ -3,11 +3,16 @@ {- git-annex watch daemon - + - Copyright 2012 Joey Hess <joey@kitenet.net> + - + - Licensed under the GNU GPL version 3 or higher. + - - Overview of threads and MVars, etc: - - - Thread 1: Parent + - Thread 1: parent - The initial thread run, double forks to background, starts other - - threads, and then stops, waiting for them to terminate. + - threads, and then stops, waiting for them to terminate, + - or for a ctrl-c. - Thread 2: inotify - Notices new files, and calls handlers for events, queuing changes. - Thread 3: inotify internal @@ -18,17 +23,13 @@ - index, then commits. - - State MVar: - - The Annex state is stored here, which allows recuscitating the + - The Annex state is stored here, which allows resuscitating the - Annex monad in IO actions run by the inotify and committer - threads. Thus, a single state is shared amoung the threads, and - only one at a time can access it. - ChangeChan STM TChan: - Changes are indicated by writing to this channel. The committer - reads from it. - - - - Copyright 2012 Joey Hess <joey@kitenet.net> - - - - Licensed under the GNU GPL version 3 or higher. -} module Command.Watch where |