On Sun, Apr 20, 2008 at 5:22 PM, Bryan O'Sullivan <[EMAIL PROTECTED]> wrote: > Niklas Broberg wrote: > > > So API suggestions would be most welcome! > > Your challenge will lie in finding an API that can be implemented > efficiently on all concerned platforms. I don't know what the > characteristics of the Windows or OS X notification APIs are, but if you > use inotify on Linux, and you immediately issue a read every time select > tells you there's something to be read, you'll easily consume 70% of a > CPU when the filesystem gets busy. > > With a little guile, you can reduce that overhead by two orders of > magnitude, to a fraction of a percent. It's not all that easy to do > this well, but using inotify naively is so crippling that you must do > it. Any higher-level API must account for factors like this.
Factor has a file system notification API that wraps windows, linux and mac ones. It might be worth taking a look at that to see what it does. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe