linux-inotify: Thinner binding to the Linux Kernel's inotify interface

This is a binding for GHC 7 to the Linux Kernel's inotify interface, which provides notifications to applications regarding file system events, such as file creation, modification, deletion, etc.

Some of the advantages over hinotify are:

1. linux-inotify provides a plain getEvent operator that blocks, instead of implementing a callback API.

2. linux-inotify avoids most of GHC's standard IO handling code, relying on plain system calls with minimal overhead in Haskell-land. (However, it still does make good use of GHC's IO manager via nonblocking inotify sockets and threadWaitRead, so getEvent is still efficient.)

3. linux-inotify does not call forkIO, which means less context switching and scheduling overhead, especially in contexts where hinotify's particular event router isn't a very good fit for your application; e.g. you are implementing a following log file processor.

Some of the disadvantages compared to hinotify are:

1. Due to the use of inotify_init1, `linux-inotify` currently requires linux 2.6.27 or later, even though inotify support debuted in linux 2.6.13. You can check which version of linux is on a machine via uname `-a`. I would like to fix this at some point, but it isn't a personal priority.

2. `linux-inotify` requires GHC 7.8.1 or later, whereas hinotify works with many versions of GHC 6. I have no plans to fix this.

Modules

[Index]

Downloads

• linux-inotify-0.3.0.0.tar.gz [browse] (Cabal source package)
• Package description (as included in the package)

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Package maintainers

• LeonSmith, wraithm

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