On Thu, Jun 27, 2013 at 05:44:52PM +0800, Chinmay V S wrote: > Hi All, > > Recently i have implemented fairly simple IPC between two processes by > mmap-ing the same file in both. > > To send an "event" from one process to the other i thought of using msync() > and inotify. I found that there is no inotify event that can be triggered > upon msync() on a mmap-ed file. > > Luckily i was able to patch the kernel and add a new watch to inotify that > is triggered upon msync. > > https://gist.github.com/TheCodeArtist/5874669 > > This is derived from a previous work by Simo Sorce(wayyy back in 2009) > http://osdir.com/ml/linux-kernel/2009-03/msg13455.html > > This is NOT part of the mainline kernel yet. > Does this approach have any technical "gotchas"? > _OR_ > is there a far simpler approach i am missing? What's wrong with the myriad of socket based options? Use a named pipe or unix socket? -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
