1. Add IN_DELETE_SELF watch to a file 2. unlink() the file 3. Try to remove the watch -> EINVAL I undestand this happens because there's an IN_IGNORED event in the inotify queue, but couldn't inotify_rm_watch() be silent about it if the event hasn't been read()? Otherwise there's a race condition between the read() and inotify_rm_watch(), so I'll just always have to ignore EINVAL errors. I don't like ignoring errors. (2.6.21.3 + ext3 if it matters)
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