>
> I have a new feature for the Linux virtual filesystem. My patch against
> 2.1.118 adds a new fcntl() function (F_SET_SIGVFS) that instructs the
> VFS to send a signal to userland if a specific inode (file/dir) has
> changed. You only have to open the file/dir for reading and give a mask
> and signalnr to fcntl(). Thats all. The program wakes up when something
> happens and you can do a fstat() or readdir() to figure out _what_ the
> changes are. Simple, small, no obscure API. Currently the only way to
> do this is by frequently polling which is mostly not what you would like
> to do.
>
> Please check the patch out. I dont see any complications.
I wish this was a POSIX-defined feature. Many things I write to earn my
living require knowing about changes in directories or files.
Steve
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