Re: light weight user level semaphores

Alan Cox
2001-04-19T20:15:04Z

> I don't want nor need file permissions. A program would look like this:

Your example opens/mmaps so has file permissions. Which is what I was asking

> The shared mem segment can be retrieved in whatever way. The mutex in
> this case is anonymous. Everybody who has access to the shared mem
> *must* have access to the mutex.

We agree 8)