[clug] Semaphores and shared memory

[Jepri]

Martin Pool wrote:

>It's somewhat portable.
>
>But really, mutexes and SysV IPC are pretty deprecated on Linux.  For
>example, they aren't automatically cleaned up if your program
>terminates, and they use a wierd non-filesystem naming scheme.  Just
>lock the file, or parts of it.
>
>See tdb in samba cvs for a good example.
>
>  
>
I'll do it the file locking way, it does sound better and less complicated.

Purely out of curiousity, where should I have gone to find this out?  
Nothing I've read about semaphores suggested that they were old news, so 
I thought they were still a good idea.