[clug] Semaphores and shared memory

Jepri jepri at webone.com.au
Wed Dec 10 07:59:40 GMT 2003

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.

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