[clug] Semaphores and shared memory

Martin Pool mbp at samba.org
Wed Dec 10 03:56:08 GMT 2003

On 10 Dec 2003, Jepri <jepri at webone.com.au> wrote:

> This would be a great topic for Brad's SIG programming group.
> BTW I'm guessing this would all be very unportable (to windows, also to 
> weirder *nixs)?

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.

                               linux.conf.au -- Adelaide, January 2004
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