how to keep one instance???

[Heiko Wundram]

Am Dienstag, 18. Mai 2004 14:46 schrieb Jeff Epler:
> Note that there are often race conditions here---if two copies of the
> application start nearly simultaneously, both may detect that no
> other copy of the app exists.  If someone wants to tell me the way to
> get this right in the context of Unix/X11, please speak up!

Lock files in /tmp? Simply do file-based locking the daemon PID-file style... 
If you need code (which is race-free) to handle this, mail me, and I'll 
gladly send it to you.

Heiko.