Re: what is the most efficient wakeup method (signals,msgs,semaphores) ?

From: Dan Kegel (dank@alumni.caltech.edu)
Date: Sat Oct 21 2000 - 11:32:58 EST


> I'd like to hear your opinions on the efficiency for the IPC mechanism
> betweeen two processes. (from a kernel point of view)

Have you read "Unix Network Programming, Volume 2, 2nd edition: IPC"
by Richard Stevens? It has measurements for this kind of thing
on two OS's, and you can run the tests yourself on your favorite OS;
the code is probably at http://www.kohala.com
- Dan
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