Subj : Re: trying to understand simultaneous wakeup of all threads on pthreads_cond_broadcast()
To   : comp.programming.threads
From : David Schwartz
Date : Mon Jan 31 2005 09:26 pm


<el_bandido@nospam.com> wrote in message 
news:41feb57b_2@news.cybercity.ch...

> So how does the linuxthreads implementation guarantee randomness in the 
> waiting thread selection? Or does POSIX not require randomness for 
> pthreads_cond_broadcast()?

    Why would you want randomness? You would normally want whichever thread 
ran the most recently to run again. (Hottest in the cache.)

    For some reason, people seem to think that POSIX implementations should 
be tuned for the minimal possible performance.

    DS

.