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Subject: Re: [PATCH] Futexes IV (Fast Lightweight Userspace Semaphores)
From: Ulrich Drepper <drepper@redhat.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Martin Wirth <martin.wirth@dlr.de>, pwaechtler@loewe-komp.de,
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On Sat, 2002-03-16 at 22:50, Rusty Russell wrote:

> Only vs. pthread_cond_broadcast.

No.  pthread_barrier_wait has the same problem.  It has to wake up lots
of thread.

> And if you're using that you probably
> have some other performance issues anyway?

Why?  Conditional variables are of use in situations with loosely
coupled threads.

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