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Subject: Re: A better interface, perhaps: a timed signal flag
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Theodore Tso <tytso@mit.edu>, Neil Horman <nhorman@tuxdriver.com>,
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Date: Fri, 28 Jul 2006 21:36:02 +0100
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Ar Gwe, 2006-07-28 am 16:12 -0400, ysgrifennodd Steven Rostedt:
> what the kernel does with wake_up.  That way you can sleep till another
> process/thread is done with what it was doing and wake up the other task
> when done, without the use of signals.  Or is there something that
> already does this?

futex and sys5 semaphore both do this. The latter is very portable but a
bit less efficient.