linux-kernel - Re: A better interface, perhaps: a timed signal flag

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Date:	Fri, 28 Jul 2006 21:36:02 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Theodore Tso <tytso@....edu>, Neil Horman <nhorman@...driver.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Segher Boessenkool <segher@...nel.crashing.org>,
	Dave Airlie <airlied@...il.com>, linux-kernel@...r.kernel.org,
	a.zummo@...ertech.it, jg@...edesktop.org
Subject: Re: A better interface, perhaps: a timed signal flag

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.


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