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Date:	Wed, 7 Mar 2007 16:03:36 -0500
From:	"Lee Revell" <rlrevell@...-job.com>
To:	"linux-os (Dick Johnson)" <linux-os@...logic.com>
Cc:	"Luong Ngo" <luong.ngo@...il.com>,
	"Linux kernel" <linux-kernel@...r.kernel.org>
Subject: Re: Sleeping thread not receive signal until it wakes up

On 3/7/07, linux-os (Dick Johnson) <linux-os@...logic.com> wrote:
> Interruptible_sleep_on is interruptible, but for your task to
> actually be awakened and your alarm handler to get some CPU,
> it needs to be scheduled. If the BKL (big kernel lock) is
> held, it won't be scheduled until it is released.

You can schedule while holding the BKL and it will be dropped and reacquired.

Lee
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