linux-kernel - Question about PF

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Message-ID: <4104961b0708092219r6fbc5854pc41a4a98a2b79c2a@mail.gmail.com>
Date:	Fri, 10 Aug 2007 13:19:45 +0800
From:	"jidong xiao" <jidong.xiao@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Question about PF_NOFREEZE

if one thread set its current->flag with PF_NOFREEZE, then it means
this thread is unfreezable,does this mean, when the system entered
into a suspended state, even though all the other threads have already
gone sleep, this thread still keeps awaken?

One thing I am very confused is, if all the other threads goes to
sleep,can this only one thread(assume only one thread marked itself as
unfreezable.) still works well?

Regards
Jason
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