From: "Bart Van Assche" <bart.vanassche@gmail.com>
To: "Eric Smith" <eric@brouhaha.com>
Cc: linux-kernel@vger.kernel.org, "Andi Kleen" <andi@firstfloor.org>
Subject: Re: Any lightweight way for one thread to force another thread to suspend execution?
Date: Sat, 21 Jun 2008 18:38:24 +0200 [thread overview]
Message-ID: <e2e108260806210938k4ba12874t5f46e524ee188ab3@mail.gmail.com> (raw)
In-Reply-To: <40921.64.62.206.10.1214006079.squirrel@ruckus.brouhaha.com>
On Sat, Jun 21, 2008 at 1:54 AM, Eric Smith <eric@brouhaha.com> wrote:
> Is there any method for one thread to force another thread to suspend
> execution, then later let it resume, that is lighter weight than using
> signals? I don't need it to be portable to anything other than Linux.
> The suspend needs to be synchronous, but resume doesn't.
Trying to suspend another thread synchronously is a bad idea because
this can easily trigger deadlocks. E.g. if you suspend a thread while
that thread holds a lock on a mutex, your application will deadlock.
Bart.
next prev parent reply other threads:[~2008-06-21 16:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-20 23:54 Eric Smith
2008-06-21 14:04 ` Andi Kleen
2008-06-22 1:55 ` Eric Smith
2008-06-22 6:33 ` Bart Van Assche
2008-06-22 9:14 ` Jan Engelhardt
2008-06-23 21:08 ` Eric Smith
2008-06-24 7:59 ` Mikael Pettersson
2008-06-21 16:38 ` Bart Van Assche [this message]
2008-06-22 2:02 ` Eric Smith
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