From: Joel Becker <Joel.Becker@oracle.com>
To: Melkor Ainur <melkorainur@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: signal_pending() and schedule()
Date: Tue, 26 Mar 2002 17:49:32 -0800 [thread overview]
Message-ID: <20020327014932.GB803@insight.us.oracle.com> (raw)
In-Reply-To: <20020327001955.99099.qmail@web21203.mail.yahoo.com>
On Tue, Mar 26, 2002 at 04:19:55PM -0800, Melkor Ainur wrote:
> This works fine for some applications like netcat,etc
> but fails for netscape. In debugging this, I observe
> that after calling schedule_timeout(), the sigpending
> bit appears to be set immediately and thus
> schedule() doesn't actually put the process to sleep.
This is happening exactly for the reason you would expect it to:
A signal has arrived. Netscape's userspace "threading" is based
entirely on signals. Netscape sends itself SIGALRM almost continuously.
You'll have to expect this from Netscape and work around or with it.
Joel
--
Life's Little Instruction Book #337
"Reread your favorite book."
Joel Becker
Senior Member of Technical Staff
Oracle Corporation
E-mail: joel.becker@oracle.com
Phone: (650) 506-8127
next prev parent reply other threads:[~2002-03-27 1:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-27 0:19 Melkor Ainur
2002-03-27 0:53 ` Alan Cox
2002-03-27 1:49 ` Joel Becker [this message]
2002-03-27 3:52 ` Melkor Ainur
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