Re: Squid AsyncIO and LinuxThread

From: David Luyer <>
Date: Tue, 29 Sep 1998 13:36:42 +0800

> On Mon, 28 Sep 1998, Henrik Nordstrom wrote:
> > 1: handle SIGUSR1 nostop noprint
> > 2: handle SIGUSR2 nostop noprint
> Thank you Henrik, this would help a lot. BTW, since newer version of squid
> (1.2b24 and up) use SIGTRAP and SIGQUIT instead of SIGUSR1 and SIGUSR2, to
> debug them line 1 and 2 above should change accordingly, right?

SIGUSR1 and SIGUSR2 are used by Linux threading libraries. I assume Squid
is using SIGTRAP and SIGQUIT to avoid the clash (I hadn't noticed that the
signals had changed). SIGUSR1 and SIGUSR2 are the ones you want to ignore.

Received on Mon Sep 28 1998 - 22:37:50 MDT

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