From: Michael Snyder <msnyder@vmware.com>
To: Joel Brobecker <brobecker@adacore.com>
Cc: "gdb@sourceware.org" <gdb@sourceware.org>
Subject: Re: does it make sense to stop on SIGPRIO?
Date: Wed, 05 Jan 2011 18:23:00 -0000 [thread overview]
Message-ID: <4D24B717.1060405@vmware.com> (raw)
In-Reply-To: <20110105072245.GA28888@adacore.com>
Joel Brobecker wrote:
> I've been looking at how we decide what to when we receive a signal.
> We have some code that disables stop&printing for various signals
> because these signals are used as part of normal thread operations.
>
> /* These signals are used internally by user-level thread
> implementations. (See signal(5) on Solaris.) Like the above
> signals, a healthy program receives and handles them as part of
> its normal operation. */
>
> We do the same for other signals, which are not error signals:
>
> /* Signals that are not errors should not normally enter the debugger. */
>
> On LynxOS, changing the priority of a thread automatically causes
> a SIGPRIO signal to be raised. I think that SIGPRIO falls more
> into the second category (not a signal used to indicate an error).
>
> Are there any known situations where we would want a SIGPRIO would
> be indicating something abnormal, or significant enough that we would
> want to stop?
>
> Thanks,
I think it might be peculiar to LynxOS. Most google hits either refer
to gdb or Lynx.
next prev parent reply other threads:[~2011-01-05 18:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-05 7:22 Joel Brobecker
2011-01-05 13:13 ` Mark Kettenis
2011-01-05 13:27 ` Andreas Schwab
2011-01-05 18:23 ` Michael Snyder [this message]
2011-01-05 18:26 ` Michael Snyder
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