From: Nick Roberts <nickrob@snap.net.nz>
To: Daniel Jacobowitz <drow@false.org>
Cc: gdb@sources.redhat.com
Subject: Re: Merge of nickrob-async-20060513 to mainline?
Date: Fri, 06 Oct 2006 00:53:00 -0000 [thread overview]
Message-ID: <17701.43098.583849.540224@kahikatea.snap.net.nz> (raw)
In-Reply-To: <20060926123757.GA9879@nevyn.them.org>
> Ideally you'd be able to reuse the signal handler logic (see the calls
> to sigprocmask and sigsuspend) and thus not have a millisecond latency
> and excessive spinning. That's actually a pretty important feature,
> because context switching to gdb every millisecond or so is going to
> really hurt performance of the debuggee.
From the event loop, GDB needs to detect that a process/thread has changed
status and check for user input. If it does the first with sigsuspend, the
only way I can see how it can do the second is by using threads. This would
almost take us back to where we started.
--
Nick http://www.inet.net.nz/~nickrob
next prev parent reply other threads:[~2006-10-06 0:53 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-30 2:27 Nick Roberts
2006-08-30 2:33 ` Daniel Jacobowitz
2006-08-30 3:21 ` Nick Roberts
2006-08-30 4:01 ` Daniel Jacobowitz
2006-08-30 12:31 ` Eli Zaretskii
2006-08-30 21:34 ` Nick Roberts
2006-08-30 21:43 ` Daniel Jacobowitz
2006-08-30 23:45 ` Nick Roberts
2006-09-26 8:41 ` Nick Roberts
2006-09-26 12:38 ` Daniel Jacobowitz
2006-09-26 22:12 ` Nick Roberts
2006-09-26 22:24 ` Daniel Jacobowitz
2006-09-26 23:40 ` Nick Roberts
2006-09-29 1:50 ` Nick Roberts
2006-10-06 0:53 ` Nick Roberts [this message]
2006-10-06 1:26 ` Daniel Jacobowitz
2006-10-06 2:13 ` Nick Roberts
2006-10-06 3:24 ` Daniel Jacobowitz
2006-10-08 3:46 ` Nick Roberts
2006-10-09 18:00 ` async implies sync, was " Michael Snyder
2006-10-09 20:28 ` async implies sync Nick Roberts
2006-08-31 21:03 ` Merge of nickrob-async-20060513 to mainline? Mark Kettenis
2006-08-31 21:49 ` Nick Roberts
2006-08-31 22:29 ` Daniel Jacobowitz
2006-08-31 22:40 ` Nick Roberts
2006-08-31 22:53 ` Michael Snyder
2006-08-31 23:33 ` Nick Roberts
2006-08-31 23:37 ` Daniel Jacobowitz
2006-08-31 23:59 ` Jim Ingham
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