From: Daniel Jacobowitz <drow@false.org>
To: Nick Roberts <nickrob@snap.net.nz>
Cc: gdb@sources.redhat.com
Subject: Re: Merge of nickrob-async-20060513 to mainline?
Date: Fri, 06 Oct 2006 03:24:00 -0000 [thread overview]
Message-ID: <20061006032420.GA22658@nevyn.them.org> (raw)
In-Reply-To: <17701.47901.123920.954707@kahikatea.snap.net.nz>
On Fri, Oct 06, 2006 at 03:10:37PM +1300, Nick Roberts wrote:
> Yes I think so. I don't quite follow the explanation of pselect in the manpage
> but I think you're saying that the signal handler for SIGCHLD will run even
> when GDB is already in select, and can get GDB's attention by writing to a
> pipe with a file descriptor that select is watching.
Exactly. Actually, getting the signal may also knock GDB out of the
select syscall; that depends on whether the "SA_RESTART" flag is used.
But you want to rely on the pipe, as there are fewer corner cases.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2006-10-06 3:24 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
2006-10-06 1:26 ` Daniel Jacobowitz
2006-10-06 2:13 ` Nick Roberts
2006-10-06 3:24 ` Daniel Jacobowitz [this message]
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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