Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
Message-ID:	<00aa01c50e24$9c2921c0$e6ec6f83@robinson.cam.ac.uk>
From:	"Max Bowsher" <maxb AT ukf DOT net>
To:	<cygwin AT cygwin DOT com>
References:	<030901c50e1d$51a22b30$e6ec6f83 AT robinson DOT cam DOT ac DOT uk> <Pine DOT CYG DOT 4 DOT 58 DOT 0502081437580 DOT 1356 AT fordpc DOT vss DOT fsi DOT com> <002201c50e1f$943c9320$e6ec6f83 AT robinson DOT cam DOT ac DOT uk> <Pine DOT CYG DOT 4 DOT 58 DOT 0502081458380 DOT 1356 AT fordpc DOT vss DOT fsi DOT com>
Subject:	Re: Problem with alarm() not functioning twice in one program.
Date:	Tue, 8 Feb 2005 21:24:40 -0000
MIME-Version:	1.0
X-Cam-ScannerInfo:	http://www.cam.ac.uk/cs/email/scanner/
X-Cam-AntiVirus:	No virus found
X-Cam-SpamDetails:	Not scanned
X-IsSubscribed:	yes
Note-from-DJ:	This may be spam

Brian Ford wrote:
> On Tue, 8 Feb 2005, Max Bowsher wrote:
>> Brian Ford wrote:
>>> On Tue, 8 Feb 2005, Max Bowsher wrote:
>>>> The following program produces the output:
>>>>
>>>> Begin
>>>> Done
>>>> Begin
>>>> ...and then hangs.
>>>>
>>>> Can anyone help me understand why?
>>>>
>>> http://www.cygwin.com/ml/cygwin/2004-10/msg00598.html
>>
>> Ah, OK.
>>
>> So are you saying "SIGALRM has been entered, but has not returned, so the
>> signal handling code won't try to enter it again" ?
>
> SIGALRM has been blocked upon entry to the signal handling routine.
> Since you long jumped out of it, it's still blocked.
>
> Did you follow that thread through to the end?

No, I assumed you were pointing to a specific message.

> Maybe I should have quoted
> this instead:
>
> http://www.cygwin.com/ml/cygwin/2004-10/msg00606.html

Very helpful, thanks.

Max.


--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -