From: Houder <houder@xs4all.nl>
To: cygwin@cygwin.com
Subject: Re: Signal delivered while blocked (2)
Date: Mon, 14 Aug 2017 08:36:00 -0000 [thread overview]
Message-ID: <3b48072dd1f4f1931dd7bb8b4bfc701b@xs4all.nl> (raw)
In-Reply-To: <8f7f7f8ae098c1321f608645c750cae4@smtp-cloud7.xs4all.net>
On 2017-08-14 08:03, Houder wrote:
> On Fri, 4 Aug 2017 00:44:45, Noah Misch wrote:
>> --UugvWAfsgieZRqgk
>> Content-Type: text/plain; charset=us-ascii
>> Content-Disposition: inline
>>
>> The attached demonstration program blocks signals (with sigprocmask())
>> to
>> achieve mutual exclusion between signal handlers. It aborts upon
>> receipt of a
>> blocked signal. On "CYGWIN_NT-10.0 2.7.0(0.306/5/3) 2017-02-12 13:18
>> x86_64",
>> signals regularly arrive despite being blocked. Essential parts of
>> the
>> program include handling two signal numbers and having handlers run
>> for at
>> least 1-2ms; this problem goes away if I remove one of those
>> attributes.
>> GNU/Linux, AIX, Solaris, and "CYGWIN_NT-6.0 1.7.27(0.271/5/3)
>> 2013-12-09 11:57
>> i686" never deliver a blocked signal to this program. I think this
>> Cygwin
>> behavior is non-conforming.
>
> Hi Noah,
>
> I do not think that Cygwin is the problem here; your code is the
> problem
> here, I believe.
[snip]
> You cannot use SIG_SETMASK in that context.
You cannot use SIG_SETMASK in that context in the way you do.
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next prev parent reply other threads:[~2017-08-14 8:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-04 7:45 Signal delivered while blocked Noah Misch
2017-08-04 17:02 ` Corinna Vinschen
2017-08-04 18:58 ` Kaz Kylheku
2017-08-05 6:40 ` Noah Misch
2017-08-14 6:03 ` Houder
2017-08-14 8:36 ` Houder [this message]
2017-08-19 8:01 ` Noah Misch
2017-08-20 12:18 ` Houder
2017-08-20 16:16 ` Noah Misch
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