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Date:	Sun, 21 Jun 2015 20:28:49 -0400
Message-ID:	<CAH5rLZXFxbVs-Ni=r9O0sBOmdQbxn8rz27oAPq+f1EbmM1Vi_w@mail.gmail.com>
Subject:	Re: gdb arbitrarily starting threads
From:	"William M. (Mike) Miller" <william DOT m DOT miller AT gmail DOT com>
To:	cygwin AT cygwin DOT com
Cc:	Eli Zaretskii <eliz AT gnu DOT org>
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On Sun, Jun 21, 2015 at 3:29 PM, Ken Brown <kbrown AT cornell DOT edu> wrote:
> On 6/20/2015 4:51 PM, William M. (Mike) Miller wrote:
>>
>> On Sat, Jun 20, 2015 at 4:42 PM, Ken Brown <kbrown AT cornell DOT edu> wrote:
>>>
>>> On 6/20/2015 4:02 PM, William M. (Mike) Miller wrote:
>>>>
>>>>
>>>> Thanks for the reply.  My concern, however, isn't that new threads are
>>>> being created; it's that when gdb does this, it sets the state of all
>>>> threads, including my main thread, to "(running)" so that I can't
>>>> single-step through my program any more.  If I try to say "next", I
>>>> get the error:
>>>>
>>>>       Cannot execute this command while the selected thread is running.
>>>>
>>>> But I did nothing overt to start my thread.
>>>>
>>>> It never used to do this, but it happens regularly now.
>
>
> Eli Zaretskii has asked me to pass on the following information:
>
> On 6/21/2015 2:43 PM, Eli Zaretskii wrote:
>> Please point the people discussing this on the Cygwin list to these 2
>> threads on GDB mailing lists:
>>
>>    https://sourceware.org/ml/gdb/2015-03/msg00024.html
>>    https://sourceware.org/ml/gdb/2015-06/msg00005.html
>>    https://sourceware.org/ml/gdb-patches/2015-06/msg00215.html
>>
>> Bottom line: (1) it happens on Windows 7, not just on 8.1; (2) it
>> happens in the MinGW build of GDB, and so is not specific to threads
>> started by Cygwin for its own purposes; (3) it will most probably be
>> solved soon, since it is currently blocking the release of the
>> upcoming GDB 7.10.
>
> Please keep Eli in the CC on any replies since he is not subscribed to the
> Cygwin list.

Thanks to Eli for the work on tracking this down!  It certainly is
annoying, so I'll definitely keep my eye out for a 7.10 announcement.
Thanks for the info.

-- 
William M. (Mike) Miller | Edison Design Group
william DOT m DOT miller AT gmail DOT com

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