A Windows 10 WTF

J. Landman Gay jacque at hyperactivesw.com
Thu Dec 26 14:16:13 EST 2019

It may be the issue with repeat loops that do not yield to the engine 
periodically. This was an issue all the way back to MetaCard and I am 
not sure if it has been changed since then.

Basicaly, running a lengthy repeat loop locks up the entire CPU until 
the loop exits. If this is the problem then it isn't just your 
standalone that comes to a halt, it's everything currently running on 
the machine.

The first couple of paragraphs here describe the problem:

On 12/24/19 1:04 PM, Tom Glod via use-livecode wrote:
> Hi Peter, thanks, you are right the wait command does eliminate the window
> lock up.... but my question was more so about why the Livecode IDE (with
> open file A)...seems forced to share the same cpu core with Standalone of
> file A.... and if anyone else has come across that before....they lock up
> in tandem...when the OS should be designating cores more intelligently than
> that. *shrug*
> On Tue, Dec 24, 2019 at 5:51 AM Peter Reid via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>> Hi Tom
>> I'm not sure about Windows 10 behaviour but I had a similar problem with
>> Windows 7. It seemed that my LC app was not releasing the processor long
>> enough to handle basic user I/O. The solution was to add the following to
>> all my tight loops:
>>          wait 0 milliseconds with messages
>> The 'with messages' is the key element, this made the LC app hand back
>> control to Windows to handle other system activities. I add this line to
>> all my loops when running under Windows. Give this a try and let me know
>> whether this helps.
>> Peter
>> --
>> Peter Reid
>> Loughborough, UK
>>> On 23 Dec 2019, at 5:00pm, use-livecode-request at lists.runrev.com wrote:
>>> Date: Mon, 23 Dec 2019 10:42:31 -0500
>>> From: Tom Glod <tom at makeshyft.com <mailto:tom at makeshyft.com>>
>>> To: How to use LiveCode <use-livecode at lists.runrev.com <mailto:
>> use-livecode at lists.runrev.com>>
>>> Subject: a windows 10 wtf
>>> Message-ID:
>>>        <
>> CAPzQJL+5Oej4SteQR702aW2LYx-qtH25oc8phkn_sMm94jf3hA at mail.gmail.com
>> <mailto:CAPzQJL+5Oej4SteQR702aW2LYx-qtH25oc8phkn_sMm94jf3hA at mail.gmail.com
>>> Content-Type: text/plain; charset="UTF-8"
>>> Hi Peeeps,
>>> So I have a standalone running 24/7 that was built with LiveCode.
>>> When I use Livecode the IDE to work on the application (that I am also
>>> running as a standalone), and the IDE locks up for whatever
>> reason...being
>>> busy or whatever..... my standalone application also locks up (window
>>> become unresponsive).  As soon as the IDE is responsive again, so is my
>>> standalone window.
>>> I have a 4 core machine...and nothing else seems to be locking up....
>> just
>>> the IDE and the standalone.
>>> Why is the OS insisting on the 2 processes sharing a core?
>>> Has anyone come across this before?
>>> Happy Holidays and Merry Christmas to all those who celebrate it.
>>> --
>>> Tom Glod
>>> Founder & Developer
>>> MakeShyft R.D.A (www.makeshyft.com <http://www.makeshyft.com/>)
>>> Office:226-706-9339
>>> Mobile:226-706-9793
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Jacqueline Landman Gay         |     jacque at hyperactivesw.com
HyperActive Software           |     http://www.hyperactivesw.com

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