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Screen Saver affects processing? (Real Studio network user group Mailinglist archive)

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Screen Saver affects processing?   -   Rubber Chicken Software Co.
  Re: Screen Saver affects processing?   -   Norman Palardy
  Re: Screen Saver affects processing?   -   Andrew Keller
  Re: Screen Saver affects processing?   -   Bart Alcorn
   Re: Screen Saver affects processing?   -   Fargo Holiday

Screen Saver affects processing?
Date: 29.07.08 05:44 (Mon, 28 Jul 2008 23:44:05 -0500)
From: Rubber Chicken Software Co.
I have a client that made an observation to me:

He was running my app on a Mac to convert some files (that's what I
app does), and he left for the weekend. (I didn't know my app was
that boring!!!)

He came back and the program was STILL converting. It was a small job.

He then told me that his screen saver was running and it halted processing.

My app (RB) takes care of most interfacing things, but the core of my
app is in a dylib. The dylib takes the main calls in a separate
thread then the app thread. The dylib does the lengthy conversion
code, so the screen saver is "pausing" the dylib processing.

I realized that I know nothing about how the app should perform when
the screen saver is running.

Any answers, and how to avoid this?

* * * * * * * * * * * * * * * * * * * * * * * * * * *
| Garth Hjelte |
| Customer Service Representative, President |
| Chicken Systems, Inc, Rubber Chicken Software Co. |
| 714 5th Street SE |
| Willmar, MN 56201 USA |
| |
| 800-8-PRO-EPS Toll Free Order Line (US Only) |
| 320-235-9798 Tech Support, Sampler Questions |
| International Line |
| 360-838-7689 Fax |
| Product Sales: <email address removed> |
| Product Support: <email address removed> |
| Sampler Q+A: <email address removed> |
| Web Page: www.chickensys.com |
* * * * * * * * * * * * * * * * * * * * * * * * * * *

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Re: Screen Saver affects processing?
Date: 29.07.08 15:47 (Tue, 29 Jul 2008 08:47:31 -0600)
From: Norman Palardy

On 28-Jul-08, at 10:44 PM, Rubber Chicken Software Co. wrote:

> I have a client that made an observation to me:
>
> He was running my app on a Mac to convert some files (that's what I
> app does), and he left for the weekend. (I didn't know my app was
> that boring!!!)
>
> He came back and the program was STILL converting. It was a small job.
>
> He then told me that his screen saver was running and it halted
> processing.
>
> My app (RB) takes care of most interfacing things, but the core of
> my app is in a dylib. The dylib takes the main calls in a separate
> thread then the app thread. The dylib does the lengthy conversion
> code, so the screen saver is "pausing" the dylib processing.
>
> I realized that I know nothing about how the app should perform
> when the screen saver is running.
>
> Any answers, and how to avoid this?

Your application can make it so the screen saver does not kick in
while your app is running

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Re: Screen Saver affects processing?
Date: 29.07.08 18:34 (Tue, 29 Jul 2008 13:34:57 -0400)
From: Andrew Keller
On Jul 29, 2008, at 12:44 AM, Rubber Chicken Software Co. wrote:
> <snip />

> He then told me that his screen saver was running and it halted
> processing.

How is he so sure that the screen saver halted processing?

Things may slow down because some screen savers are a bit processor
intensive, but your processes shouldn't all out stop when the screen
saver activates. Not unless that's your intended operation.

I've been doing a lot of work with distributed computing, and my gut
feeling is that that's weird. How much of your dylib did you write
yourself? What language is it in?

- Andrew Keller

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Re: Screen Saver affects processing?
Date: 29.07.08 19:37 (Tue, 29 Jul 2008 14:37:04 -0400)
From: Bart Alcorn
On Tue, Jul 29, 2008 at 12:44 AM, Rubber Chicken Software Co. <
<email address removed>> wrote:

> He came back and the program was STILL converting. It was a small job.
>
> He then told me that his screen saver was running and it halted processing.


Are we certain his machine didn't go to Sleep, as opposed to simply going
into Screen Saver Mode?

Sleep would definitely stop processing.
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Re: Screen Saver affects processing?
Date: 29.07.08 20:14 (Tue, 29 Jul 2008 12:14:47 -0700)
From: Fargo Holiday
Bart Alcorn wrote:
> On Tue, Jul 29, 2008 at 12:44 AM, Rubber Chicken Software Co. <
> <email address removed>> wrote:
>
>> He came back and the program was STILL converting. It was a small job.
>>
>> He then told me that his screen saver was running and it halted processing.
>
> Are we certain his machine didn't go to Sleep, as opposed to simply going
> into Screen Saver Mode?
>
> Sleep would definitely stop processing.

That would happen to my old iMac while processing updates sometimes.
Most frustrating.

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