| |
In lugnet.robotics.rcx.legos, John A. Tamplin writes:
> On Fri, 21 Dec 2001, Michael Obenland wrote:
>
> > > When using LegOS (a most excellent creation, btw) is it possible to store a
> > > value and use it in different programs?
> >
> > What you request is shared memory and shared memory is not a part of legOS. My
> > way to simulate shared mem is to put the two (or more) tasks into one legOS
> > program. Each task is started as a thread by an execi() call, triggered by the
> > user via the remote control.
> >
> > Is someone out there working on a legOS memory pool implementation??
>
> As there is no memory management, any memory not on the stack is by
> definition shared between any threads. Concurrency control is up to you
> however.
It was suggested by some of my 'c++' co-workers that this was the case
(shared memory was available). However, I don't deal with that in my Visual
Basic world.
They also suggested there were 'unused' memory blocks in LegOS where data
could be stored. I just need to store a couple light values.
SO... how do I do that? (I need commands here!)
Thanks for the help
Steve
|
|
Message has 1 Reply:
 | | How to make shared memory....not
|
| (...) You ask for it, you get it. BUT: It works, sort of. It will not survive any multitasking problems. Shared memory has to be handled by the OS, not by a user program. I split your problem to 3 programs. Program 1 allocates the memory and prints (...) (23 years ago, 22-Dec-01, to lugnet.robotics.rcx.legos)
|
Message is in Reply To:
| | Re: Storing Data
|
| (...) As there is no memory management, any memory not on the stack is by definition shared between any threads. Concurrency control is up to you however. John A. Tamplin jat@jaet.org 770/436-5387 HOME 4116 Manson Ave 770/431-9459 FAX Smyrna, GA (...) (23 years ago, 21-Dec-01, to lugnet.robotics.rcx.legos)
|
11 Messages in This Thread:
  
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
This Message and its Replies on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
