Hi, People
I´m coming back to RTLinux. Now with some experience.
Can Anybody tell me/explain to me how the scheduler work?
I understand that each time that a thread is going to execute, the
scheduler programs one of the 8253 timer. What for? For generating an
interrupt. Isn´t it?
And so, what is
Hi
As a newbie user of RTLinux, i´m continuosly finding questions that i
can´t answer myself, so i came back to the list. Perhaps, some of them
sound stupid, I would like to apollogize in advance
Some days ago i posted a questions that had to do with RT_TASK and
threads.
The questions intended t
Thanks Philip.
Then it isn´t possible that a high priority task interrupt the work is doing a
low priority task.??? I mean, without hardware interrupts.
So, the designer of the system must know at any moment what he want to do. There
is not any posibility of having an error in the design. If you
Hi everybody
Thanks Bernhard
It´s clear. You said
With RTL, "real time tasks" have more in common with "threads"
than with "processes" since they run in the same address space.
(as like "kernel-threads" a running in the same address space
as the kernel itself).
This answer my question, but ...
Hi people
I need the use of semaphores inside the RT kernel to do some tests.
1) First I would know if there is some primitives done?? I didn´t find
any.
2) Can I implement a semaphore in a simple way? Have you got an idea?
3) I´m trying to compile the semaphore module that comes with the
rtli
Thanks for all of your suggestions.
I understood that i can put any kind of data into fifos by use of cast.
So I get the time in the module by means of function gethrtime and i
pass it to the fifo.OK? In fact the structure hrtime_t is defined as
long long so ...
>From the linux app how can I ma