The code for the first module is:
-----------------
#include<rtl_time.h>
#include<rtl.h>
#include <pthread.h>
#include "test1.h" //header file where the function
test() is defined.
pthread_t mytask;
void *onoff(void *t)
{
while (1)
{
test(); // call upon the function in the second
module
pthread_wait_np();
}
}
int init_module(void)
{
int s_create;
hrtime_t now=gethrtime();
s_create=pthread_create(&mytask, NULL,onoff,(void*)
0);
if (s_create)
{ rtl_printf("Failed to create a thread\n\t
cause: %d\n",s_create);
return s_create; }
pthread_make_periodic_np(mytask,now+2*NSECS_PER_SEC,NSECS_PER_SEC);
return 0;
}
void cleanup_module(void)
{ pthread_delete_np(mytask);}
------------------
and the code for the second module:
---------
#include<rtl.h>
void test(void)
{
static int i=0;
while (1)
{ rtl_printf("%d ",i);
i++;
}
}
----------
I was expecting the second module(test()) to be called
from the first module every second (NSECS_PER_SEC). It
does nothing but printing on the screen a number. No
need to say that this is only a test program.
Both files are compiled by using make (rtl.mk). I can
load the first model although it obviously does
nothing. however when I try to load the second module
the computer crashes.
I also compiled both files into a single object file
and tried to load it. But I get the following errors
unresolved symbol main
unresolved symbol rtl_printf
unresolved symbol gethrtime
... and some more.
I hope this makes things clearer.
thanks
Kanta
--- Karim Yaghmour <[EMAIL PROTECTED]> wrote: >
> What you are asking for is very feasible. Actually,
> this is how both
> RTLinux and RTAI provide their services. That said,
> the information
> you provide is insufficient if one wants to give an
> adequate diagnosis.
>
> Could you show some code ... ?
>
> Kanta wrote:
> >
> > Hi there
> > is it possible at all to load two different
> modules
> > and call functions of module1.o from module2.o.
> That
> > is, module1 only has functions that are to be used
> in
> > module2 but not the init_module and cleanup_module
> > functions, which are defined in module2. I have
> tried
> > to do this: I loaded module1 without problems but
> on
> > loading module2 the computer crashed.
> >
> > thanks
> > Kanta
> >
> >
>
____________________________________________________________
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> [EMAIL PROTECTED] OR
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> > ---
> > For more information on Real-Time Linux see:
> > http://www.rtlinux.org/rtlinux/
>
> --
> ===================================================
> Karim Yaghmour
> [EMAIL PROTECTED]
> Operating System Consultant
> (Linux kernel, real-time and distributed systems)
> ===================================================
> -- [rtl] ---
> To unsubscribe:
> echo "unsubscribe rtl" | mail [EMAIL PROTECTED]
> OR
> echo "unsubscribe rtl <Your_email>" | mail
> [EMAIL PROTECTED]
> ---
> For more information on Real-Time Linux see:
> http://www.rtlinux.org/rtlinux/
>
____________________________________________________________
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Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk
or your free @yahoo.ie address at http://mail.yahoo.ie
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---
For more information on Real-Time Linux see:
http://www.rtlinux.org/rtlinux/
