Re: [Xenomai-help] rt_task_add_hook() doesnt work

[Philippe Gerum <rpm@xenomai.org>]

Thiago Lima wrote:
> Hi all !
> 
> I need to do some things when a new rt task starts. So that, i need to
> use the 'rt_task_add_hook()', defined in xenomai task management service.
> So, i have created a linux kernel module in which i call this service in
> init_module() function. After that, initialize the module and starts a
> RT Task.
> 
> But, the hook function isnt called. Does anybody have already faced this
> problem ?
>

Start hooks are not fired for userland tasks.

> 
> --------- kernel module simple code -----
> 
> void hook(void *cookie) {
>    printk(KERN_INFO "hook().\n");
> }
> 
> int init_module (void) {
>     rt_task_add_hook(T_HOOK_START, &hook);
>     return 0;
> }
> 
> --------- kernel module simple code -----
> 
> 
> -- 
> Thiago Lima Silva
> Graduando - Ciência da Computação UFBA
> Registered Linux user #466887
> 
> 
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> 
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-- 
Philippe.