[ECOS] cyg_drv_cond_signal() problem

[Nick Garnett]

"Gary Chan" <gary.chan@email.com> writes:

> Hi,
> 
> Dose anyone know what happen if I have a call to cyg_drv_cond_signal in ISR?

Yes. You are likely to corrupt the scheduler.

> 
> My program call the serial callback function "data_rcv_done" in isr
> and I found that this funcion will call cyg_drv_cond_signal which is
> not allowed to call from ISR.
>

You should only call data_rcv_done() from the DSR. Look at any of the
existing serial device drivers for how this function is used.


-- 
Nick Garnett, eCos Kernel Architect
Red Hat, Cambridge, UK


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