Re: would a mutex_wait be useful?

[Adam Hamsik <haaaad%gmail.com@localhost>]

Hi,
On Nov,Tuesday 4 2008, at 8:37 AM, Matt Thomas wrote:

> I'd like to be able to do a mutex_enter(9) which could be  
> interruptable.
> If interrupted, it would return the error why it was interrupted.
>
> Maybe called int mutex_wait(kmutex_t *mtx, int ticks); and if ticks  
> == 0
> becomes (mutex_tryenter(mtx) ? 0 : ETIMEOUT).  If tick == -1, means
> wait forever.

I would like to ask what is difference between mutex_wait and  
cv_timedwait.

> mutex_wait would use PCATCH for its sleeps and return EINTR if a  
> signal
> was caught.

Regards

Adam.