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Re: would a mutex_wait be useful?

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.

Where/when do you need interruptible mutex?

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

That does not sound like a good API. If specific synchronisation is needed,
I think wrappers with mutex_tryenter() could be used for that.

Best regards,

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