Re: [RFD w/info-PATCH] device arguments from lookup, partion code
Matthew Wilcox (matthew@wil.cx)
Tue, 22 May 2001 16:38:30 +0100
On Tue, May 22, 2001 at 04:31:37PM +0100, Alan Cox wrote:
> > `the class of devices in question' was cryptographic devices, and possibly
> > other transactional DSPs. I don't consider audio to be transactional.
> > in any case, you can do transactional things with two threads, as long
> > as they each have their own fd on the device. Think of the fd as your
> > transaction handle.
>
> Thats a bit pathetic. So I have to fill my app with expensive pthread locks
> or hack all the drivers and totally change the multi-open sematics in the ABI
huh?
void thread_init(void) {
int fd = open("/dev/crypto");
real_thread_init(fd);
}
where was that lock again?
and notice this idea is only for transactional things -- what
transactional things do sound drivers do?
--
Revolutions do not require corporate support.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/