> What is the most efficient way to wait for a device interrupt from
> userland, if you control both the device driver and the application?
> SysV semaphore? Signal?
How about a wait queue? You can put the process to sleep in something like
select/poll and wake it from your ISR.
-bp
-- # bryan at terran dot org # http://www.terran.org/~bryan
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/