Subject: Re: select() vs poll vs Posix.4 Real Time (RT) signals paper
To: Jaromir Dolecek <>
From: Perry E. Metzger <>
List: tech-kern
Date: 10/17/2001 17:06:14
Jaromir Dolecek <> writes:
> Really, having support for RT signals is needed for more than just
> API compatibility. It's pretty much required building block for
> other, more useful POSIX.4 RT extensions, like AIO or message
> queues.  There are places where RT signals are clear win, compared
> with 'classic' unreliable context-free signals at least.

RT signals are also unreliable. The queues can overflow.

Perry E. Metzger
NetBSD Development, Support & CDs.