Re: real POSIX.1b semaphores

Alan Cox (
Wed, 20 Nov 1996 19:51:55 +0000 (GMT)

> Unfortunately there are not many security consideration in the POSIX
> semaphores. Either they are process local or they are available
> for any process. I read the section about semaphores twice and
> found no sign for protection.

I think thats fair enough. In a realtime environment you generally trade
everything for response. There are very few high security real time
systems except specialist ones.