Re: [rtl] rtai_rtl_newfifos package in NMT rtlinux-2.0

[yodaiken@fsmlabs.com]

On Mon, Nov 22, 1999 at 06:01:30PM +0900, Sung-Gwan Heo wrote:
> Hi.
> 
> As Steve Papacharalambous indicated in earlier mail, 
> Jerry Epplin's rt_ipc package seems not to be ported to NMT 
> rtlinux-2.0 (though rt_ipc package is included in rtlinux-2.0pre6) 

Last I checked, Jerry's packet did run in uniprocesor 2.0 but it
has not been made SMP safe. 

> and Steve's rtai_rtl_newfifos package is the only IPC package
> available for rtlinux-2.0 now.

It's great that Steve's package is available. We will add native
mutex in the next minor release but it would be nice if 
the rtai new fifos package could be put in a compatability mode. 


> Second, is it natually impossible to use blocking services
> (e.g. rtf_sem_wait and rtf_sem_timed_wait, etc) in kernel module? 
> It may be neccesary in many real-time application. 

Can you provide an example? The problem here is that you want a Linux
operation to block a real-time operation. 


--- [rtl] ---
To unsubscribe:
echo "unsubscribe rtl" | mail majordomo@rtlinux.cs.nmt.edu OR
echo "unsubscribe rtl <Your_email>" | mail majordomo@rtlinux.cs.nmt.edu
----
For more information on Real-Time Linux see:
http://www.rtlinux.org/~rtlinux/