[linux-audio-dev] malloc() in RT code considered not-so-harmful?

[Tim Hockin]

On Tue, Jul 13, 2004 at 02:12:21PM +0200, Olivier Guilyardi wrote:
> >2. When your lock-free malloc needs more memory from the OS it will 
> >still take a system call to do it.  I believe I have heard it said in 
> >the past that system calls of any sort are unacceptable in RT code, but 
> >isn't this a bit a of a hard-line position?
> 
> Is msgrcv() unacceptable as well, then ?

If you want to be careful, then yes.  You can ask msgrcv to not block, but
I'd personally double check the kernel code. :)

Tim