Re: How do I raise a thread to realtime priority?

From: Randy.Dunlap <rddunlap_at_osdl.org>
Date: 2004-02-13 10:12:22
On Thu, 12 Feb 2004 16:17:52 -0600 Robin Holt <holt@sgi.com> wrote:

| On Thu, Feb 12, 2004 at 10:08:20PM +0000, Matthew Wilcox wrote:
| > On Thu, Feb 12, 2004 at 03:53:57PM -0600, Robin Holt wrote:
| > > In the 2.4 kernel headers, unistd.h had a _syscall3 that I could
| > > use to make an extern of the sys_sched_setscheduler raise a tasks
| > > priority to realtime.  With 2.6, the _syscall3 has been replaced
| > > with static inlines.  This all seems well.
| > > 
| > > Since sys_sched_setscheduler is not in the unistd.h, should I add
| > > it to unistd.h?  Is there a prefered method for exporting/inlining
| > > syscall entry points?
| > 
| > libc "exports syscall entry points" -- call sched_setscheduler().
| > That works on 2.4 and 2.6.
| 
| Maybe I wasn't clear.  This is a kernel thread that is trying to
| raise priority.

I have patches in progress (in -mm) that add this and other syscalls
to include/linux/syscalls.h (for non-arch-specific) and to
include/asm-*/unistd.h for arch-specific syscalls.

--
~Randy
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Received on Thu Feb 12 18:24:27 2004

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