This is a discussion on Re: [PATCH] linux get affinity syscall - FreeBSD ; On Mon, Mar 03, 2008 at 02:23:49AM -1000, Jeff Roberson wrote: > > On Sun, 2 Mar 2008, Roman Divacky wrote: > > >hi.. > > > >jeff commited his cpu set and I tried to map that to linuxulator ...
On Mon, Mar 03, 2008 at 02:23:49AM -1000, Jeff Roberson wrote:
> On Sun, 2 Mar 2008, Roman Divacky wrote:
> >jeff commited his cpu set and I tried to map that to linuxulator
> >version of linux_sched_getaffinity(), the current (untested) code
> >looks like this:
> >* Get affinity of a process
> >linux_sched_getaffinity(struct thread *td,
> > struct linux_sched_getaffinity_args *args)
> > int error;
> > struct cpuset_getaffinity_args cga;
> > if (args->len < sizeof(cpumask_t))
> > return (EINVAL);
> Len here is in number of bits I believe as it is for our cpusetsize.
no.. its specified in bytes
> > cga.level = CPU_LEVEL_WHICH;
> > cga.which = CPU_WHICH_PID;
> > cga.id = args->pid;
> > cga.cpusetsize = sizeof(cpumask_t) * NBBY;
> > cga.mask = (long *) args->user_mask_ptr;
> Our call will accept larger values and zero fill any bits we don't use.
> It should be safe to pass the original len.
ok.. will do it like that
thnx for the comments, can anyone test the stuff? (I have access
to UP only ATM)
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