Re: server(1/3): Use kernel support for process affinity when available

[Alexandre Julliard]

Juan Lang <juan.lang(a)gmail.com> writes:
> +static void get_process_affinity( struct process *process )
> +{
> +    affinity_t affinity = ~0;
> +
> +#ifdef HAVE_SCHED_H
> +    if (process->unix_pid != -1)
> +    {
> +        cpu_set_t set;
> +
> +        CPU_ZERO( &set );
> +        if (!sched_getaffinity( process->unix_pid, sizeof(set), &set ))

You should add a configure check for sched_getaffinity, having sched.h
is not enough.
> @@ -403,6 +432,7 @@ data_size_t init_process( struct thread *thread )
>      struct process *process = thread->process;
>      struct startup_info *info = process->startup_info;
>
> +    get_process_affinity( process );

You should retrieve it as needed. Most apps don't have any need for that
information so we don't want to incur the cost of fetching it for every
started process.

-- 
Alexandre Julliard
julliard(a)winehq.org