static void kthread_init(kthread_context_t *k_ctx)
{
int cpu_affinity_mask, cur_cpu_apic_id;
/* cpuid and kthread_app_func are set by the application
* over kthread (eg. gtthread). */
k_ctx->pid = syscall(SYS_getpid);
k_ctx->tid = syscall(SYS_gettid);
/* For priority co-scheduling */
k_ctx->kthread_sched_timer = ksched_priority;
k_ctx->kthread_sched_relay = ksched_cosched;
/* XXX: kthread runqueue balancing (TBD) */
k_ctx->kthread_runqueue_balance = NULL;
/* Initialize kthread runqueue */
kthread_init_runqueue(&(k_ctx->krunqueue));
cpu_affinity_mask = (1 << k_ctx->cpuid);
sched_setaffinity(k_ctx->tid,sizeof(unsigned long),&cpu_affinity_mask);
sched_yield();
/* Scheduled on target cpu */
k_ctx->cpu_apic_id = kthread_apic_id();
kthread_cpu_map[k_ctx->cpu_apic_id] = k_ctx;
return;
}
/* called at every kthread_create(). Assumes pcs_init() has already been
* called */
void pcs_kthread_init(kthread_t *k_ctx)
{
gt_spin_lock(&scheduler.lock);
pcs_kthread_t *pcs_kthread = pcs_get_kthread(k_ctx);
pcs_kthread->k_ctx = k_ctx;
kthread_init_runqueue(&pcs_kthread->k_runqueue);
pcs_data_t *pcs_data = SCHED_DATA;
pcs_data->pcs_kthread_count++;
gt_spin_unlock(&scheduler.lock);
}
