int sc_ctl_call(sc *s, uint64_t vlsn)
{
int rc = sr_statusactive(s->r->status);
if (ssunlikely(rc == 0))
return 0;
scworker *w = sc_workerpool_pop(&s->wp, s->r);
if (ssunlikely(w == NULL))
return -1;
rc = sc_step(s, w, vlsn);
sc_workerpool_push(&s->wp, w);
return rc;
}
static void*
se_worker(void *arg)
{
ssthread *self = arg;
se *e = self->arg;
ss_thread_setname(self, "worker");
ss_vfsioprio_low(&e->vfs);
scworker *w = sc_workerpool_pop(&e->scheduler.wp, &e->r);
if (ssunlikely(w == NULL))
return NULL;
for (;;)
{
int rc = se_active(e);
if (ssunlikely(rc == 0))
break;
rc = sc_step(&e->scheduler, w, sx_vlsn(&e->xm));
if (ssunlikely(rc == -1))
break;
if (ssunlikely(rc == 0))
ss_sleep(10000000); /* 10ms */
}
sc_workerpool_push(&e->scheduler.wp, w);
return NULL;
}
