static void
mailbox_destroy(struct mailbox *mbox)
{
struct message *msg;
while ((msg = VSTAILQ_FIRST(&mbox->messages))) {
VSTAILQ_REMOVE_HEAD(&mbox->messages, list);
free(msg);
}
pthread_cond_destroy(&mbox->has_mail);
pthread_mutex_destroy(&mbox->lock);
}
static struct message *
mailbox_get(struct mailbox *mbox)
{
struct message *msg;
pthread_mutex_lock(&mbox->lock);
while ((msg = VSTAILQ_FIRST(&mbox->messages)) == NULL && mbox->open)
pthread_cond_wait(&mbox->has_mail, &mbox->lock);
if (msg != NULL)
VSTAILQ_REMOVE_HEAD(&mbox->messages, list);
pthread_mutex_unlock(&mbox->lock);
return (msg);
}
exp_thread(struct worker *wrk, void *priv)
{
struct objcore *oc;
double t = 0, tnext = 0;
struct exp_priv *ep;
unsigned flags = 0;
CAST_OBJ_NOTNULL(ep, priv, EXP_PRIV_MAGIC);
ep->wrk = wrk;
VSL_Setup(&ep->vsl, NULL, 0);
ep->heap = binheap_new(NULL, object_cmp, object_update);
AN(ep->heap);
while (1) {
Lck_Lock(&ep->mtx);
oc = VSTAILQ_FIRST(&ep->inbox);
CHECK_OBJ_ORNULL(oc, OBJCORE_MAGIC);
if (oc != NULL) {
assert(oc->refcnt >= 1);
VSTAILQ_REMOVE(&ep->inbox, oc, objcore, exp_list);
VSC_C_main->exp_received++;
tnext = 0;
flags = oc->exp_flags;
if (flags & OC_EF_REMOVE)
oc->exp_flags = 0;
else
oc->exp_flags &= OC_EF_REFD;
} else if (tnext > t) {
VSL_Flush(&ep->vsl, 0);
Pool_Sumstat(wrk);
(void)Lck_CondWait(&ep->condvar, &ep->mtx, tnext);
}
Lck_Unlock(&ep->mtx);
t = VTIM_real();
if (oc != NULL)
exp_inbox(ep, oc, flags);
else
tnext = exp_expire(ep, t);
}
NEEDLESS(return NULL);
}
