void erts_lc_require_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags,
char *file, unsigned int line)
{
erts_lc_locked_locks_t *l_lcks = make_my_locked_locks();
erts_lc_locked_lock_t *l_lck = l_lcks->locked.first;
if (!find_lock(&l_lck, lck))
required_not_locked(l_lcks, lck);
l_lck = new_locked_lock(lck, op_flags, file, line);
if (!l_lcks->required.last) {
ASSERT(!l_lcks->required.first);
l_lck->next = l_lck->prev = NULL;
l_lcks->required.first = l_lcks->required.last = l_lck;
}
else {
erts_lc_locked_lock_t *l_lck2;
ASSERT(l_lcks->required.first);
for (l_lck2 = l_lcks->required.last;
l_lck2;
l_lck2 = l_lck2->prev) {
if (l_lck2->id < lck->id
|| (l_lck2->id == lck->id && l_lck2->extra < lck->extra))
break;
else if (l_lck2->id == lck->id && l_lck2->extra == lck->extra)
require_twice(l_lcks, lck);
}
if (!l_lck2) {
l_lck->next = l_lcks->required.first;
l_lck->prev = NULL;
l_lcks->required.first->prev = l_lck;
l_lcks->required.first = l_lck;
}
else {
l_lck->next = l_lck2->next;
if (l_lck->next) {
ASSERT(l_lcks->required.last != l_lck2);
l_lck->next->prev = l_lck;
}
else {
ASSERT(l_lcks->required.last == l_lck2);
l_lcks->required.last = l_lck;
}
l_lck->prev = l_lck2;
l_lck2->next = l_lck;
}
}
}
void erts_lc_require_lock_flg(erts_lc_lock_t *lck, erts_lock_options_t options,
char *file, unsigned int line)
{
lc_thread_t *thr = make_my_locked_locks();
lc_locked_lock_t *ll = thr->locked.first;
if (!find_lock(&ll, lck))
required_not_locked(thr, lck);
ll = new_locked_lock(thr, lck, options, file, line);
if (!thr->required.last) {
ASSERT(!thr->required.first);
ll->next = ll->prev = NULL;
thr->required.first = thr->required.last = ll;
}
else {
lc_locked_lock_t *l_lck2;
ASSERT(thr->required.first);
for (l_lck2 = thr->required.last;
l_lck2;
l_lck2 = l_lck2->prev) {
if (l_lck2->id < lck->id
|| (l_lck2->id == lck->id && l_lck2->extra < lck->extra))
break;
else if (l_lck2->id == lck->id && l_lck2->extra == lck->extra)
require_twice(thr, lck);
}
if (!l_lck2) {
ll->next = thr->required.first;
ll->prev = NULL;
thr->required.first->prev = ll;
thr->required.first = ll;
}
else {
ll->next = l_lck2->next;
if (ll->next) {
ASSERT(thr->required.last != l_lck2);
ll->next->prev = ll;
}
else {
ASSERT(thr->required.last == l_lck2);
thr->required.last = ll;
}
ll->prev = l_lck2;
l_lck2->next = ll;
}
}
}
