279 // an is_unloading nmethod. Any nmethodBucket entries observed from the original head

   279 // an is_unloading nmethod. Any nmethodBucket entries observed from the original head

   280 // that is_unloading() will be unlinked and placed on the purge list.

   280 // that is_unloading() will be unlinked and placed on the purge list.

   281 nmethodBucket* DependencyContext::dependencies_not_unloading() {

   281 nmethodBucket* DependencyContext::dependencies_not_unloading() {

   282   for (;;) {

   282   for (;;) {

   283     // Need acquire becase the read value could come from a concurrent insert.

   283     // Need acquire becase the read value could come from a concurrent insert.

   285     if (head == NULL || !head->get_nmethod()->is_unloading()) {

   285     if (head == NULL || !head->get_nmethod()->is_unloading()) {

   286       return head;

   286       return head;

   287     }

   287     }

   288     nmethodBucket* head_next = head->next();

   288     nmethodBucket* head_next = head->next();

   289     OrderAccess::loadload();

   289     OrderAccess::loadload();