53     StringDedup::parallel_unlink(&_dedup_closure, worker_id);
  54   }
  55 }
  56 
  57 CodeCacheUnloadingTask::CodeCacheUnloadingTask(uint num_workers, BoolObjectClosure* is_alive, bool unloading_occurred) :
  58   _unloading_scope(is_alive),
  59   _unloading_occurred(unloading_occurred),
  60   _num_workers(num_workers),
  61   _first_nmethod(NULL),
  62   _claimed_nmethod(NULL) {
  63   // Get first alive nmethod
  64   CompiledMethodIterator iter(CompiledMethodIterator::only_alive);
  65   if(iter.next()) {
  66     _first_nmethod = iter.method();
  67   }
  68   _claimed_nmethod = _first_nmethod;
  69 }
  70 
  71 CodeCacheUnloadingTask::~CodeCacheUnloadingTask() {
  72   CodeCache::verify_clean_inline_caches();
  73 
  74   guarantee(CodeCache::scavenge_root_nmethods() == NULL, "Must be");
  75 
  76   CodeCache::verify_icholder_relocations();
  77 }
  78 
  79 void CodeCacheUnloadingTask::claim_nmethods(CompiledMethod** claimed_nmethods, int *num_claimed_nmethods) {
  80   CompiledMethod* first;
  81   CompiledMethodIterator last(CompiledMethodIterator::only_alive);
  82 
  83   do {
  84     *num_claimed_nmethods = 0;
  85 
  86     first = _claimed_nmethod;
  87     last = CompiledMethodIterator(CompiledMethodIterator::only_alive, first);
  88 
  89     if (first != NULL) {
  90 
  91       for (int i = 0; i < MaxClaimNmethods; i++) {
  92         if (!last.next()) {
  93           break;
  94         }
  95         claimed_nmethods[i] = last.method();

  53     StringDedup::parallel_unlink(&_dedup_closure, worker_id);
  54   }
  55 }
  56 
  57 CodeCacheUnloadingTask::CodeCacheUnloadingTask(uint num_workers, BoolObjectClosure* is_alive, bool unloading_occurred) :
  58   _unloading_scope(is_alive),
  59   _unloading_occurred(unloading_occurred),
  60   _num_workers(num_workers),
  61   _first_nmethod(NULL),
  62   _claimed_nmethod(NULL) {
  63   // Get first alive nmethod
  64   CompiledMethodIterator iter(CompiledMethodIterator::only_alive);
  65   if(iter.next()) {
  66     _first_nmethod = iter.method();
  67   }
  68   _claimed_nmethod = _first_nmethod;
  69 }
  70 
  71 CodeCacheUnloadingTask::~CodeCacheUnloadingTask() {
  72   CodeCache::verify_clean_inline_caches();



  73   CodeCache::verify_icholder_relocations();
  74 }
  75 
  76 void CodeCacheUnloadingTask::claim_nmethods(CompiledMethod** claimed_nmethods, int *num_claimed_nmethods) {
  77   CompiledMethod* first;
  78   CompiledMethodIterator last(CompiledMethodIterator::only_alive);
  79 
  80   do {
  81     *num_claimed_nmethods = 0;
  82 
  83     first = _claimed_nmethod;
  84     last = CompiledMethodIterator(CompiledMethodIterator::only_alive, first);
  85 
  86     if (first != NULL) {
  87 
  88       for (int i = 0; i < MaxClaimNmethods; i++) {
  89         if (!last.next()) {
  90           break;
  91         }
  92         claimed_nmethods[i] = last.method();