src/hotspot/share/services/mallocSiteTable.cpp

*** 126,136 ****
      MallocSiteHashtableEntry* entry = new_entry(key, flags);
      // OOM check
      if (entry == NULL) return NULL;
  
      // swap in the head
!     if (Atomic::replace_if_null(entry, &_table[index])) {
        return entry->data();
      }
  
      delete entry;
    }
--- 126,136 ----
      MallocSiteHashtableEntry* entry = new_entry(key, flags);
      // OOM check
      if (entry == NULL) return NULL;
  
      // swap in the head
!     if (Atomic::replace_if_null(&_table[index], entry)) {
        return entry->data();
      }
  
      delete entry;
    }
*** 227,237 ****
  
    // make counter negative to block out shared locks
    do {
      val = *_lock;
      target = _MAGIC_ + *_lock;
!   } while (Atomic::cmpxchg(target, _lock, val) != val);
  
    // wait for all readers to exit
    while (*_lock != _MAGIC_) {
  #ifdef _WINDOWS
      os::naked_short_sleep(1);
--- 227,237 ----
  
    // make counter negative to block out shared locks
    do {
      val = *_lock;
      target = _MAGIC_ + *_lock;
!   } while (Atomic::cmpxchg(_lock, val, target) != val);
  
    // wait for all readers to exit
    while (*_lock != _MAGIC_) {
  #ifdef _WINDOWS
      os::naked_short_sleep(1);
*** 241,247 ****
    }
    _lock_state = ExclusiveLock;
  }
  
  bool MallocSiteHashtableEntry::atomic_insert(MallocSiteHashtableEntry* entry) {
!   return Atomic::replace_if_null(entry, &_next);
  }
--- 241,247 ----
    }
    _lock_state = ExclusiveLock;
  }
  
  bool MallocSiteHashtableEntry::atomic_insert(MallocSiteHashtableEntry* entry) {
!   return Atomic::replace_if_null(&_next, entry);
  }