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src/hotspot/share/utilities/hashtable.inline.hpp

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rev 47404 : [mq]: load_ptr_acquire
rev 47406 : [mq]: assembler_cmpxchg


  61   _table_size = table_size;
  62   _entry_size = entry_size;
  63   _free_list = NULL;
  64   _first_free_entry = NULL;
  65   _end_block = NULL;
  66   _number_of_entries = number_of_entries;
  67 }
  68 
  69 
  70 // The following method is MT-safe and may be used with caution.
  71 template <MEMFLAGS F> inline BasicHashtableEntry<F>* BasicHashtable<F>::bucket(int i) const {
  72   return _buckets[i].get_entry();
  73 }
  74 
  75 
  76 template <MEMFLAGS F> inline void HashtableBucket<F>::set_entry(BasicHashtableEntry<F>* l) {
  77   // Warning: Preserve store ordering.  The PackageEntryTable, ModuleEntryTable and
  78   //          SystemDictionary are read without locks.  The new entry must be
  79   //          complete before other threads can be allowed to see it
  80   //          via a store to _buckets[index].
  81   OrderAccess::release_store_ptr(&_entry, l);
  82 }
  83 
  84 
  85 template <MEMFLAGS F> inline BasicHashtableEntry<F>* HashtableBucket<F>::get_entry() const {
  86   // Warning: Preserve load ordering.  The PackageEntryTable, ModuleEntryTable and
  87   //          SystemDictionary are read without locks.  The new entry must be
  88   //          complete before other threads can be allowed to see it
  89   //          via a store to _buckets[index].
  90   return (BasicHashtableEntry<F>*) OrderAccess::load_ptr_acquire(&_entry);
  91 }
  92 
  93 
  94 template <MEMFLAGS F> inline void BasicHashtable<F>::set_entry(int index, BasicHashtableEntry<F>* entry) {
  95   _buckets[index].set_entry(entry);
  96 }
  97 
  98 
  99 template <MEMFLAGS F> inline void BasicHashtable<F>::add_entry(int index, BasicHashtableEntry<F>* entry) {
 100   entry->set_next(bucket(index));
 101   _buckets[index].set_entry(entry);
 102   ++_number_of_entries;
 103 }
 104 
 105 template <MEMFLAGS F> inline void BasicHashtable<F>::free_entry(BasicHashtableEntry<F>* entry) {
 106   entry->set_next(_free_list);
 107   _free_list = entry;
 108   --_number_of_entries;
 109 }
 110 


  61   _table_size = table_size;
  62   _entry_size = entry_size;
  63   _free_list = NULL;
  64   _first_free_entry = NULL;
  65   _end_block = NULL;
  66   _number_of_entries = number_of_entries;
  67 }
  68 
  69 
  70 // The following method is MT-safe and may be used with caution.
  71 template <MEMFLAGS F> inline BasicHashtableEntry<F>* BasicHashtable<F>::bucket(int i) const {
  72   return _buckets[i].get_entry();
  73 }
  74 
  75 
  76 template <MEMFLAGS F> inline void HashtableBucket<F>::set_entry(BasicHashtableEntry<F>* l) {
  77   // Warning: Preserve store ordering.  The PackageEntryTable, ModuleEntryTable and
  78   //          SystemDictionary are read without locks.  The new entry must be
  79   //          complete before other threads can be allowed to see it
  80   //          via a store to _buckets[index].
  81   OrderAccess::release_store(&_entry, l);
  82 }
  83 
  84 
  85 template <MEMFLAGS F> inline BasicHashtableEntry<F>* HashtableBucket<F>::get_entry() const {
  86   // Warning: Preserve load ordering.  The PackageEntryTable, ModuleEntryTable and
  87   //          SystemDictionary are read without locks.  The new entry must be
  88   //          complete before other threads can be allowed to see it
  89   //          via a store to _buckets[index].
  90   return OrderAccess::load_acquire(&_entry);
  91 }
  92 
  93 
  94 template <MEMFLAGS F> inline void BasicHashtable<F>::set_entry(int index, BasicHashtableEntry<F>* entry) {
  95   _buckets[index].set_entry(entry);
  96 }
  97 
  98 
  99 template <MEMFLAGS F> inline void BasicHashtable<F>::add_entry(int index, BasicHashtableEntry<F>* entry) {
 100   entry->set_next(bucket(index));
 101   _buckets[index].set_entry(entry);
 102   ++_number_of_entries;
 103 }
 104 
 105 template <MEMFLAGS F> inline void BasicHashtable<F>::free_entry(BasicHashtableEntry<F>* entry) {
 106   entry->set_next(_free_list);
 107   _free_list = entry;
 108   --_number_of_entries;
 109 }
 110 
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