Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/metachunk.hpp
src/share/vm/memory/metachunk.hpp
- changeset 4382
- e51c9860cf66
- parent 4304
- 90273fc0a981
- child 5007
- c23dbf0e8ab7
equal
deleted
inserted
replaced
| 4381:cd962e15c08e | 4382:e51c9860cf66 |
|---|---|
| 65 void set_end(MetaWord* v) { _end = v; } | 65 void set_end(MetaWord* v) { _end = v; } |
| 66 void set_top(MetaWord* v) { _top = v; } | 66 void set_top(MetaWord* v) { _top = v; } |
| 67 void set_word_size(size_t v) { _word_size = v; } | 67 void set_word_size(size_t v) { _word_size = v; } |
| 68 public: | 68 public: |
| 69 #ifdef ASSERT | 69 #ifdef ASSERT |
| 70 Metachunk() : _bottom(NULL), _end(NULL), _top(NULL), _is_free(false) {} | 70 Metachunk() : _bottom(NULL), _end(NULL), _top(NULL), _is_free(false), |
| 71 _next(NULL), _prev(NULL) {} | |
| 71 #else | 72 #else |
| 72 Metachunk() : _bottom(NULL), _end(NULL), _top(NULL) {} | 73 Metachunk() : _bottom(NULL), _end(NULL), _top(NULL), |
| 74 _next(NULL), _prev(NULL) {} | |
| 73 #endif | 75 #endif |
| 74 | 76 |
| 75 // Used to add a Metachunk to a list of Metachunks | 77 // Used to add a Metachunk to a list of Metachunks |
| 76 void set_next(Metachunk* v) { _next = v; assert(v != this, "Boom");} | 78 void set_next(Metachunk* v) { _next = v; assert(v != this, "Boom");} |
| 77 void set_prev(Metachunk* v) { _prev = v; assert(v != this, "Boom");} | 79 void set_prev(Metachunk* v) { _prev = v; assert(v != this, "Boom");} |
| 100 link_next(ptr); | 102 link_next(ptr); |
| 101 if (ptr != NULL) ptr->link_prev(this); | 103 if (ptr != NULL) ptr->link_prev(this); |
| 102 } | 104 } |
| 103 | 105 |
| 104 // Reset top to bottom so chunk can be reused. | 106 // Reset top to bottom so chunk can be reused. |
| 105 void reset_empty() { _top = (_bottom + _overhead); } | 107 void reset_empty() { _top = (_bottom + _overhead); _next = NULL; _prev = NULL; } |
| 106 bool is_empty() { return _top == (_bottom + _overhead); } | 108 bool is_empty() { return _top == (_bottom + _overhead); } |
| 107 | 109 |
| 108 // used (has been allocated) | 110 // used (has been allocated) |
| 109 // free (available for future allocations) | 111 // free (available for future allocations) |
| 110 // capacity (total size of chunk) | 112 // capacity (total size of chunk) |
| 111 size_t used_word_size(); | 113 size_t used_word_size() const; |
| 112 size_t free_word_size(); | 114 size_t free_word_size() const; |
| 113 size_t capacity_word_size(); | 115 size_t capacity_word_size()const; |
| 114 | 116 |
| 115 // Debug support | 117 // Debug support |
| 116 #ifdef ASSERT | 118 #ifdef ASSERT |
| 117 void* prev_addr() const { return (void*)&_prev; } | 119 void* prev_addr() const { return (void*)&_prev; } |
| 118 void* next_addr() const { return (void*)&_next; } | 120 void* next_addr() const { return (void*)&_next; } |
