diff options
author | Dmitry Stogov <dmitry@zend.com> | 2015-01-30 18:08:05 +0300 |
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committer | Dmitry Stogov <dmitry@zend.com> | 2015-01-30 18:08:05 +0300 |
commit | fb2d079645829b12ed4e55a461034df6400bc430 (patch) | |
tree | 6ab49f54ad51d912f2b8e882dfeb37e1082ae754 | |
parent | 08302c0d6d1cab279b9f2129df03a057baddf2ff (diff) | |
download | php-git-fb2d079645829b12ed4e55a461034df6400bc430.tar.gz |
API cleanup
-rw-r--r-- | Zend/zend_hash.c | 137 | ||||
-rw-r--r-- | Zend/zend_hash.h | 10 |
2 files changed, 77 insertions, 70 deletions
diff --git a/Zend/zend_hash.c b/Zend/zend_hash.c index 8a2f6a26c3..815444bbf5 100644 --- a/Zend/zend_hash.c +++ b/Zend/zend_hash.c @@ -269,7 +269,7 @@ ZEND_API void zend_hash_iterator_del(uint32_t idx) } } -static zend_never_inline void _iterators_del(HashTable *ht) +static zend_never_inline void _zend_hash_iterators_remove(HashTable *ht) { HashTableIterator *iter = EG(ht_iterators); HashTableIterator *end = iter + EG(ht_iterators_used); @@ -289,68 +289,41 @@ static zend_never_inline void _iterators_del(HashTable *ht) EG(ht_iterators_used) = idx; } -static zend_always_inline void iterators_del(HashTable *ht) +static zend_always_inline void zend_hash_iterators_remove(HashTable *ht) { if (UNEXPECTED(ht->u.v.nIteratorsCount)) { - _iterators_del(ht); + _zend_hash_iterators_remove(ht); } } -static zend_never_inline void _iterators_update(HashTable *ht, HashPosition from, HashPosition to) +ZEND_API HashPosition zend_hash_iterators_lower_pos(HashTable *ht, HashPosition start) { HashTableIterator *iter = EG(ht_iterators); HashTableIterator *end = iter + EG(ht_iterators_used); + HashPosition res = INVALID_IDX; + uint32_t idx; while (iter != end) { - if (iter->ht == ht && iter->pos == from) { - iter->pos = to; + if (iter->ht == ht) { + if (iter->pos >= start && iter->pos < res) { + res = iter->pos; + } } iter++; } + return res; } -static zend_always_inline void iterators_update(HashTable *ht, HashPosition from, HashPosition to) -{ - if (UNEXPECTED(ht->u.v.nIteratorsCount)) { - _iterators_update(ht, from, to); - } -} - -static zend_never_inline void _iterators_update_to_next(HashTable *ht, HashPosition from) -{ - uint32_t to = from; - - while (1) { - to++; - if (to >= ht->nNumUsed) { - to = INVALID_IDX; - break; - } else if (Z_TYPE(ht->arData[to].val) != IS_UNDEF) { - break; - } - } - _iterators_update(ht, from, to); -} - -static zend_always_inline void iterators_update_to_next(HashTable *ht, HashPosition from) -{ - if (UNEXPECTED(ht->u.v.nIteratorsCount)) { - _iterators_update_to_next(ht, from); - } -} - -ZEND_API void zend_hash_iterators_update(HashTable *ht, HashPosition from, HashPosition to) +ZEND_API void _zend_hash_iterators_update(HashTable *ht, HashPosition from, HashPosition to) { - if (UNEXPECTED(ht->u.v.nIteratorsCount)) { - HashTableIterator *iter = EG(ht_iterators); - HashTableIterator *end = iter + EG(ht_iterators_used); + HashTableIterator *iter = EG(ht_iterators); + HashTableIterator *end = iter + EG(ht_iterators_used); - while (iter != end) { - if (iter->ht == ht && iter->pos == from) { - iter->pos = to; - } - iter++; + while (iter != end) { + if (iter->ht == ht && iter->pos == from) { + iter->pos = to; } + iter++; } } @@ -466,7 +439,7 @@ add_to_hash: if (ht->nInternalPointer == INVALID_IDX) { ht->nInternalPointer = idx; } - iterators_update(ht, INVALID_IDX, idx); + zend_hash_iterators_update(ht, INVALID_IDX, idx); p = ht->arData + idx; p->h = h = zend_string_hash_val(key); p->key = key; @@ -634,7 +607,7 @@ add_to_packed: if (ht->nInternalPointer == INVALID_IDX) { ht->nInternalPointer = h; } - iterators_update(ht, INVALID_IDX, h); + zend_hash_iterators_update(ht, INVALID_IDX, h); if ((zend_long)h >= (zend_long)ht->nNextFreeElement) { ht->nNextFreeElement = h < ZEND_LONG_MAX ? h + 1 : ZEND_LONG_MAX; } @@ -677,7 +650,7 @@ add_to_hash: if (ht->nInternalPointer == INVALID_IDX) { ht->nInternalPointer = idx; } - iterators_update(ht, INVALID_IDX, idx); + zend_hash_iterators_update(ht, INVALID_IDX, idx); if ((zend_long)h >= (zend_long)ht->nNextFreeElement) { ht->nNextFreeElement = h < ZEND_LONG_MAX ? h + 1 : ZEND_LONG_MAX; } @@ -758,20 +731,42 @@ ZEND_API int zend_hash_rehash(HashTable *ht) } memset(ht->arHash, INVALID_IDX, ht->nTableSize * sizeof(uint32_t)); - for (i = 0, j = 0; i < ht->nNumUsed; i++) { - p = ht->arData + i; - if (Z_TYPE(p->val) == IS_UNDEF) continue; - if (i != j) { - ht->arData[j] = ht->arData[i]; - if (ht->nInternalPointer == i) { - ht->nInternalPointer = j; + if (EXPECTED(ht->u.v.nIteratorsCount == 0)) { + for (i = 0, j = 0; i < ht->nNumUsed; i++) { + p = ht->arData + i; + if (Z_TYPE(p->val) == IS_UNDEF) continue; + if (i != j) { + ht->arData[j] = ht->arData[i]; + if (ht->nInternalPointer == i) { + ht->nInternalPointer = j; + } } - iterators_update(ht, i, j); + nIndex = ht->arData[j].h & ht->nTableMask; + Z_NEXT(ht->arData[j].val) = ht->arHash[nIndex]; + ht->arHash[nIndex] = j; + j++; + } + } else { + uint32_t iter_pos = zend_hash_iterators_lower_pos(ht, 0); + + for (i = 0, j = 0; i < ht->nNumUsed; i++) { + p = ht->arData + i; + if (Z_TYPE(p->val) == IS_UNDEF) continue; + if (i != j) { + ht->arData[j] = ht->arData[i]; + if (ht->nInternalPointer == i) { + ht->nInternalPointer = j; + } + if (i == iter_pos) { + zend_hash_iterators_update(ht, i, j); + iter_pos = zend_hash_iterators_lower_pos(ht, iter_pos + 1); + } + } + nIndex = ht->arData[j].h & ht->nTableMask; + Z_NEXT(ht->arData[j].val) = ht->arHash[nIndex]; + ht->arHash[nIndex] = j; + j++; } - nIndex = ht->arData[j].h & ht->nTableMask; - Z_NEXT(ht->arData[j].val) = ht->arHash[nIndex]; - ht->arHash[nIndex] = j; - j++; } ht->nNumUsed = j; return SUCCESS; @@ -793,18 +788,22 @@ static zend_always_inline void _zend_hash_del_el_ex(HashTable *ht, uint32_t idx, } while (ht->nNumUsed > 0 && (Z_TYPE(ht->arData[ht->nNumUsed-1].val) == IS_UNDEF)); } ht->nNumOfElements--; - iterators_update_to_next(ht, idx); - if (ht->nInternalPointer == idx) { + if (ht->nInternalPointer == idx || UNEXPECTED(ht->u.v.nIteratorsCount)) { + uint32_t new_idx = idx; + while (1) { - idx++; - if (idx >= ht->nNumUsed) { - ht->nInternalPointer = INVALID_IDX; + new_idx++; + if (new_idx >= ht->nNumUsed) { + new_idx = INVALID_IDX; break; - } else if (Z_TYPE(ht->arData[idx].val) != IS_UNDEF) { - ht->nInternalPointer = idx; + } else if (Z_TYPE(ht->arData[new_idx].val) != IS_UNDEF) { break; } } + if (ht->nInternalPointer == idx) { + ht->nInternalPointer = new_idx; + } + zend_hash_iterators_update(ht, idx, new_idx); } if (p->key) { zend_string_release(p->key); @@ -1059,7 +1058,7 @@ ZEND_API void zend_hash_destroy(HashTable *ht) } while (++p != end); } } - iterators_del(ht); + zend_hash_iterators_remove(ht); } else if (EXPECTED(!(ht->u.flags & HASH_FLAG_INITIALIZED))) { return; } @@ -1100,7 +1099,7 @@ ZEND_API void zend_array_destroy(HashTable *ht) } } while (++p != end); } - iterators_del(ht); + zend_hash_iterators_remove(ht); SET_INCONSISTENT(HT_DESTROYED); } else if (EXPECTED(!(ht->u.flags & HASH_FLAG_INITIALIZED))) { return; diff --git a/Zend/zend_hash.h b/Zend/zend_hash.h index d244995a9a..982c63b492 100644 --- a/Zend/zend_hash.h +++ b/Zend/zend_hash.h @@ -229,7 +229,15 @@ ZEND_API int _zend_handle_numeric_str_ex(const char *key, size_t length, zend_ul ZEND_API uint32_t zend_hash_iterator_add(HashTable *ht); ZEND_API HashPosition zend_hash_iterator_pos(uint32_t idx, HashTable *ht); ZEND_API void zend_hash_iterator_del(uint32_t idx); -ZEND_API void zend_hash_iterators_update(HashTable *ht, HashPosition from, HashPosition to); +ZEND_API HashPosition zend_hash_iterators_lower_pos(HashTable *ht, HashPosition start); +ZEND_API void _zend_hash_iterators_update(HashTable *ht, HashPosition from, HashPosition to); + +static zend_always_inline void zend_hash_iterators_update(HashTable *ht, HashPosition from, HashPosition to) +{ + if (UNEXPECTED(ht->u.v.nIteratorsCount)) { + _zend_hash_iterators_update(ht, from, to); + } +} END_EXTERN_C() |