1 /* 2 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #ifndef SHARE_GC_Z_ZARRAY_INLINE_HPP 25 #define SHARE_GC_Z_ZARRAY_INLINE_HPP 26 27 #include "gc/z/zArray.hpp" 28 #include "memory/allocation.inline.hpp" 29 #include "runtime/atomic.hpp" 30 31 template <typename T> 32 inline ZArray<T>::ZArray() : 33 GrowableArrayCHeap<T, mtGC>(0) {} 34 35 template <typename T> 36 inline void ZArray<T>::transfer(ZArray<T>* from) { 37 assert(this->_data == NULL, "Should be empty"); 38 this->_data = from->_data; 39 this->_len = from->_len; 40 this->_max = from->_max; 41 from->_data = NULL; 42 from->_len = 0; 43 from->_max = 0; 44 } 45 46 template <typename T, bool parallel> 47 inline ZArrayIteratorImpl<T, parallel>::ZArrayIteratorImpl(ZArray<T>* array) : 48 _array(array), 49 _next(0) {} 50 51 template <typename T, bool parallel> 52 inline bool ZArrayIteratorImpl<T, parallel>::next(T* elem) { 53 if (parallel) { 54 const int next = Atomic::fetch_and_add(&_next, 1); 55 if (next < _array->length()) { 56 *elem = _array->at(next); 57 return true; 58 } 59 } else { 60 if (_next < _array->length()) { 61 *elem = _array->at(_next++); 62 return true; 63 } 64 } 65 66 // No more elements 67 return false; 68 } 69 70 template <typename T> 71 inline ZArrayIterator<T>::ZArrayIterator(ZArray<T>* array) : 72 ZArrayIteratorImpl<T, ZARRAY_SERIAL>(array) {} 73 74 template <typename T> 75 inline ZArrayParallelIterator<T>::ZArrayParallelIterator(ZArray<T>* array) : 76 ZArrayIteratorImpl<T, ZARRAY_PARALLEL>(array) {} 77 78 #endif // SHARE_GC_Z_ZARRAY_INLINE_HPP