1 /* 2 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. 7 * 8 * This code is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 11 * version 2 for more details (a copy is included in the LICENSE file that 12 * accompanied this code). 13 * 14 * You should have received a copy of the GNU General Public License version 15 * 2 along with this work; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 17 * 18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 19 * or visit www.oracle.com if you need additional information or have any 20 * questions. 21 * 22 */ 23 24 #ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAHSTRINGDEDUPQUEUE_INLINE_HPP 25 #define SHARE_VM_GC_SHENANDOAH_SHENANDOAHSTRINGDEDUPQUEUE_INLINE_HPP 26 27 #include "gc/shenandoah/shenandoahStrDedupQueue.hpp" 28 29 template <uint buffer_size> 30 ShenandoahOopBuffer<buffer_size>::ShenandoahOopBuffer() : 31 _index(0), _next(NULL) { 32 } 33 34 template <uint buffer_size> 35 bool ShenandoahOopBuffer<buffer_size>::is_full() const { 36 return _index >= buffer_size; 37 } 38 39 template <uint buffer_size> 40 bool ShenandoahOopBuffer<buffer_size>::is_empty() const { 41 return _index == 0; 42 } 43 44 template <uint buffer_size> 45 uint ShenandoahOopBuffer<buffer_size>::size() const { 46 return _index; 47 } 48 49 template <uint buffer_size> 50 void ShenandoahOopBuffer<buffer_size>::push(oop obj) { 51 assert(!is_full(), "Buffer is full"); 52 _buf[_index ++] = obj; 53 } 54 55 template <uint buffer_size> 56 oop ShenandoahOopBuffer<buffer_size>::pop() { 57 assert(!is_empty(), "Buffer is empty"); 58 return _buf[--_index]; 59 } 60 61 template <uint buffer_size> 62 void ShenandoahOopBuffer<buffer_size>::set_next(ShenandoahOopBuffer<buffer_size>* next) { 63 _next = next; 64 } 65 66 template <uint buffer_size> 67 ShenandoahOopBuffer<buffer_size>* ShenandoahOopBuffer<buffer_size>::next() const { 68 return _next; 69 } 70 71 template <uint buffer_size> 72 void ShenandoahOopBuffer<buffer_size>::reset() { 73 _index = 0; 74 _next = NULL; 75 } 76 77 template <uint buffer_size> 78 void ShenandoahOopBuffer<buffer_size>::unlink_or_oops_do(StringDedupUnlinkOrOopsDoClosure* cl) { 79 for (uint index = 0; index < size(); index ++) { 80 oop* obj_addr = &_buf[index]; 81 if (*obj_addr != NULL) { 82 if (cl->is_alive(*obj_addr)) { 83 cl->keep_alive(obj_addr); 84 } else { 85 *obj_addr = NULL; 86 } 87 } 88 } 89 } 90 91 template <uint buffer_size> 92 void ShenandoahOopBuffer<buffer_size>::oops_do(OopClosure* cl) { 93 for (uint index = 0; index < size(); index ++) { 94 cl->do_oop(&_buf[index]); 95 } 96 } 97 98 #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHSTRINGDEDUPQUEUE_INLINE_HPP