1 /* 2 * Copyright (c) 2016, 2018, 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 25 #ifndef SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_INLINE_HPP 26 #define SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_INLINE_HPP 27 28 #include "jfr/recorder/storage/jfrStorageUtils.hpp" 29 30 template <typename T> 31 inline bool UnBufferedWriteToChunk<T>::write(T* t, const u1* data, size_t size) { 32 _writer.write_unbuffered(data, size); 33 _processed += size; 34 return true; 35 } 36 37 template <typename T> 38 inline bool DefaultDiscarder<T>::discard(T* t, const u1* data, size_t size) { 39 _processed += size; 40 return true; 41 } 42 43 template <typename Operation> 44 inline bool ConcurrentWriteOp<Operation>::process(typename Operation::Type* t) { 45 const u1* const current_top = t->concurrent_top(); 46 const size_t unflushed_size = t->pos() - current_top; 47 if (unflushed_size == 0) { 48 t->set_concurrent_top(current_top); 49 return true; 50 } 51 const bool result = _operation.write(t, current_top, unflushed_size); 52 t->set_concurrent_top(current_top + unflushed_size); 53 return result; 54 } 55 56 template <typename Operation> 57 inline bool MutexedWriteOp<Operation>::process(typename Operation::Type* t) { 58 assert(t != NULL, "invariant"); 59 const u1* const current_top = t->top(); 60 const size_t unflushed_size = t->pos() - current_top; 61 if (unflushed_size == 0) { 62 return true; 63 } 64 const bool result = _operation.write(t, current_top, unflushed_size); 65 t->set_top(current_top + unflushed_size); 66 return result; 67 } 68 69 template <typename Operation> 70 inline bool DiscardOp<Operation>::process(typename Operation::Type* t) { 71 assert(t != NULL, "invariant"); 72 const u1* const current_top = _mode == concurrent ? t->concurrent_top() : t->top(); 73 const size_t unflushed_size = t->pos() - current_top; 74 if (unflushed_size == 0) { 75 if (_mode == concurrent) { 76 t->set_concurrent_top(current_top); 77 } 78 return true; 79 } 80 const bool result = _operation.discard(t, current_top, unflushed_size); 81 if (_mode == concurrent) { 82 t->set_concurrent_top(current_top + unflushed_size); 83 } else { 84 t->set_top(current_top + unflushed_size); 85 } 86 return result; 87 } 88 89 #endif // SHARE_VM_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_INLINE_HPP