author | alanb |
Sat, 30 Nov 2019 16:21:19 +0000 | |
changeset 59329 | 289000934908 |
parent 53897 | 0abec72a3ac2 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_JFR_WRITERS_JFREVENTWRITERHOST_INLINE_HPP |
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#define SHARE_JFR_WRITERS_JFREVENTWRITERHOST_INLINE_HPP |
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#include "jfr/writers/jfrEventWriterHost.hpp" |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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template <typename StorageType> |
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inline EventWriterHost<BE, IE, WriterPolicyImpl>:: |
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EventWriterHost(StorageType* storage, Thread* thread) : WriterHost<BE, IE, WriterPolicyImpl>(storage, thread) {} |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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inline EventWriterHost<BE, IE, WriterPolicyImpl>::EventWriterHost(Thread* thread) : WriterHost<BE, IE, WriterPolicyImpl>(thread) { |
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} |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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inline void EventWriterHost<BE, IE, WriterPolicyImpl>::begin_write() { |
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assert(this->is_valid(), "invariant"); |
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assert(!this->is_acquired(), "calling begin with writer already in acquired state!"); |
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this->acquire(); |
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assert(this->used_offset() == 0, "invariant"); |
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assert(this->is_acquired(), "invariant"); |
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} |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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inline intptr_t EventWriterHost<BE, IE, WriterPolicyImpl>::end_write(void) { |
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assert(this->is_acquired(), |
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"state corruption, calling end with writer with non-acquired state!"); |
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return this->is_valid() ? (intptr_t)this->used_offset() : 0; |
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} |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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inline void EventWriterHost<BE, IE, WriterPolicyImpl>::begin_event_write() { |
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assert(this->is_valid(), "invariant"); |
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assert(!this->is_acquired(), "calling begin with writer already in acquired state!"); |
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this->begin_write(); |
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this->reserve(sizeof(u4)); // reserve the event size slot |
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} |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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inline intptr_t EventWriterHost<BE, IE, WriterPolicyImpl>::end_event_write() { |
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assert(this->is_acquired(), "invariant"); |
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if (!this->is_valid()) { |
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this->release(); |
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return 0; |
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} |
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const u4 written = (u4)end_write(); |
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if (written > sizeof(u4)) { // larger than header reserve |
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this->write_padded_at_offset(written, 0); |
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this->commit(); |
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} |
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this->release(); |
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assert(!this->is_acquired(), "invariant"); |
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return written; |
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} |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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template <typename StorageType> |
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inline StackEventWriterHost<BE, IE, WriterPolicyImpl>:: |
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StackEventWriterHost(StorageType* storage, Thread* thread) : EventWriterHost<BE, IE, WriterPolicyImpl>(storage, thread) { |
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this->begin_event_write(); |
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} |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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inline StackEventWriterHost<BE, IE, WriterPolicyImpl>::StackEventWriterHost(Thread* thread) : EventWriterHost<BE, IE, WriterPolicyImpl>(thread) { |
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this->begin_event_write(); |
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} |
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template <typename BE, typename IE, typename WriterPolicyImpl> |
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inline StackEventWriterHost<BE, IE, WriterPolicyImpl>::~StackEventWriterHost() { |
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this->end_event_write(); |
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} |
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#endif // SHARE_JFR_WRITERS_JFREVENTWRITERHOST_INLINE_HPP |