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/*
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* Copyright (c) 2016, 2018, 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_VM_JFR_WRITERS_JFREVENTWRITERHOST_INLINE_HPP
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#define SHARE_VM_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() ? 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_VM_JFR_WRITERS_JFREVENTWRITERHOST_INLINE_HPP
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