1 /*
   2  * Copyright (c) 2016, 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 
  25 #include "precompiled.hpp"
  26 #include "jfr/recorder/stringpool/jfrStringPool.hpp"
  27 #include "jfr/recorder/stringpool/jfrStringPoolWriter.hpp"
  28 #include "jfr/writers/jfrEventWriterHost.inline.hpp"
  29 #include "jfr/writers/jfrMemoryWriterHost.inline.hpp"
  30 
  31 JfrStringPoolFlush::JfrStringPoolFlush(Type* old, size_t used, size_t requested, Thread* t) :
  32   _result(JfrStringPool::flush(old, used, requested, t)) {}
  33 
  34 JfrStringPoolWriter::JfrStringPoolWriter(Thread* thread) :
  35   JfrStringPoolWriterBase(JfrStringPool::lease_buffer(thread), thread), _nof_strings(0) {}
  36 
  37 JfrStringPoolWriter::~JfrStringPoolWriter() {
  38   assert(this->is_acquired(), "invariant");
  39   if (!this->is_valid() || this->used_size() == 0) {
  40     return;
  41   }
  42   assert(this->used_size() > 0, "invariant");
  43   this->storage()->increment(_nof_strings);
  44   this->commit();
  45   assert(0 == this->current_offset(), "invariant");
  46 }
  47 
  48 void JfrStringPoolWriter::inc_nof_strings() {
  49   ++_nof_strings;
  50 }