jdk8-mips64-public/hotspot: src/share/vm/jfr/recorder/stringpool/jfrStringPoolBuffer.cpp@d2c2cd90513e

     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  */

    25 #include "precompiled.hpp"

    26 #include "jfr/recorder/stringpool/jfrStringPoolBuffer.hpp"

    28 JfrStringPoolBuffer::JfrStringPoolBuffer() : JfrBuffer(), _string_count_pos(0), _string_count_top(0) {}

    30 void JfrStringPoolBuffer::reinitialize() {

    31   assert(acquired_by_self() || retired(), "invariant");

    32   set_string_pos(0);

    33   set_string_top(0);

    34   JfrBuffer::reinitialize();

    35 }

    37 uint64_t JfrStringPoolBuffer::string_pos() const {

    38   assert(acquired_by_self() || retired(), "invariant");

    39   return _string_count_pos;

    40 }

    42 uint64_t JfrStringPoolBuffer::string_top() const {

    43   assert(acquired_by_self() || retired(), "invariant");

    44   return _string_count_top;

    45 }

    47 uint64_t JfrStringPoolBuffer::string_count() const {

    48   assert(acquired_by_self() || retired(), "invariant");

    49   return string_pos() - string_top();

    50 }

    52 void JfrStringPoolBuffer::set_string_pos(uint64_t value) {

    53   assert(acquired_by_self() || retired(), "invariant");

    54   _string_count_pos = value;

    55 }

    57 void JfrStringPoolBuffer::increment(uint64_t value) {

    58   assert(acquired_by_self(), "invariant");

    59   ++_string_count_pos;

    60 }

    62 void JfrStringPoolBuffer::set_string_top(uint64_t value) {

    63   assert(acquired_by_self() || retired(), "invariant");

    64   _string_count_top = value;

    65 }

Mercurial > jdk8-mips64-public > hotspot / file revision