mirror of https://gitee.com/bigwinds/arangodb
116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief Condition Locker
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2010-2011 triagens GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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/// @author Achim Brandt
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/// @author Copyright 2008-2011, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "ConditionLocker.h"
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#include <Basics/Exceptions.h>
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#include <Basics/StringUtils.h>
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namespace triagens {
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namespace basics {
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// -----------------------------------------------------------------------------
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// constructors and destructors
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// -----------------------------------------------------------------------------
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ConditionLocker::ConditionLocker (ConditionVariable* conditionVariable)
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: _conditionVariable(conditionVariable), _file(0), _line(0) {
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bool ok = _conditionVariable->lock();
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if (! ok) {
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THROW_INTERNAL_ERROR("condition lock failed");
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}
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}
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ConditionLocker::ConditionLocker (ConditionVariable* conditionVariable, char const* file, int line)
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: _conditionVariable(conditionVariable), _file(file), _line(line) {
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bool ok = _conditionVariable->lock();
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if (! ok) {
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if (_file != 0) {
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THROW_INTERNAL_ERROR_L("condition lock failed", _file, _line);
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}
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else {
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THROW_INTERNAL_ERROR("condition lock failed");
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}
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}
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}
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ConditionLocker::~ConditionLocker () {
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bool ok = _conditionVariable->unlock();
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if (! ok) {
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if (_file != 0) {
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THROW_INTERNAL_ERROR_L("condition unlock failed", _file, _line);
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}
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else {
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THROW_INTERNAL_ERROR("condition unlock failed");
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}
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}
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}
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// -----------------------------------------------------------------------------
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// public methods
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// -----------------------------------------------------------------------------
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void ConditionLocker::wait () {
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bool ok = _conditionVariable->wait();
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if (! ok) {
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if (_file != 0) {
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THROW_INTERNAL_ERROR_L("condition wait failed", _file, _line);
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}
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else {
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THROW_INTERNAL_ERROR("condition wait failed");
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}
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}
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}
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void ConditionLocker::broadcast () {
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bool ok = _conditionVariable->broadcast();
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if (! ok) {
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if (_file != 0) {
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THROW_INTERNAL_ERROR_L("condition wait failed", _file, _line);
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}
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else {
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THROW_INTERNAL_ERROR("condition wait failed");
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}
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}
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}
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}
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}
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