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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/mutex.h"
namespace mongo {
namespace {
std::unique_ptr<LockActions> gLockActions;
}
void Mutex::lock() {
auto hasLock = _mutex.try_lock_for(kContendedLockTimeout.toSystemDuration());
if (hasLock) {
return;
}
if (gLockActions) {
gLockActions->onContendedLock(_name);
}
_mutex.lock();
}
void Mutex::unlock() {
if (gLockActions) {
gLockActions->onUnlock(_name);
}
_mutex.unlock();
}
bool Mutex::try_lock() {
return _mutex.try_lock();
}
void Mutex::setLockActions(std::unique_ptr<LockActions> actions) {
gLockActions = std::move(actions);
}
} // namespace mongo
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