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path: root/src/mongo/base/global_initializer_registerer.cpp
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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/base/global_initializer_registerer.h"

#include <cstdlib>
#include <iostream>

#include "mongo/base/global_initializer.h"
#include "mongo/base/initializer.h"

namespace mongo {

GlobalInitializerRegisterer::GlobalInitializerRegisterer(std::string name,
                                                         InitializerFunction initFn,
                                                         DeinitializerFunction deinitFn,
                                                         std::vector<std::string> prerequisites,
                                                         std::vector<std::string> dependents) {
    Status status = getGlobalInitializer().getInitializerDependencyGraph().addInitializer(
        std::move(name),
        std::move(initFn),
        std::move(deinitFn),
        std::move(prerequisites),
        std::move(dependents));

    if (Status::OK() != status) {
        std::cerr << "Attempt to add global initializer failed, status: " << status << std::endl;
        ::abort();
    }
}

const std::string& defaultInitializerName() {
    static const auto& s = *new std::string("default");  // Leaked to be shutdown-safe.
    return s;
}

namespace {
GlobalInitializerRegisterer defaultInitializerRegisterer(
    defaultInitializerName(), [](auto) { return Status::OK(); }, nullptr, {}, {});
}  // namespace

}  // namespace mongo