// signal_handlers.h

/**
*    Copyright (C) 2010 10gen Inc.
*
*    This program is free software: you can redistribute it and/or  modify
*    it under the terms of the GNU Affero General Public License, version 3,
*    as published by the Free Software Foundation.
*
*    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
*    GNU Affero General Public License for more details.
*
*    You should have received a copy of the GNU Affero General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*    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 GNU Affero General 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.
*/

#pragma once

namespace mongo {

    /**
     * Sets up handlers for signals and other events like terminate and new_handler.
     *
     * This must be called very early in main, before runGlobalInitializers().
     *
     * installControlCHandler - true means the program would like to setup its on Control-C handler
     *                        - used by command line tools
     */
    void setupSignalHandlers(bool installControlCHandler);

    /**
     * Starts the thread to handle asynchronous signals.
     *
     * This must be the first thread started from the main thread. Call this immediately after
     * initializeServerGlobalState().
     */
    void startSignalProcessingThread();

    /*
     * Uninstall the Control-C handler
     *
     * Windows Only
     * Used by nt services to remove the Control-C handler after the system knows it is running
     * as a service, and not as a console program.
     */
    void removeControlCHandler();

} // namespace mongo