path: root/src/mds-server/reexec.h

/**
 * mds — A micro-display server
 * Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef MDS_MDS_SERVER_REEXEC_H
#define MDS_MDS_SERVER_REEXEC_H


/**
 * Marshal the server's state into a file
 * 
 * @param   fd  The file descriptor
 * @return      Negative on error
 */
int marshal_server(int fd);

/**
 * Unmarshal the server's state from a file
 * 
 * @param   fd  The file descriptor
 * @return      Negative on error
 */
int unmarshal_server(int fd);

/**
 * Marshal and re-execute the server
 * 
 * @param  reexec  Whether the server was previously re-executed
 */
void perform_reexec(int reexec);

/**
 * Attempt to reload the server after a re-execution
 * 
 * @param  socket_fd  The file descriptor of the server socket
 */
void complete_reexec(int socket_fd);


#endif