ftp_csched.h

Path MPICH-V for MPICH the MPI Implementation

/** @file ftp_csched.h describes API from daemon to Checkpoint Scheduler */
#ifndef FTP_CSCHED_H
#define FTP_CSCHED_H

#include "config.h"
#include "debug.h"

/** initialize connection to checkpoint scheduler
 * @param saddr : ip address of csched
 * @param myrank : rank of local mpi process
 * @param worldsize : number of mpi processes
 * @return fd to csched
 */
int ftp_init_csched(struct sockaddr_in *saddr, int myrank, int worldsize);

/** handles a write on checkpoint scheduler
 *  @param fd: the file descriptor of the connection with the Ckpt Scheduler
 *  @return -1 on error
 */
#ifndef ftp_csched_write
int ftp_csched_write(int fd);
#endif

/** handles a read on checkpoint scheduler
 * @param fd: the file descriptor of the connection with the Ckpt Scheduler
 * @return -1 on error
 */
#ifndef ftp_csched_read
int ftp_csched_read(int fd);
#endif


/** verify if something has to be sent to EL
 * @return : 1 if something, 0 if nothing
 */
#ifndef ftp_getcschedfdset
int ftp_getcschedfdset();
#endif

#endif