errcode.h

/*
 * Error codes returned by rsync.
 *
 * Copyright (C) 1998-2000 Andrew Tridgell
 * Copyright (C) 2003-2019 Wayne Davison
 *
 * 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, visit the http://fsf.org website.
 */

/* If you change these, please also update the string mappings in log.c and
 * the EXIT VALUES in rsync.yo. */

#define RERR_OK         0
#define RERR_SYNTAX     1       /* syntax or usage error */
#define RERR_PROTOCOL   2       /* protocol incompatibility */
#define RERR_FILESELECT 3       /* errors selecting input/output files, dirs */
#define RERR_UNSUPPORTED 4      /* requested action not supported */
#define RERR_STARTCLIENT 5      /* error starting client-server protocol */

#define RERR_SOCKETIO   10      /* error in socket IO */
#define RERR_FILEIO     11      /* error in file IO */
#define RERR_STREAMIO   12      /* error in rsync protocol data stream */
#define RERR_MESSAGEIO  13      /* errors with program diagnostics */
#define RERR_IPC        14      /* error in IPC code */
#define RERR_CRASHED    15      /* sibling crashed */
#define RERR_TERMINATED 16      /* sibling terminated abnormally */

#define RERR_SIGNAL1    19      /* status returned when sent SIGUSR1 */
#define RERR_SIGNAL     20      /* status returned when sent SIGINT, SIGTERM, SIGHUP */
#define RERR_WAITCHILD  21      /* some error returned by waitpid() */
#define RERR_MALLOC     22      /* error allocating core memory buffers */
#define RERR_PARTIAL    23      /* partial transfer */
#define RERR_VANISHED   24      /* file(s) vanished on sender side */
#define RERR_DEL_LIMIT  25      /* skipped some deletes due to --max-delete */

#define RERR_TIMEOUT    30      /* timeout in data send/receive */
#define RERR_CONTIMEOUT 35      /* timeout waiting for daemon connection */

/* Although it doesn't seem to be specified anywhere,
 * ssh and the shell seem to return these values:
 *
 * 124 if the command exited with status 255
 * 125 if the command is killed by a signal
 * 126 if the command cannot be run
 * 127 if the command is not found
 *
 * and we could use this to give a better explanation if the remote
 * command is not found.
 */
#define RERR_CMD_FAILED 124
#define RERR_CMD_KILLED 125
#define RERR_CMD_RUN 126
#define RERR_CMD_NOTFOUND 127