external/gpl2/lvm2/dist/daemons/dmeventd/dmeventd.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved.
   5  *
   6  * This file is part of the device-mapper userspace tools.
   7  *
   8  * This copyrighted material is made available to anyone wishing to use,
   9  * modify, copy, or redistribute it subject to the terms and conditions
  10  * of the GNU Lesser General Public License v.2.1.
  11  *
  12  * You should have received a copy of the GNU Lesser General Public License
  13  * along with this program; if not, write to the Free Software Foundation,
  14  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  15  */
  16
  17 #ifndef __DMEVENTD_DOT_H__
  18 #define __DMEVENTD_DOT_H__
  19
  20 /* FIXME This stuff must be configurable. */
  21
  22 #define DM_EVENT_DAEMON         "/sbin/dmeventd"
  23 #define DM_EVENT_LOCKFILE       "/var/lock/dmeventd"
  24 #define DM_EVENT_FIFO_CLIENT    "/var/run/dmeventd-client"
  25 #define DM_EVENT_FIFO_SERVER    "/var/run/dmeventd-server"
  26 #define DM_EVENT_PIDFILE        "/var/run/dmeventd.pid"
  27
  28 #define DM_EVENT_DEFAULT_TIMEOUT 10
  29
  30 /* Commands for the daemon passed in the message below. */
  31 enum dm_event_command {
  32         DM_EVENT_CMD_ACTIVE = 1,
  33         DM_EVENT_CMD_REGISTER_FOR_EVENT,
  34         DM_EVENT_CMD_UNREGISTER_FOR_EVENT,
  35         DM_EVENT_CMD_GET_REGISTERED_DEVICE,
  36         DM_EVENT_CMD_GET_NEXT_REGISTERED_DEVICE,
  37         DM_EVENT_CMD_SET_TIMEOUT,
  38         DM_EVENT_CMD_GET_TIMEOUT,
  39         DM_EVENT_CMD_HELLO,
  40 };
  41
  42 /* Message passed between client and daemon. */
  43 struct dm_event_daemon_message {
  44         uint32_t cmd;
  45         uint32_t size;
  46         char *data;
  47 };
  48
  49 /* FIXME Is this meant to be exported?  I can't see where the
  50    interface uses it. */
  51 /* Fifos for client/daemon communication. */
  52 struct dm_event_fifos {
  53         int client;
  54         int server;
  55         const char *client_path;
  56         const char *server_path;
  57 };
  58
  59 /*      EXIT_SUCCESS             0 -- stdlib.h */
  60 /*      EXIT_FAILURE             1 -- stdlib.h */
  61 #define EXIT_LOCKFILE_INUSE      2
  62 #define EXIT_DESC_CLOSE_FAILURE  3
  63 #define EXIT_DESC_OPEN_FAILURE   4
  64 #define EXIT_OPEN_PID_FAILURE    5
  65 #define EXIT_FIFO_FAILURE        6
  66 #define EXIT_CHDIR_FAILURE       7
  67
  68 #endif /* __DMEVENTD_DOT_H__ */