ctdb/server/ctdb_cluster_mutex.h

   1 /*
   2    CTDB cluster mutex handling
   3
   4    Copyright (C) Andrew Tridgell  2007
   5    Copyright (C) Ronnie Sahlberg  2007
   6    Copyright (C) Martin Schwenke  2016
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #ifndef __CTDB_CLUSTER_MUTEX_H__
  23 #define __CTDB_CLUSTER_MUTEX_H__
  24
  25 #include <talloc.h>
  26
  27 #include "replace.h"
  28 #include "system/network.h"
  29
  30 #include "ctdb_private.h"
  31
  32 struct ctdb_cluster_mutex_handle;
  33
  34 typedef void (*cluster_mutex_handler_t) (
  35         char status,
  36         double latency,
  37         void *private_data);
  38
  39 typedef void (*cluster_mutex_lost_handler_t) (void *private_data);
  40
  41 struct ctdb_cluster_mutex_handle *
  42 ctdb_cluster_mutex(TALLOC_CTX *mem_ctx,
  43                    struct ctdb_context *ctdb,
  44                    const char *argstring,
  45                    int timeout,
  46                    cluster_mutex_handler_t handler,
  47                    void *private_data,
  48                    cluster_mutex_lost_handler_t lost_handler,
  49                    void *lost_data);
  50
  51 #endif /* __CTDB_CLUSTER_MUTEX_H__ */