binlog.h

   1 /* binlog.h - binary log implementation */
   2
   3 /* Copyright (C) 2008 Graham Barr
   4
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef binlog_h
  20 #define binlog_h
  21
  22 #include "job.h"
  23
  24 extern char *binlog_dir;
  25 extern size_t binlog_size_limit;
  26 #define BINLOG_SIZE_LIMIT_DEFAULT (10 << 20)
  27
  28 extern int enable_fsync;
  29 extern size_t fsync_throttle_ms;
  30
  31 void binlog_init(job binlog_jobs);
  32
  33 /* Return the number of locks acquired: either 0 or 1. */
  34 int binlog_lock();
  35
  36 /* Returns the number of jobs successfully written (either 0 or 1). */
  37 int binlog_write_job(job j);
  38 size_t binlog_reserve_space_put(job j);
  39 size_t binlog_reserve_space_update(job j);
  40
  41 void binlog_shutdown();
  42 const char *binlog_oldest_index();
  43 const char *binlog_current_index();
  44
  45 #endif
  46