1 files changed, 79 insertions, 0 deletions
diff --git a/storage/maria/ma_control_file.h b/storage/maria/ma_control_file.h
new file mode 100644
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+++ b/storage/maria/ma_control_file.h
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+/* Copyright (C) 2006 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+
+   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; version 2 of the License.
+
+   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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+/*
+  WL#3234 Maria control file
+  First version written by Guilhem Bichot on 2006-04-27.
+*/
+
+#ifndef _ma_control_file_h
+#define _ma_control_file_h
+
+C_MODE_START
+
+#define CONTROL_FILE_BASE_NAME "aria_log_control"
+/*
+  Major version for control file. Should only be changed when doing
+  big changes that made the new control file incompatible with all
+  older versions of Maria.
+*/
+#define CONTROL_FILE_VERSION   1
+
+/* Here is the interface of this module */
+
+/*
+  LSN of the last checkoint
+  (if last_checkpoint_lsn == LSN_IMPOSSIBLE then there was never a checkpoint)
+*/
+extern LSN last_checkpoint_lsn;
+/*
+  Last log number (if last_logno == FILENO_IMPOSSIBLE then there is no log
+  file yet)
+*/
+extern uint32 last_logno;
+
+extern TrID max_trid_in_control_file, max_long_trid;
+
+extern uint8 recovery_failures;
+
+extern my_bool maria_multi_threaded, maria_in_recovery;
+
+typedef enum enum_control_file_error {
+  CONTROL_FILE_OK= 0,
+  CONTROL_FILE_TOO_SMALL,
+  CONTROL_FILE_TOO_BIG,
+  CONTROL_FILE_BAD_MAGIC_STRING,
+  CONTROL_FILE_BAD_VERSION,
+  CONTROL_FILE_BAD_CHECKSUM,
+  CONTROL_FILE_BAD_HEAD_CHECKSUM,
+  CONTROL_FILE_MISSING,
+  CONTROL_FILE_INCONSISTENT_INFORMATION,
+  CONTROL_FILE_WRONG_BLOCKSIZE,
+  CONTROL_FILE_LOCKED,
+  CONTROL_FILE_UNKNOWN_ERROR /* any other error */
+} CONTROL_FILE_ERROR;
+
+
+CONTROL_FILE_ERROR ma_control_file_open(my_bool create_if_missing,
+                                        my_bool print_error,
+                                        my_bool wait_for_lock);
+int ma_control_file_write_and_force(LSN last_checkpoint_lsn_arg,
+                                    uint32 last_logno_arg, TrID max_trid_arg,
+                                    uint8 recovery_failures_arg);
+int ma_control_file_end(void);
+my_bool ma_control_file_inited(void);
+my_bool print_aria_log_control(void);
+C_MODE_END
+#endif