diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 12:24:36 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 12:24:36 +0000 |
commit | 06eaf7232e9a920468c0f8d74dcf2fe8b555501c (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/maria/trnman_public.h | |
parent | Initial commit. (diff) | |
download | mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.tar.xz mariadb-06eaf7232e9a920468c0f8d74dcf2fe8b555501c.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/maria/trnman_public.h')
-rw-r--r-- | storage/maria/trnman_public.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/storage/maria/trnman_public.h b/storage/maria/trnman_public.h new file mode 100644 index 00000000..97b8cc2f --- /dev/null +++ b/storage/maria/trnman_public.h @@ -0,0 +1,86 @@ +/* Copyright (C) 2006-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc. + + 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 */ + + +/* + External definitions for trnman.h + We need to split this into two files as gcc 4.1.2 gives error if it tries + to include my_atomic.h in C++ code. +*/ + +#ifndef _trnman_public_h +#define _trnman_public_h + +#include "ma_loghandler_lsn.h" +#include <waiting_threads.h> + +C_MODE_START +typedef uint64 TrID; /* our TrID is 6 bytes */ +typedef struct st_ma_transaction TRN; + +#define SHORT_TRID_MAX 65535 + +extern uint trnman_active_transactions, trnman_allocated_transactions; +extern TRN dummy_transaction_object; +extern my_bool (*trnman_end_trans_hook)(TRN *trn, my_bool commit, + my_bool active_transactions); + +int trnman_init(TrID); +void trnman_destroy(void); +TRN *trnman_new_trn(WT_THD *wt); +my_bool trnman_end_trn(TRN *trn, my_bool commit); +#define trnman_commit_trn(T) trnman_end_trn(T, TRUE) +#define trnman_abort_trn(T) trnman_end_trn(T, FALSE) +#define trnman_rollback_trn(T) trnman_end_trn(T, FALSE) +int trnman_can_read_from(TRN *trn, TrID trid); +TRN *trnman_trid_to_trn(TRN *trn, TrID trid); +void trnman_new_statement(TRN *trn); +void trnman_rollback_statement(TRN *trn); +my_bool trnman_collect_transactions(LEX_STRING *str_act, LEX_STRING *str_com, + LSN *min_rec_lsn, + LSN *min_first_undo_lsn); + +uint trnman_increment_locked_tables(TRN *trn); +uint trnman_decrement_locked_tables(TRN *trn); +uint trnman_has_locked_tables(TRN *trn); +void trnman_reset_locked_tables(TRN *trn, uint locked_tables); +TRN *trnman_recreate_trn_from_recovery(uint16 shortid, TrID longid); +TRN *trnman_get_any_trn(void); +void trnman_init_tmp_trn_for_logging_trid(TRN *trn); +TrID trnman_get_min_trid(void); +TrID trnman_get_max_trid(void); +TrID trnman_get_min_safe_trid(); +my_bool trnman_exists_active_transactions(TrID min_id, TrID max_id, + my_bool trnman_is_locked); +#define TRANSID_SIZE 6 +#define transid_store(dst, id) int6store(dst,id) +#define transid_korr(P) uint6korr(P) +void trnman_lock(); +void trnman_unlock(); +my_bool trman_is_inited(); +#ifdef EXTRA_DEBUG +uint16 trnman_get_flags(TRN *); +void trnman_set_flags(TRN *, uint16 flags); +#else +#define trnman_get_flags(A) 0 +#define trnman_set_flags(A, B) do { } while (0) +#endif + +/* Flag bits */ +#define TRN_STATE_INFO_LOGGED 1 /* Query is logged */ +#define TRN_STATE_TABLES_CAN_CHANGE 2 /* Things can change during trans. */ + +C_MODE_END +#endif |