Merge hynda.mysql.fi:/home/my/mysql-5.1-main

into  hynda.mysql.fi:/home/my/mysql-maria


BitKeeper/etc/ignore:
  auto-union
BUILD/SETUP.sh:
  Auto merged
BitKeeper/deleted/.del-CMakeLists.txt~99a50df6:
  Auto merged
Makefile.am:
  Auto merged
client/mysqldump.c:
  Auto merged
configure.in:
  Auto merged
include/Makefile.am:
  Auto merged
include/keycache.h:
  Auto merged
include/m_string.h:
  Auto merged
include/my_sys.h:
  Auto merged
libmysqld/Makefile.am:
  Auto merged
mysql-test/extra/rpl_tests/rpl_insert_delayed.test:
  Auto merged
mysql-test/lib/mtr_cases.pl:
  Auto merged
mysql-test/lib/mtr_misc.pl:
  Auto merged
mysql-test/lib/mtr_process.pl:
  Auto merged
mysql-test/lib/mtr_report.pl:
  Auto merged
mysql-test/lib/mtr_timer.pl:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/alter_table.result:
  Auto merged
mysql-test/r/merge.result:
  Auto merged
mysql-test/r/mysqldump.result:
  Auto merged
mysql-test/r/query_cache.result:
  Auto merged
mysql-test/r/subselect.result:
  Auto merged
mysql-test/r/view.result:
  Auto merged
mysql-test/suite/ndb/r/ps_7ndb.result:
  Auto merged
mysql-test/suite/rpl/r/rpl_events.result:
  Auto merged
mysql-test/suite/rpl/r/rpl_insert.result:
  Auto merged
mysql-test/suite/rpl/r/rpl_row_insert_delayed.result:
  Auto merged
mysql-test/suite/rpl/r/rpl_stm_flsh_tbls.result:
  Auto merged
mysql-test/suite/rpl/r/rpl_stm_insert_delayed.result:
  Auto merged
mysql-test/suite/rpl/r/rpl_switch_stm_row_mixed.result:
  Auto merged
mysql-test/suite/rpl/t/rpl_insert.test:
  Auto merged
mysql-test/suite/rpl/t/rpl_stm_flsh_tbls.test:
  Auto merged
mysql-test/suite/rpl/t/rpl_switch_stm_row_mixed.test:
  Auto merged
mysql-test/t/alter_table.test:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
mysql-test/t/mysqldump.test:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
mysql-test/t/view.test:
  Auto merged
mysys/array.c:
  Auto merged
mysys/mf_keycache.c:
  Auto merged
mysys/my_init.c:
  Auto merged
mysys/my_symlink2.c:
  Auto merged
mysys/safemalloc.c:
  Auto merged
mysys/thr_lock.c:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/filesort.cc:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/ha_partition.cc:
  Auto merged
sql/ha_partition.h:
  Auto merged
sql/handler.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_xmlfunc.cc:
  Auto merged
sql/lock.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/net_serv.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/slave.h:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/share/errmsg.txt:
  Auto merged
sql/sql_test.cc:
  Auto merged
sql/table.h:
  Auto merged
sql/udf_example.c:
  Auto merged
sql/uniques.cc:
  Auto merged
sql/unireg.cc:
  Auto merged
storage/csv/ha_tina.h:
  Auto merged
storage/myisam/ft_boolean_search.c:
  Auto merged
storage/myisam/ft_nlq_search.c:
  Auto merged
storage/myisam/ft_parser.c:
  Auto merged
storage/myisam/ft_stopwords.c:
  Auto merged
storage/myisam/ha_myisam.cc:
  Auto merged
storage/myisam/ha_myisam.h:
  Auto merged
storage/myisam/mi_check.c:
  Auto merged
storage/myisam/mi_create.c:
  Auto merged
storage/myisam/mi_delete.c:
  Auto merged
storage/myisam/mi_dynrec.c:
  Auto merged
storage/myisam/mi_extra.c:
  Auto merged
storage/myisam/mi_key.c:
  Auto merged
storage/myisam/mi_locking.c:
  Auto merged
storage/myisam/mi_log.c:
  Auto merged
storage/myisam/mi_packrec.c:
  Auto merged
storage/myisam/mi_rkey.c:
  Auto merged
storage/myisam/mi_search.c:
  Auto merged
storage/myisam/mi_test1.c:
  Auto merged
storage/myisam/mi_test2.c:
  Auto merged
storage/myisam/mi_update.c:
  Auto merged
storage/myisam/mi_write.c:
  Auto merged
storage/myisam/myisamchk.c:
  Auto merged
storage/myisam/myisamlog.c:
  Auto merged
storage/myisam/myisampack.c:
  Auto merged
storage/myisam/sort.c:
  Auto merged
storage/myisam/sp_test.c:
  Auto merged
storage/myisammrg/ha_myisammrg.cc:
  Auto merged
storage/myisammrg/ha_myisammrg.h:
  Auto merged
storage/ndb/src/mgmapi/mgmapi.cpp:
  Auto merged
support-files/compiler_warnings.supp:
  Auto merged
client/mysqltest.c:
  Manual merge between mysql-5.1 and mysql-maria
include/my_base.h:
  Manual merge between mysql-5.1 and mysql-maria
include/my_global.h:
  Manual merge between mysql-5.1 and mysql-maria
include/myisam.h:
  Manual merge between mysql-5.1 and mysql-maria
libmysql/Makefile.shared:
  Manual merge between mysql-5.1 and mysql-maria
mysql-test/r/events_logs_tests.result:
  Manual merge between mysql-5.1 and mysql-maria
mysql-test/suite/rpl/r/rpl_row_flsh_tbls.result:
  Manual merge between mysql-5.1 and mysql-maria
mysql-test/suite/rpl/t/rpl_row_flsh_tbls.test:
  Manual merge between mysql-5.1 and mysql-maria
mysql-test/t/disabled.def:
  Manual merge between mysql-5.1 and mysql-maria
mysql-test/t/events_logs_tests.test:
  Manual merge between mysql-5.1 and mysql-maria
mysys/my_compress.c:
  Manual merge between mysql-5.1 and mysql-maria
mysys/my_getsystime.c:
  Manual merge between mysql-5.1 and mysql-maria
mysys/my_open.c:
  Manual merge between mysql-5.1 and mysql-maria
sql/handler.cc:
  Manual merge between mysql-5.1 and mysql-maria
sql/set_var.h:
  Manual merge between mysql-5.1 and mysql-maria
sql/sql_class.h:
  Manual merge between mysql-5.1 and mysql-maria
sql/sql_show.cc:
  Manual merge between mysql-5.1 and mysql-maria
sql/sql_sort.h:
  Manual merge between mysql-5.1 and mysql-maria
sql/sql_yacc.yy:
  Manual merge between mysql-5.1 and mysql-maria
sql/table.cc:
  Manual merge between mysql-5.1 and mysql-maria
storage/csv/ha_tina.cc:
  Manual merge between mysql-5.1 and mysql-maria
storage/myisam/mi_open.c:
  Manual merge between mysql-5.1 and mysql-maria
storage/myisam/myisamdef.h:
  Manual merge between mysql-5.1 and mysql-maria
unittest/mysys/my_atomic-t.c:
  Manual merge between mysql-5.1 and mysql-maria

1 files changed, 87 insertions, 0 deletions

diff --git a/storage/maria/tablockman.h b/storage/maria/tablockman.h
new file mode 100644
index 00000000000..58c852b5a21
--- /dev/null
+++ b/storage/maria/tablockman.h
@@ -0,0 +1,87 @@
+/* Copyright (C) 2006 MySQL 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef _tablockman_h
+#define _tablockman_h
+
+/*
+  Lock levels:
+  ^^^^^^^^^^^
+
+  N    - "no lock", not a lock, used sometimes internally to simplify the code
+  S    - Shared
+  X    - eXclusive
+  IS   - Intention Shared
+  IX   - Intention eXclusive
+  SIX  - Shared + Intention eXclusive
+  LS   - Loose Shared
+  LX   - Loose eXclusive
+  SLX  - Shared + Loose eXclusive
+  LSIX - Loose Shared + Intention eXclusive
+*/
+#ifndef _lockman_h
+/* QQ: TODO remove N-locks */
+enum lock_type { N, S, X, IS, IX, SIX, LS, LX, SLX, LSIX, LOCK_TYPE_LAST };
+enum lockman_getlock_result {
+  NO_MEMORY_FOR_LOCK=1, DEADLOCK, LOCK_TIMEOUT,
+  GOT_THE_LOCK,
+  GOT_THE_LOCK_NEED_TO_LOCK_A_SUBRESOURCE,
+  GOT_THE_LOCK_NEED_TO_INSTANT_LOCK_A_SUBRESOURCE
+};
+#endif
+
+#define LOCK_TYPES (LOCK_TYPE_LAST-1)
+
+typedef struct st_table_lock TABLE_LOCK;
+
+typedef struct st_table_lock_owner {
+  TABLE_LOCK *active_locks;                          /* list of active locks */
+  TABLE_LOCK *waiting_lock;                  /* waiting lock (one lock only) */
+  struct st_table_lock_owner *waiting_for; /* transaction we're waiting for  */
+  pthread_cond_t  *cond;      /* transactions waiting for us, wait on 'cond' */
+  pthread_mutex_t *mutex;                 /* mutex is required to use 'cond' */
+  uint16    loid, waiting_for_loid;                 /* Lock Owner IDentifier */
+} TABLE_LOCK_OWNER;
+
+typedef struct st_locked_table {
+  pthread_mutex_t mutex;                        /* mutex for everything below */
+  HASH latest_locks;                                /* latest locks in a hash */
+  TABLE_LOCK *active_locks[LOCK_TYPES];          /* dl-list of locks per type */
+  TABLE_LOCK *wait_queue_in, *wait_queue_out; /* wait deque (double-end queue)*/
+} LOCKED_TABLE;
+
+typedef TABLE_LOCK_OWNER *loid_to_tlo_func(uint16);
+
+typedef struct {
+  pthread_mutex_t pool_mutex;
+  TABLE_LOCK *pool;                                /* lifo pool of free locks */
+  uint lock_timeout;                          /* lock timeout in milliseconds */
+  loid_to_tlo_func *loid_to_tlo;      /* for mapping loid to TABLE_LOCK_OWNER */
+} TABLOCKMAN;
+
+void tablockman_init(TABLOCKMAN *, loid_to_tlo_func *, uint);
+void tablockman_destroy(TABLOCKMAN *);
+enum lockman_getlock_result tablockman_getlock(TABLOCKMAN *, TABLE_LOCK_OWNER *,
+                                               LOCKED_TABLE *, enum lock_type);
+void tablockman_release_locks(TABLOCKMAN *, TABLE_LOCK_OWNER *);
+void tablockman_init_locked_table(LOCKED_TABLE *, int);
+void tablockman_destroy_locked_table(LOCKED_TABLE *);
+
+#ifdef EXTRA_DEBUG
+void tablockman_print_tlo(TABLE_LOCK_OWNER *);
+#endif
+
+#endif
+