Merge

BitKeeper/etc/logging_ok:
  auto-union
BUILD/autorun.sh:
  Auto merged
BitKeeper/etc/config:
  Auto merged
Makefile.am:
  Auto merged
include/my_bitmap.h:
  Auto merged
libmysqld/Makefile.am:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/grant.result:
  Auto merged
mysql-test/r/ps_6bdb.result:
  Auto merged
mysql-test/r/ps_7ndb.result:
  Auto merged
mysys/Makefile.am:
  Auto merged
mysys/default.c:
  Auto merged
scripts/mysql_create_system_tables.sh:
  Auto merged
scripts/mysql_fix_privilege_tables.sql:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/ha_ndbcluster.h:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/item.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_acl.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_udf.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
storage/heap/Makefile.am:
  Auto merged
storage/heap/hp_hash.c:
  Auto merged
storage/innobase/btr/btr0btr.c:
  Auto merged
storage/innobase/btr/btr0cur.c:
  Auto merged
storage/innobase/configure.in:
  Auto merged
storage/innobase/fil/fil0fil.c:
  Auto merged
storage/innobase/ibuf/ibuf0ibuf.c:
  Auto merged
storage/innobase/include/os0file.h:
  Auto merged
storage/innobase/include/page0cur.h:
  Auto merged
storage/innobase/include/row0mysql.h:
  Auto merged
storage/innobase/include/srv0srv.h:
  Auto merged
storage/innobase/include/trx0trx.h:
  Auto merged
storage/innobase/include/trx0trx.ic:
  Auto merged
storage/innobase/lock/lock0lock.c:
  Auto merged
storage/innobase/log/log0recv.c:
  Auto merged
storage/innobase/os/os0file.c:
  Auto merged
storage/innobase/page/page0cur.c:
  Auto merged
storage/innobase/page/page0page.c:
  Auto merged
storage/innobase/rem/rem0rec.c:
  Auto merged
storage/innobase/row/row0mysql.c:
  Auto merged
storage/innobase/row/row0sel.c:
  Auto merged
storage/innobase/row/row0upd.c:
  Auto merged
storage/innobase/srv/srv0srv.c:
  Auto merged
storage/innobase/trx/trx0trx.c:
  Auto merged
storage/innobase/trx/trx0undo.c:
  Auto merged
storage/myisam/Makefile.am:
  Auto merged
storage/myisam/mi_create.c:
  Auto merged
storage/myisam/mi_open.c:
  Auto merged
storage/myisam/mi_packrec.c:
  Auto merged
storage/myisam/mi_unique.c:
  Auto merged
storage/myisam/myisampack.c:
  Auto merged
storage/myisammrg/Makefile.am:
  Auto merged
storage/ndb/include/mgmcommon/ConfigRetriever.hpp:
  Auto merged
storage/ndb/include/transporter/TransporterDefinitions.hpp:
  Auto merged
storage/ndb/src/common/mgmcommon/ConfigRetriever.cpp:
  Auto merged
storage/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  Auto merged
storage/ndb/src/mgmsrv/main.cpp:
  Auto merged
storage/ndb/src/ndbapi/NdbDictionaryImpl.cpp:
  Auto merged
storage/ndb/test/ndbapi/create_tab.cpp:
  Auto merged
storage/ndb/test/ndbapi/testBlobs.cpp:
  Auto merged
strings/ctype-big5.c:
  Auto merged
strings/ctype-ucs2.c:
  Auto merged
support-files/mysql.spec.sh:
  Auto merged
configure.in:
  merge
mysql-test/t/disabled.def:
  merge
mysys/my_bitmap.c:
  SCCS merged
sql/ha_federated.cc:
  merge
sql/ha_innodb.cc:
  merge
sql/ha_ndbcluster.cc:
  merge
sql/mysqld.cc:
  e
  merge
sql/sql_insert.cc:
  merge
sql/sql_lex.h:
  merge
sql/sql_load.cc:
  merge
sql/sql_select.cc:
  merge
  e
  C
sql/sql_update.cc:
  merge
sql/table.cc:
  merge

1 files changed, 45 insertions, 0 deletions

diff --git a/mysys/my_bitmap.c b/mysys/my_bitmap.c
index 0260bc2ee41..6cfabad1d3b 100644
--- a/mysys/my_bitmap.c
+++ b/mysys/my_bitmap.c
@@ -159,6 +159,51 @@ void bitmap_free(MY_BITMAP *map)
 }
 
 
+/*
+  test if bit already set and set it if it was not (thread unsafe method)
+
+  SYNOPSIS
+    bitmap_fast_test_and_set()
+    MAP   bit map struct
+    BIT   bit number
+
+  RETURN
+    0    bit was not set
+    !=0  bit was set
+*/
+
+my_bool bitmap_fast_test_and_set(MY_BITMAP *map, uint bitmap_bit)
+{
+  uchar *byte= map->bitmap + (bitmap_bit / 8);
+  uchar bit= 1 << ((bitmap_bit) & 7);
+  uchar res= (*byte) & bit;
+  *byte|= bit;
+  return res;
+}
+
+
+/*
+  test if bit already set and set it if it was not (thread safe method)
+
+  SYNOPSIS
+    bitmap_fast_test_and_set()
+    map          bit map struct
+    bitmap_bit   bit number
+
+  RETURN
+    0    bit was not set
+    !=0  bit was set
+*/
+
+my_bool bitmap_test_and_set(MY_BITMAP *map, uint bitmap_bit)
+{
+  my_bool res;
+  DBUG_ASSERT(map->bitmap && bitmap_bit < map->bitmap_size*8);
+  bitmap_lock(map);
+  res= bitmap_fast_test_and_set(map, bitmap_bit);
+  bitmap_unlock(map);
+}
+
 uint bitmap_set_next(MY_BITMAP *map)
 {
   uint bit_found;