Merge with 4.0.12

Docs/internals.texi:
  Auto merged
include/my_global.h:
  Auto merged
include/mysql_com.h:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
libmysql/Makefile.am:
  Auto merged
libmysqld/Makefile.am:
  Auto merged
libmysqld/lib_vio.c:
  Auto merged
mysql-test/r/heap.result:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/t/heap.test:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
BitKeeper/deleted/.del-password.c~76f30876e68eddb4:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/key.cc:
  Auto merged
sql/lex.h:
  Auto merged
sql/log.cc:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/slave.h:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/table.cc:
  Auto merged
strings/strto.c:
  Auto merged

1 files changed, 7 insertions, 0 deletions

diff --git a/sql/slave.h b/sql/slave.h
index 0ebd07bf6d8..a4db7388be5 100644
--- a/sql/slave.h
+++ b/sql/slave.h
@@ -156,7 +156,14 @@ typedef struct st_relay_log_info
                     extra offset to be added to the position.
   */
   ulonglong relay_log_pos, pending;
+
+  /*
+    Handling of the relay_log_space_limit optional constraint.
+    ignore_log_space_limit is used to resolve a deadlock between I/O and SQL
+    threads, it makes the I/O thread temporarily forget about the constraint
+  */
   ulonglong log_space_limit,log_space_total;
+  bool ignore_log_space_limit;
 
   /*
     InnoDB internally stores the master log position it has processed