Merge with 4.0.13

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
BUILD/SETUP.sh:
  Auto merged
BitKeeper/deleted/.del-libmysql.def~29fc6d70335f1c4c:
  Auto merged
Makefile.am:
  Auto merged
acinclude.m4:
  Auto merged
BitKeeper/triggers/post-commit:
  Auto merged
Build-tools/Do-compile:
  Auto merged
VC++Files/libmysql/libmysql.dsp:
  Auto merged
VC++Files/mysql.dsw:
  Auto merged
client/mysql.cc:
  Auto merged
client/mysqlbinlog.cc:
  Auto merged
client/mysqldump.c:
  Auto merged
include/config-win.h:
  Auto merged
include/my_base.h:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/my_sys.h:
  Auto merged
include/violite.h:
  Auto merged
innobase/buf/buf0flu.c:
  Auto merged
innobase/buf/buf0lru.c:
  Auto merged
innobase/include/buf0buf.h:
  Auto merged
innobase/include/buf0lru.h:
  Auto merged
innobase/include/row0mysql.h:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/log/log0log.c:
  Auto merged
innobase/log/log0recv.c:
  Auto merged
innobase/os/os0file.c:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/trx/trx0sys.c:
  Auto merged
innobase/trx/trx0trx.c:
  Auto merged
innobase/ut/ut0ut.c:
  Auto merged
myisam/ft_boolean_search.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_key.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
myisam/mi_range.c:
  Auto merged
myisam/mi_search.c:
  Auto merged
myisam/sort.c:
  Auto merged
mysql-test/r/delete.result:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged
mysql-test/r/innodb_handler.result:
  Auto merged
mysql-test/r/join.result:
  Auto merged
mysql-test/r/join_outer.result:
  Auto merged
mysql-test/r/key.result:
  Auto merged
mysql-test/r/multi_update.result:
  Auto merged
mysql-test/r/myisam.result:
  Auto merged
mysql-test/r/query_cache.result:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/r/variables.result:
  Auto merged
mysql-test/t/alter_table.test:
  Auto merged
mysql-test/t/ctype_latin1_de.test:
  Auto merged
mysql-test/t/delete.test:
  Auto merged
mysql-test/t/fulltext.test:
  Auto merged
mysql-test/t/innodb_handler.test:
  Auto merged
mysql-test/t/join.test:
  Auto merged
mysql-test/t/join_outer.test:
  Auto merged
mysql-test/t/key.test:
  Auto merged
mysql-test/t/multi_update.test:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
mysql-test/t/repair.test:
  Auto merged
mysql-test/t/select_safe.test:
  Auto merged
mysql-test/t/type_decimal.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
mysys/default.c:
  Auto merged
mysys/my_pthread.c:
  Auto merged
scripts/mysql_fix_privilege_tables.sh:
  Auto merged
scripts/mysqld_safe.sh:
  Auto merged
sql/ha_heap.h:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/init.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_create.cc:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/mini_client.cc:
  Auto merged
sql/net_serv.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/records.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_acl.h:
  Auto merged
sql/sql_analyse.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_list.h:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/share/czech/errmsg.txt:
  Auto merged
sql/share/danish/errmsg.txt:
  Auto merged
sql/share/dutch/errmsg.txt:
  Auto merged
sql/share/english/errmsg.txt:
  Auto merged
sql/share/estonian/errmsg.txt:
  Auto merged
sql/share/french/errmsg.txt:
  Auto merged
sql/share/greek/errmsg.txt:
  Auto merged
sql/share/hungarian/errmsg.txt:
  Auto merged
sql/share/italian/errmsg.txt:
  Auto merged
sql/share/japanese/errmsg.txt:
  Auto merged
sql/share/korean/errmsg.txt:
  Auto merged
sql/share/norwegian-ny/errmsg.txt:
  Auto merged
sql/share/norwegian/errmsg.txt:
  Auto merged
sql/share/portuguese/errmsg.txt:
  Auto merged
sql/share/romanian/errmsg.txt:
  Auto merged
sql/share/russian/errmsg.txt:
  Auto merged
sql/share/slovak/errmsg.txt:
  Auto merged
sql/share/spanish/errmsg.txt:
  Auto merged
sql/share/swedish/errmsg.txt:
  Auto merged
sql/share/ukrainian/errmsg.txt:
  Auto merged
sql/unireg.h:
  Auto merged
sql-bench/crash-me.sh:
  Auto merged
sql-bench/test-transactions.sh:
  Auto merged
strings/ctype-tis620.c:
  Auto merged
tests/grant.res:
  Auto merged
sql/log_event.cc:
  Merge with 4.0.13
  Cleaned up comment syntax

1 files changed, 31 insertions, 5 deletions

diff --git a/innobase/buf/buf0buf.c b/innobase/buf/buf0buf.c
index 14d538a14bc..1cdddaf6cb4 100644
--- a/innobase/buf/buf0buf.c
+++ b/innobase/buf/buf0buf.c
@@ -597,8 +597,9 @@ buf_pool_init(
 			/* Wipe contents of frame to eliminate a Purify
 			warning */
 
+#ifdef HAVE_purify
 			memset(block->frame, '\0', UNIV_PAGE_SIZE);
-
+#endif
 			if (srv_use_awe) {
 				/* Add to the list of blocks mapped to
 				frames */
@@ -1837,7 +1838,7 @@ buf_pool_invalidate(void)
 	freed = TRUE;
 
 	while (freed) {
-		freed = buf_LRU_search_and_free_block(0);
+		freed = buf_LRU_search_and_free_block(100);
 	}
 	
 	mutex_enter(&(buf_pool->mutex));
@@ -2057,6 +2058,29 @@ buf_get_n_pending_ios(void)
 }
 
 /*************************************************************************
+Returns the ratio in percents of modified pages in the buffer pool /
+database pages in the buffer pool. */
+
+ulint
+buf_get_modified_ratio_pct(void)
+/*============================*/
+{
+	ulint	ratio;
+
+	mutex_enter(&(buf_pool->mutex));
+
+	ratio = (100 * UT_LIST_GET_LEN(buf_pool->flush_list))
+		     / (1 + UT_LIST_GET_LEN(buf_pool->LRU)
+		        + UT_LIST_GET_LEN(buf_pool->free));
+
+		       /* 1 + is there to avoid division by zero */   
+
+	mutex_exit(&(buf_pool->mutex));
+
+	return(ratio);
+}
+
+/*************************************************************************
 Prints info of the buffer i/o. */
 
 void
@@ -2109,8 +2133,10 @@ buf_print_io(
 
 	buf += sprintf(buf,
 		"Pending writes: LRU %lu, flush list %lu, single page %lu\n",
-		buf_pool->n_flush[BUF_FLUSH_LRU],
-		buf_pool->n_flush[BUF_FLUSH_LIST],
+		buf_pool->n_flush[BUF_FLUSH_LRU]
+				+ buf_pool->init_flush[BUF_FLUSH_LRU],
+		buf_pool->n_flush[BUF_FLUSH_LIST]
+				+ buf_pool->init_flush[BUF_FLUSH_LIST],
 		buf_pool->n_flush[BUF_FLUSH_SINGLE_PAGE]);
 
 	current_time = time(NULL);
@@ -2144,7 +2170,7 @@ buf_print_io(
 		/ (buf_pool->n_page_gets - buf_pool->n_page_gets_old)));
 	} else {
 		buf += sprintf(buf,
-			"No buffer pool activity since the last printout\n");
+			"No buffer pool page gets since the last printout\n");
 	}
 
 	buf_pool->n_page_gets_old = buf_pool->n_page_gets;