Merge with 4.0.18

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
mysql-test/r/ctype_tis620.result-old:
  Merge rename: mysql-test/r/ctype_tis620.result -> mysql-test/r/ctype_tis620.result-old
BUILD/compile-pentium-max:
  Auto merged
BitKeeper/etc/config:
  Auto merged
Build-tools/Bootstrap:
  Auto merged
Build-tools/Do-compile:
  Auto merged
configure.in:
  Auto merged
mysql-test/t/ctype_tis620.test-old:
  Merge rename: mysql-test/t/ctype_tis620.test -> mysql-test/t/ctype_tis620.test-old
Docs/Makefile.am:
  Auto merged
client/mysqldump.c:
  Auto merged
client/mysqltest.c:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/my_sys.h:
  Auto merged
include/myisam.h:
  Auto merged
innobase/btr/btr0cur.c:
  Auto merged
innobase/ibuf/ibuf0ibuf.c:
  Auto merged
innobase/include/dict0dict.h:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/include/ut0mem.h:
  Auto merged
innobase/log/log0log.c:
  Auto merged
innobase/row/row0ins.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/ut/ut0mem.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_dynrec.c:
  Auto merged
myisam/mi_key.c:
  Auto merged
myisam/myisam_ftdump.c:
  Auto merged
myisam/myisamdef.h:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/alter_table.result:
  Auto merged
mysql-test/r/bdb.result:
  Auto merged
mysql-test/r/bigint.result:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged

1 files changed, 25 insertions, 0 deletions

diff --git a/innobase/srv/srv0start.c b/innobase/srv/srv0start.c
index e6fdc95fad0..7b9c7a4066e 100644
--- a/innobase/srv/srv0start.c
+++ b/innobase/srv/srv0start.c
@@ -1587,6 +1587,31 @@ NetWare. */
 
 	os_fast_mutex_free(&srv_os_test_mutex);
 
+	/***********************************************************/
+	/* Do NOT merge to the 4.1 code base! */
+	if (trx_sys_downgrading_from_4_1_1) {
+		fprintf(stderr,
+"InnoDB: You are downgrading from an InnoDB version which allows multiple\n"
+"InnoDB: tablespaces. Wait that purge and insert buffer merge run to\n"
+"InnoDB: completion...\n");
+		for (;;) {
+			os_thread_sleep(10000000);
+
+			if (0 == strcmp(srv_main_thread_op_info,
+					"waiting for server activity")) {
+				break;
+			}
+		}
+		fprintf(stderr,
+"InnoDB: Full purge and insert buffer merge completed.\n");
+
+	        trx_sys_mark_downgraded_from_4_1_1();
+
+		fprintf(stderr,
+"InnoDB: Downgraded from >= 4.1.1 to 4.0\n");
+	}
+	/***********************************************************/
+
 	if (srv_print_verbose_log) {
 	  	ut_print_timestamp(stderr);
 	  	fprintf(stderr,