Merge gbichot@213.136.52.20:/home/bk/mysql-4.1

into mysql.com:/home/mysql_src/mysql-4.1-874


include/mysql.h:
  Auto merged
libmysql/libmysql.c:
  Auto merged
sql/sql_parse.cc:
  Auto merged

2 files changed, 24 insertions, 1 deletions

diff --git a/include/mysql.h b/include/mysql.h
index 39b9b7da000..931995fb1ac 100644
--- a/include/mysql.h
+++ b/include/mysql.h
@@ -453,7 +453,9 @@ int             STDCALL mysql_add_slave(MYSQL* mysql, const char* host,
 					const char* user,
 					const char* passwd);
 
-int		STDCALL mysql_shutdown(MYSQL *mysql);
+int		STDCALL mysql_shutdown(MYSQL *mysql,
+                                       enum enum_shutdown_level
+                                       shutdown_level);
 int		STDCALL mysql_dump_debug_info(MYSQL *mysql);
 int		STDCALL mysql_refresh(MYSQL *mysql,
 				     unsigned int refresh_options);
diff --git a/include/mysql_com.h b/include/mysql_com.h
index d354a979cd1..90859b467c6 100644
--- a/include/mysql_com.h
+++ b/include/mysql_com.h
@@ -223,6 +223,27 @@ enum enum_field_types { MYSQL_TYPE_DECIMAL, MYSQL_TYPE_TINY,
 #define FIELD_TYPE_INTERVAL    MYSQL_TYPE_ENUM
 #define FIELD_TYPE_GEOMETRY    MYSQL_TYPE_GEOMETRY
 
+enum enum_shutdown_level {
+  /*
+    We want levels to be in growing order of gracefulness. So we leave room
+    for future intermediate levels. For now, escalating one level is += 10;
+    later if we insert new levels in between we will need a function
+    next_shutdown_level(level). Note that DEFAULT does not respect the
+    growing property.
+  */
+  SHUTDOWN_DEFAULT= 0, /* mapped to WAIT_ALL_BUFFERS for now */
+  /*
+    Here is the list in growing order (the next does the previous plus
+    something). WAIT_ALL_BUFFERS is what we have now. Others are "this MySQL
+    server does not support this shutdown level yet".
+  */
+  SHUTDOWN_WAIT_CRITICAL_BUFFERS= 10, /* flush MyISAM buffs (no corruption) */
+  SHUTDOWN_WAIT_ALL_BUFFERS= 20, /* flush InnoDB buffers */
+  SHUTDOWN_WAIT_STATEMENTS= 30, /* wait for existing updating stmts to finish */
+  SHUTDOWN_WAIT_TRANSACTIONS= 40, /* wait for existing trans to finish */
+  SHUTDOWN_WAIT_CONNECTIONS= 50 /* wait for existing connections to finish */
+};
+
 /* options for mysql_set_option */
 enum enum_mysql_set_option
 {