From 6366a9090c7fc24f0e13b5b9d73d6777dcda9d9e Mon Sep 17 00:00:00 2001
From: unknown <heikki@hundin.mysql.fi>
Date: Fri, 9 Apr 2004 22:18:18 +0300
Subject: [PATCH] ha_innodb.cc, sync0sync.h, sync0sync.c:   Use only noninlined
 InnoDB functions in ha_innodb.cc

innobase/sync/sync0sync.c:
  Use only noninlined InnoDB functions in ha_innodb.cc
innobase/include/sync0sync.h:
  Use only noninlined InnoDB functions in ha_innodb.cc
sql/ha_innodb.cc:
  Use only noninlined InnoDB functions in ha_innodb.cc
---
 innobase/include/sync0sync.h | 16 ++++++++++++++++
 innobase/sync/sync0sync.c    | 24 ++++++++++++++++++++++++
 sql/ha_innodb.cc             |  9 ++++++---
 3 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/innobase/include/sync0sync.h b/innobase/include/sync0sync.h
index abc5350b6c0..38f1489682a 100644
--- a/innobase/include/sync0sync.h
+++ b/innobase/include/sync0sync.h
@@ -65,6 +65,15 @@ NOTE! The following macro should be used in mutex locking, not the
 corresponding function. */
 
 #define mutex_enter(M)    mutex_enter_func((M), IB__FILE__, __LINE__)
+/**********************************************************************
+A noninlined function that reserves a mutex. In ha_innodb.cc we have disabled
+inlining of InnoDB functions, and no inlined functions should be called from
+there. That is why we need to duplicate the inlined function here. */
+
+void
+mutex_enter_noninline(
+/*==================*/
+	mutex_t*	mutex);	/* in: mutex */
 /******************************************************************
 NOTE! The following macro should be used in mutex locking, not the
 corresponding function. */
@@ -105,6 +114,13 @@ mutex_exit(
 /*=======*/
 	mutex_t*	mutex);	/* in: pointer to mutex */
 /**********************************************************************
+Releases a mutex. */
+
+void
+mutex_exit_noninline(
+/*=================*/
+	mutex_t*	mutex);	/* in: mutex */
+/**********************************************************************
 Returns TRUE if no mutex or rw-lock is currently locked.
 Works only in the debug version. */
 
diff --git a/innobase/sync/sync0sync.c b/innobase/sync/sync0sync.c
index 952510c49e3..eaeb56b4983 100644
--- a/innobase/sync/sync0sync.c
+++ b/innobase/sync/sync0sync.c
@@ -167,6 +167,30 @@ struct sync_level_struct{
 	ulint	level;	/* level of the latch in the latching order */
 };
 
+/**********************************************************************
+A noninlined function that reserves a mutex. In ha_innodb.cc we have disabled
+inlining of InnoDB functions, and no inlined functions should be called from
+there. That is why we need to duplicate the inlined function here. */
+
+void
+mutex_enter_noninline(
+/*==================*/
+	mutex_t*	mutex)	/* in: mutex */
+{
+	mutex_enter(mutex);
+}
+
+/**********************************************************************
+Releases a mutex. */
+
+void
+mutex_exit_noninline(
+/*=================*/
+	mutex_t*	mutex)	/* in: mutex */
+{
+	mutex_exit(mutex);
+}
+
 /**********************************************************************
 Creates, or rather, initializes a mutex object in a specified memory
 location (which must be appropriately aligned). The mutex is initialized
diff --git a/sql/ha_innodb.cc b/sql/ha_innodb.cc
index 759679d5bd6..7a651fc12d9 100644
--- a/sql/ha_innodb.cc
+++ b/sql/ha_innodb.cc
@@ -15,7 +15,9 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
 /* This file defines the InnoDB handler: the interface between MySQL and
-InnoDB */
+InnoDB
+NOTE: You can only use noninlined InnoDB functions in this file, because we
+have disables the InnoDB inlining in this file. */
 
 #ifdef __GNUC__
 #pragma implementation				// gcc: Class implementation
@@ -64,6 +66,7 @@ extern "C" {
 #include "../innobase/include/btr0cur.h"
 #include "../innobase/include/btr0btr.h"
 #include "../innobase/include/fsp0fsp.h"
+#include "../innobase/include/sync0sync.h"
 }
 
 #define HA_INNOBASE_ROWS_IN_TABLE 10000 /* to get optimization right */
@@ -4629,7 +4632,7 @@ innodb_show_status(
 	long	flen;
 	char*	str;
 
-	mutex_enter(&srv_monitor_file_mutex);
+	mutex_enter_noninline(&srv_monitor_file_mutex);
 	rewind(srv_monitor_file);
 	srv_printf_innodb_monitor(srv_monitor_file);
 	flen = ftell(srv_monitor_file);
@@ -4650,7 +4653,7 @@ innodb_show_status(
 		str[flen] = 0;
 	}
 
-	mutex_exit(&srv_monitor_file_mutex);
+	mutex_exit_noninline(&srv_monitor_file_mutex);
 
 	List<Item> field_list;