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From:kevin.lewis Date:October 4 2011 3:44pm
Subject:bzr push into mysql-5.5 branch (kevin.lewis:3565)
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 3565 kevin.lewis@stripped	2011-10-04 [merge]
      Merge with current mysql-5.5

    modified:
      support-files/mysql.spec.sh
=== modified file 'storage/innobase/include/sync0rw.h'
--- a/storage/innobase/include/sync0rw.h	revid:joerg.bruehe@stripped
+++ b/storage/innobase/include/sync0rw.h	revid:kevin.lewis@stripped
@@ -542,7 +542,7 @@ mutex. */
 UNIV_INTERN
 void
 rw_lock_debug_mutex_enter(void);
-/*==========================*/
+/*===========================*/
 /******************************************************************//**
 Releases the debug mutex. */
 UNIV_INTERN
@@ -632,7 +632,8 @@ struct rw_lock_struct {
 };
 
 #ifdef UNIV_SYNC_DEBUG
-/** The structure for storing debug info of an rw-lock */
+/** The structure for storing debug info of an rw-lock.  All access to this
+structure must be protected by rw_lock_debug_mutex_enter(). */
 struct	rw_lock_debug_struct {
 
 	os_thread_id_t thread_id;  /*!< The thread id of the thread which

=== modified file 'storage/innobase/sync/sync0rw.c'
--- a/storage/innobase/sync/sync0rw.c	revid:joerg.bruehe@stripped
+++ b/storage/innobase/sync/sync0rw.c	revid:kevin.lewis@stripped
@@ -715,7 +715,7 @@ mutex. */
 UNIV_INTERN
 void
 rw_lock_debug_mutex_enter(void)
-/*==========================*/
+/*===========================*/
 {
 loop:
 	if (0 == mutex_enter_nowait(&rw_lock_debug_mutex)) {
@@ -942,11 +942,13 @@ rw_lock_list_print_info(
 				putc('\n', file);
 			}
 
+			rw_lock_debug_mutex_enter();
 			info = UT_LIST_GET_FIRST(lock->debug_list);
 			while (info != NULL) {
 				rw_lock_debug_print(file, info);
 				info = UT_LIST_GET_NEXT(list, info);
 			}
+			rw_lock_debug_mutex_exit();
 		}
 #ifndef INNODB_RW_LOCKS_USE_ATOMICS
 		mutex_exit(&(lock->mutex));
@@ -990,11 +992,13 @@ rw_lock_print(
 			putc('\n', stderr);
 		}
 
+		rw_lock_debug_mutex_enter();
 		info = UT_LIST_GET_FIRST(lock->debug_list);
 		while (info != NULL) {
 			rw_lock_debug_print(stderr, info);
 			info = UT_LIST_GET_NEXT(list, info);
 		}
+		rw_lock_debug_mutex_exit();
 	}
 }
 

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bzr push into mysql-5.5 branch (kevin.lewis:3565) kevin.lewis11 Oct