manual merged (blame me!)

Build-tools/Do-compile:
  Auto merged
Docs/Makefile.am:
  Auto merged
innobase/btr/btr0cur.c:
  Auto merged
innobase/include/lock0lock.h:
  Auto merged
innobase/include/row0mysql.h:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/include/sync0arr.h:
  Auto merged
innobase/include/trx0trx.h:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/sync/sync0arr.c:
  Auto merged
innobase/trx/trx0trx.c:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
mysql-test/r/innodb.result:
  to be fixed after the merge

5 files changed, 12 insertions, 8 deletions

diff --git a/innobase/include/lock0lock.h b/innobase/include/lock0lock.h
index 9c5f35c6674..9f525042dcc 100644
--- a/innobase/include/lock0lock.h
+++ b/innobase/include/lock0lock.h
@@ -418,7 +418,8 @@ lock_release_off_kernel(
 /*====================*/
 	trx_t*	trx);	/* in: transaction */
 /*************************************************************************
-Releases table locks, and releases possible other transactions waiting
+Releases table locks explicitly requested with LOCK TABLES (indicated by
+lock type LOCK_TABLE_EXP), and releases possible other transactions waiting
 because of these locks. */
 
 void
@@ -548,7 +549,7 @@ extern lock_sys_t*	lock_sys;
 /* Lock types */
 #define LOCK_TABLE	16	/* these type values should be so high that */
 #define	LOCK_REC	32	/* they can be ORed to the lock mode */
-#define LOCK_TABLE_EXP	80	/* explicit table lock */
+#define LOCK_TABLE_EXP	80	/* explicit table lock (80 = 16 + 64) */
 #define LOCK_TYPE_MASK	0xF0UL	/* mask used to extract lock type from the
 				type_mode field in a lock */
 /* Waiting lock flag */
diff --git a/innobase/include/row0mysql.h b/innobase/include/row0mysql.h
index 390e8c4da57..8f6264944ce 100644
--- a/innobase/include/row0mysql.h
+++ b/innobase/include/row0mysql.h
@@ -161,11 +161,12 @@ row_lock_table_autoinc_for_mysql(
 	row_prebuilt_t*	prebuilt);	/* in: prebuilt struct in the MySQL
 					table handle */
 /*************************************************************************
-Unlocks a table lock possibly reserved by trx. */
+Unlocks all table locks explicitly requested by trx (with LOCK TABLES,
+lock type LOCK_TABLE_EXP). */
 
 void		  	
-row_unlock_table_for_mysql(
-/*=======================*/
+row_unlock_tables_for_mysql(
+/*========================*/
 	trx_t*	trx);	/* in: transaction */
 /*************************************************************************
 Sets a table lock on the table mentioned in prebuilt. */
diff --git a/innobase/include/srv0srv.h b/innobase/include/srv0srv.h
index c527d40bc79..c7ba39aaaf1 100644
--- a/innobase/include/srv0srv.h
+++ b/innobase/include/srv0srv.h
@@ -157,6 +157,7 @@ extern	ulint	srv_test_n_mutexes;
 extern	ulint	srv_test_array_size;
 
 extern ulint	srv_activity_count;
+extern ulint	srv_fatal_semaphore_wait_threshold;
 
 extern mutex_t*	kernel_mutex_temp;/* mutex protecting the server, trx structs,
 				query threads, and lock table: we allocate
diff --git a/innobase/include/sync0arr.h b/innobase/include/sync0arr.h
index e7d511f8137..92691d5fdd9 100644
--- a/innobase/include/sync0arr.h
+++ b/innobase/include/sync0arr.h
@@ -95,7 +95,7 @@ void
 sync_arr_wake_threads_if_sema_free(void);
 /*====================================*/
 /**************************************************************************
-Prints warnings of long semaphore waits to stderr. Currently > 120 sec. */
+Prints warnings of long semaphore waits to stderr. */
 
 void
 sync_array_print_long_waits(void);
diff --git a/innobase/include/trx0trx.h b/innobase/include/trx0trx.h
index a8c1df534da..7eb91048684 100644
--- a/innobase/include/trx0trx.h
+++ b/innobase/include/trx0trx.h
@@ -423,8 +423,9 @@ struct trx_struct{
 	lock_t*		auto_inc_lock;	/* possible auto-inc lock reserved by
 					the transaction; note that it is also
 					in the lock list trx_locks */
-	ulint		n_tables_locked;/* number of table locks reserved by
-					the transaction, stored in trx_locks */
+	ulint		n_lock_table_exp;/* number of explicit table locks
+					(LOCK TABLES) reserved by the
+					transaction, stored in trx_locks */
 	UT_LIST_NODE_T(trx_t)
 			trx_list;	/* list of transactions */
 	UT_LIST_NODE_T(trx_t)