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Merge mysql.com:/home/mysql_src/mysql-4.1-clean

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into mysql.com:/home/mysql_src/mysql-5.0-xa
This commit is contained in:
guilhem@mysql.com
2005-02-23 18:52:15 +01:00
parent d5f573713a 772b1cedcd
commit 99f0d74688
1 changed files with 3 additions and 2 deletions
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5
sql/lock.cc
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@@ -730,7 +730,7 @@ static void print_lock_error(int error, const char *table)
least the first step above)
global_read_lock_blocks_commit
count of threads which have the global read lock and block
commits (i.e. have completed the second step above)
commits (i.e. are in or have completed the second step above)
waiting_for_read_lock
count of threads which want to take a global read lock but cannot
protect_against_global_read_lock
@@ -902,7 +902,8 @@ void start_waiting_global_read_lock(THD *thd)
if (unlikely(thd->global_read_lock))
DBUG_VOID_RETURN;
(void) pthread_mutex_lock(&LOCK_open);
tmp= (!--protect_against_global_read_lock && waiting_for_read_lock);
tmp= (!--protect_against_global_read_lock &&
(waiting_for_read_lock || global_read_lock_blocks_commit));
(void) pthread_mutex_unlock(&LOCK_open);
if (tmp)
pthread_cond_broadcast(&COND_refresh);