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fixed race that caused sig11s on simultaneous FLUSH LOGS

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(possibly also fixes binlog filename corruption problems--hasn't
been reproduced since)
This commit is contained in:
nick@mysql.com
2002-10-07 15:42:10 -06:00
parent 66646cc458
commit ec04d28468
3 changed files with 10 additions and 9 deletions
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1
BitKeeper/etc/logging_ok
View File

@ -30,3 +30,4 @@ zak@balfor.local
bar@bar.mysql.r18.ru
paul@teton.kitebird.com
serg@build.mysql2.com
nick@mysql.com

8
sql/log.cc
View File

@ -513,11 +513,11 @@ bool MYSQL_LOG::is_active(const char* log_file_name)
void MYSQL_LOG::new_file(bool inside_mutex)
{
if (!inside_mutex)
VOID(pthread_mutex_lock(&LOCK_log));
if (is_open())
{
char new_name[FN_REFLEN], *old_name=name;
if (!inside_mutex)
VOID(pthread_mutex_lock(&LOCK_log));
if (!no_rotate)
{
@ -550,9 +550,9 @@ void MYSQL_LOG::new_file(bool inside_mutex)
my_free(old_name,MYF(0));
last_time=query_start=0;
write_error=0;
if (!inside_mutex)
VOID(pthread_mutex_unlock(&LOCK_log));
}
if (!inside_mutex)
VOID(pthread_mutex_unlock(&LOCK_log));
}

8
sql/sql_parse.cc
View File

@ -2839,10 +2839,10 @@ bool reload_acl_and_cache(THD *thd, uint options, TABLE_LIST *tables)
}
if (options & REFRESH_LOG)
{
mysql_log.new_file();
mysql_update_log.new_file();
mysql_bin_log.new_file();
mysql_slow_log.new_file();
mysql_log.new_file(0);
mysql_update_log.new_file(0);
mysql_bin_log.new_file(0);
mysql_slow_log.new_file(0);
if (ha_flush_logs())
result=1;
}