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local merge

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This commit is contained in:
Marc Alff 2010-09-17 10:21:53 -06:00
commit fdb40d42e5
3 changed files with 15 additions and 7 deletions
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5
sql/log.cc
View file

@ -5284,11 +5284,8 @@ int MYSQL_BIN_LOG::wait_for_update_bin_log(THD* thd,
const struct timespec *timeout)
{
int ret= 0;
const char* old_msg = thd->proc_info;
DBUG_ENTER("wait_for_update_bin_log");
old_msg= thd->enter_cond(&update_cond, &LOCK_log,
"Master has sent all binlog to slave; "
"waiting for binlog to be updated");
if (!timeout)
mysql_cond_wait(&update_cond, &LOCK_log);
else

1
sql/log.h
View file

@ -460,6 +460,7 @@ public:
inline char* get_log_fname() { return log_file_name; }
inline char* get_name() { return name; }
inline mysql_mutex_t* get_log_lock() { return &LOCK_log; }
inline mysql_cond_t* get_log_cond() { return &update_cond; }
inline IO_CACHE* get_log_file() { return &log_file; }
inline void lock_index() { mysql_mutex_lock(&LOCK_index);}

16
sql/sql_repl.cc
View file

@ -448,6 +448,8 @@ void mysql_binlog_send(THD* thd, char* log_ident, my_off_t pos,
const char *errmsg = "Unknown error";
NET* net = &thd->net;
mysql_mutex_t *log_lock;
mysql_cond_t *log_cond;
bool binlog_can_be_corrupted= FALSE;
#ifndef DBUG_OFF
int left_events = max_binlog_dump_events;
@ -591,7 +593,8 @@ impossible position";
mysql_bin_log, and it's already inited, and it will be destroyed
only at shutdown).
*/
log_lock = mysql_bin_log.get_log_lock();
log_lock= mysql_bin_log.get_log_lock();
log_cond= mysql_bin_log.get_log_cond();
if (pos > BIN_LOG_HEADER_SIZE)
{
/* reset transmit packet for the event read from binary log
@ -826,6 +829,7 @@ impossible position";
#ifndef DBUG_OFF
ulong hb_info_counter= 0;
#endif
const char* old_msg= thd->proc_info;
signal_cnt= mysql_bin_log.signal_cnt;
do
{
@ -834,6 +838,9 @@ impossible position";
DBUG_ASSERT(heartbeat_ts && heartbeat_period != 0);
set_timespec_nsec(*heartbeat_ts, heartbeat_period);
}
thd->enter_cond(log_cond, log_lock,
"Master has sent all binlog to slave; "
"waiting for binlog to be updated");
ret= mysql_bin_log.wait_for_update_bin_log(thd, heartbeat_ts);
DBUG_ASSERT(ret == 0 || (heartbeat_period != 0 && coord != NULL));
if (ret == ETIMEDOUT || ret == ETIME)
@ -849,12 +856,15 @@ impossible position";
#endif
/* reset transmit packet for the heartbeat event */
if (reset_transmit_packet(thd, flags, &ev_offset, &errmsg))
{
thd->exit_cond(old_msg);
goto err;
}
if (send_heartbeat_event(net, packet, coord))
{
errmsg = "Failed on my_net_write()";
my_errno= ER_UNKNOWN_ERROR;
mysql_mutex_unlock(log_lock);
thd->exit_cond(old_msg);
goto err;
}
}
@ -863,7 +873,7 @@ impossible position";
DBUG_PRINT("wait",("binary log received update or a broadcast signal caught"));
}
} while (signal_cnt == mysql_bin_log.signal_cnt && !thd->killed);
mysql_mutex_unlock(log_lock);
thd->exit_cond(old_msg);
}
break;