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Backporting WL#4398 WL#1720

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Backporting BUG#44058 BUG#42244 BUG#45672 BUG#45673
Backporting BUG#45819 BUG#45973 BUG#39012
This commit is contained in:
He Zhenxing
2009-09-26 12:49:49 +08:00
parent e465d11383
commit 623ed58cfd
34 changed files with 4240 additions and 85 deletions
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21
sql/sql_class.h
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@ -22,6 +22,7 @@
#include "log.h"
#include "rpl_tblmap.h"
#include "replication.h"
/**
An interface that is used to take an action when
@ -1940,27 +1941,11 @@ public:
inline const char* enter_cond(pthread_cond_t *cond, pthread_mutex_t* mutex,
const char* msg)
{
const char* old_msg = proc_info;
safe_mutex_assert_owner(mutex);
mysys_var->current_mutex = mutex;
mysys_var->current_cond = cond;
proc_info = msg;
return old_msg;
return thd_enter_cond(this, cond, mutex, msg);
}
inline void exit_cond(const char* old_msg)
{
/*
Putting the mutex unlock in exit_cond() ensures that
mysys_var->current_mutex is always unlocked _before_ mysys_var->mutex is
locked (if that would not be the case, you'll get a deadlock if someone
does a THD::awake() on you).
*/
pthread_mutex_unlock(mysys_var->current_mutex);
pthread_mutex_lock(&mysys_var->mutex);
mysys_var->current_mutex = 0;
mysys_var->current_cond = 0;
proc_info = old_msg;
pthread_mutex_unlock(&mysys_var->mutex);
thd_exit_cond(this, old_msg);
}
inline time_t query_start() { query_start_used=1; return start_time; }
inline void set_time()