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#ifndef STORAGE_PERFSCHEMA_MYSQL_THD_MANAGER_INCLUDED
#define STORAGE_PERFSCHEMA_MYSQL_THD_MANAGER_INCLUDED
#include "my_global.h"
#include "my_thread.h"
class Find_THD_Impl
{
public:
virtual ~Find_THD_Impl() {}
virtual bool operator()(THD *thd) = 0;
};
class Do_THD_Impl
{
public:
virtual ~Do_THD_Impl() {}
virtual void operator()(THD*) = 0;
};
class Global_THD_manager
{
public:
static Global_THD_manager* get_instance();
THD* find_thd(Find_THD_Impl *func);
void do_for_all_thd(Do_THD_Impl *arg);
};
ulong get_system_variable_hash_records(void);
#endif
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