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more fixes for IM to substitude mysqld_safe in startup scripts

This commit is contained in:
petr@mysql.com
2005-01-31 23:54:08 +03:00
parent 7ddedf1ee5
commit 84d5b3a332
14 changed files with 160 additions and 369 deletions

View File

@ -24,6 +24,7 @@
#pragma interface
#endif
class Instance;
class Instance_map;
#include "thread_registry.h"
@ -35,6 +36,13 @@ pthread_handler_decl(guardian, arg);
C_MODE_END
typedef struct st_guard_node
{
Instance *instance;
uint restart_counter;
time_t crash_moment;
} GUARD_NODE;
struct Guardian_thread_args
{
@ -67,13 +75,17 @@ public:
void run();
int init();
int start();
void shutdown();
void request_stop_instances();
int guard(Instance *instance);
int stop_guard(Instance *instance);
bool is_stopped;
public:
pthread_cond_t COND_guardian;
private:
int stop_instances();
int add_instance_to_list(Instance *instance, LIST **list);
void move_to_list(LIST **from, LIST **to);
@ -84,6 +96,13 @@ private:
LIST *starting_instances;
MEM_ROOT alloc;
enum { MEM_ROOT_BLOCK_SIZE= 512 };
/* this variable is set to TRUE when we want to stop Guardian thread */
bool shutdown_guardian;
/*
This var is usually set together with shutdown_guardian. this way we
request guardian to shut down all instances before termination
*/
bool request_stop;
};
#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_GUARDIAN_H */