diff options
Diffstat (limited to 'include/my_sys.h')
| -rw-r--r-- | include/my_sys.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/include/my_sys.h b/include/my_sys.h index d1c7b658665..604eaf34fb7 100644 --- a/include/my_sys.h +++ b/include/my_sys.h @@ -505,44 +505,6 @@ my_off_t my_b_append_tell(IO_CACHE* info); typedef uint32 ha_checksum; -/* Pointer to a key cache data structure (see the key cache module) */ -typedef struct st_key_cache* KEY_CACHE_HANDLE; - -/* Key cache variable structure */ -/* - The structure contains the parameters of a key cache that can - be set and undated by regular set global statements. - It also contains read-only statistics parameters. - If the corresponding key cache data structure has been already - created the variable contains the key cache handle. - The variables are put into a named list called key_caches. - At present the variables are only added to this list. -*/ -typedef struct st_key_cache_var -{ - ulonglong buff_size; /* size the memory allocated for the cache */ - ulong block_size; /* size of the blocks in the key cache */ - ulong division_limit; /* min. percentage of warm blocks */ - ulong age_threshold; /* determines when hot block is downgraded */ - KEY_CACHE_HANDLE cache; /* handles for the current and registered */ - ulong blocks_used; /* number of currently used blocks */ - ulong blocks_changed; /* number of currently dirty blocks */ - ulong cache_w_requests; /* number of write requests (write hits) */ - ulong cache_write; /* number of writes from the cache to files */ - ulong cache_r_requests; /* number of read requests (read hits) */ - ulong cache_read; /* number of reads from files to the cache */ - int blocks; /* max number of blocks in the cache */ - my_bool in_init; /* Set to 1 in MySQL during init/resize */ - struct st_key_cache_asmt *assign_list; /* list of assignments to the cache */ - int assignments; /* number of not completed assignments */ - void (*action)(void *); /* optional call back function */ - void *extra_info; /* ptr to extra info */ -} KEY_CACHE_VAR; - - -extern KEY_CACHE_HANDLE *dflt_keycache; -extern KEY_CACHE_VAR dflt_key_cache_var; - #include <my_alloc.h> /* Prototypes for mysys and my_func functions */ @@ -682,33 +644,6 @@ extern int flush_write_cache(RECORD_CACHE *info); extern long my_clock(void); extern sig_handler sigtstp_handler(int signal_number); extern void handle_recived_signals(void); -extern int init_key_cache(KEY_CACHE_HANDLE *pkeycache, - uint key_cache_block_size, - ulong use_mem, KEY_CACHE_VAR* env); -extern int resize_key_cache(KEY_CACHE_HANDLE *pkeycache, - uint key_cache_block_size, ulong use_mem); -extern void change_key_cache_param(KEY_CACHE_HANDLE keycache); -extern byte *key_cache_read(KEY_CACHE_HANDLE keycache, - File file, my_off_t filepos, int level, - byte* buff, uint length, - uint block_length,int return_buffer); -extern int key_cache_insert(KEY_CACHE_HANDLE keycache, - File file, my_off_t filepos, int level, - byte *buff, uint length); -extern int key_cache_write(KEY_CACHE_HANDLE keycache, - File file, my_off_t filepos, int level, - byte* buff, uint length, - uint block_length,int force_write); -extern int flush_key_blocks(KEY_CACHE_HANDLE keycache, - int file, enum flush_type type); -extern void end_key_cache(KEY_CACHE_HANDLE keycache, my_bool cleanup); -extern my_bool multi_keycache_init(void); -extern void multi_keycache_free(void); -extern KEY_CACHE_HANDLE *multi_key_cache_search(byte *key, uint length); -extern my_bool multi_key_cache_set(const byte *key, uint length, - KEY_CACHE_HANDLE *key_cache); -extern void multi_key_cache_change(KEY_CACHE_HANDLE *old_data, - KEY_CACHE_HANDLE *new_data); extern sig_handler my_set_alarm_variable(int signo); extern void my_string_ptr_sort(void *base,uint items,size_s size); |