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  • Committer: Stewart Smith
  • Date: 2010-11-03 03:27:09 UTC
  • mto: (1902.1.1 build) (1910.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 1903.
  • Revision ID: stewart@flamingspork.com-20101103032709-oyvfrc6eb8fzj0mr
fix docs warning: docs/unlock.rst:2: (WARNING/2) Title underline too short.

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plugin/memory/heap_priv.h
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */
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/* This file is included in all heap-files */
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#ifndef PLUGIN_HEAP_HEAP_PRIV_H
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#define PLUGIN_HEAP_HEAP_PRIV_H
 
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#ifndef PLUGIN_MEMORY_HEAP_PRIV_H
 
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#define PLUGIN_MEMORY_HEAP_PRIV_H
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#include "config.h"
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#include <drizzled/base.h>
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#include "drizzled/tree.h"
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#include <list>
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#include <boost/thread/mutex.hpp>
 
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/*
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  When allocating keys /rows in the internal block structure, do it
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  within the following boundaries.
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#define hp_find_hash(A,B) ((HASH_INFO*) hp_find_block((A),(B)))
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        /* Find pos for record and update it in info->current_ptr */
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#define hp_find_record(info,pos) (info)->current_ptr= hp_find_block(&(info)->s->recordspace.block,pos)
 
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#define hp_find_record(info,pos) (info)->current_ptr= hp_find_block(&(info)->getShare()->recordspace.block,pos)
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#define get_chunk_status(info,ptr) (ptr[(info)->offset_status])
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  unsigned char *ptr_to_rec;
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} HASH_INFO;
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typedef struct {
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  HA_KEYSEG *keyseg;
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  uint32_t key_length;
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  uint32_t search_flag;
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} heap_rb_param;
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        /* Prototypes for intern functions */
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extern HP_SHARE *hp_find_named_heap(const char *name);
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extern int hp_get_new_block(HP_BLOCK *info, size_t* alloc_length);
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extern void hp_free(HP_SHARE *info);
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extern unsigned char *hp_free_level(HP_BLOCK *block,uint32_t level,HP_PTRS *pos,
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                           unsigned char *last_pos);
 
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                                    unsigned char *last_pos);
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extern int hp_write_key(HP_INFO *info, HP_KEYDEF *keyinfo,
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                        const unsigned char *record, unsigned char *recpos);
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extern int hp_rb_write_key(HP_INFO *info, HP_KEYDEF *keyinfo,
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                           const unsigned char *record, unsigned char *recpos);
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extern int hp_rb_delete_key(HP_INFO *info,HP_KEYDEF *keyinfo,
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                            const unsigned char *record,unsigned char *recpos,int flag);
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extern int hp_delete_key(HP_INFO *info,HP_KEYDEF *keyinfo,
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                         const unsigned char *record,unsigned char *recpos,int flag);
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extern HASH_INFO *_heap_find_hash(HP_BLOCK *block,uint32_t pos);
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                          const unsigned char *rec2,
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                          bool diff_if_only_endspace_difference);
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extern void hp_make_key(HP_KEYDEF *keydef,unsigned char *key,const unsigned char *rec);
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extern uint32_t hp_rb_make_key(HP_KEYDEF *keydef, unsigned char *key,
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                           const unsigned char *rec, unsigned char *recpos);
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extern uint32_t hp_rb_key_length(HP_KEYDEF *keydef, const unsigned char *key);
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extern uint32_t hp_rb_null_key_length(HP_KEYDEF *keydef, const unsigned char *key);
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extern uint32_t hp_rb_var_key_length(HP_KEYDEF *keydef, const unsigned char *key);
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extern bool hp_if_null_in_key(HP_KEYDEF *keyinfo, const unsigned char *record);
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extern int hp_close(HP_INFO *info);
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extern void hp_clear(HP_SHARE *info);
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extern uint32_t hp_rb_pack_key(HP_KEYDEF *keydef,
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                               unsigned char *key, const unsigned char *old,
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                               drizzled::key_part_map keypart_map);
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   /* Chunkset management (alloc/free/encode/decode) functions */
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extern unsigned char *hp_allocate_chunkset(HP_DATASPACE *info, uint32_t chunk_count);
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extern int hp_reallocate_chunkset(HP_DATASPACE *info, uint32_t chunk_count, unsigned char* pos);
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extern void hp_free_chunks(HP_DATASPACE *info, unsigned char *pos);
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extern void hp_clear_dataspace(HP_DATASPACE *info);
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extern uint32_t hp_get_encoded_data_length(HP_SHARE *info, const unsigned char *record, uint32_t *chunk_count);
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extern void hp_copy_record_data_to_chunkset(HP_SHARE *info, const unsigned char *record, unsigned char *pos);
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extern void hp_extract_record(HP_SHARE *info, unsigned char *record, const unsigned char *pos);
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extern uint32_t hp_process_record_data_to_chunkset(HP_SHARE *info, const unsigned char *record, unsigned char *pos, uint32_t is_compare);
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extern pthread_mutex_t THR_LOCK_heap;
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#endif /* PLUGIN_HEAP_HEAP_PRIV_H */
 
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extern bool hp_compare_record_data_to_chunkset(HP_SHARE *info, const unsigned char *record, unsigned char *pos);
 
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extern boost::mutex THR_LOCK_heap;
 
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#endif /* PLUGIN_MEMORY_HEAP_PRIV_H */