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mariadb/include/db.h
Bradley C. Kuszmaul de9326db73 close[t:4707] Rename xid_t to avoid conflicts with the handlerton. Closes #4707. 
git-svn-id: file:///svn/toku/tokudb@41667 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-17 00:00:17 -04:00

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#ifndef _DB_H
#define _DB_H
/* This code generated by make_db_h. Copyright (c) 2007-2011 Tokutek */
#ident "Copyright (c) 2007-2011 Tokutek Inc. All rights reserved."
#include <sys/types.h>
/*stdio is needed for the FILE* in db->verify*/
#include <stdio.h>
#include <stdint.h>
#if defined(__cplusplus)
extern "C" {
#endif
#define TOKUDB 1
#define TOKUDB_NATIVE_H 1
#define DB_VERSION_MAJOR 4
#define DB_VERSION_MINOR 6
/* As of r40364 (post TokuDB 5.2.7), the patch version number is 100+ the BDB header patch version number.*/
#define DB_VERSION_PATCH 119
#define DB_VERSION_STRING "Tokutek: TokuDB 4.6.119"
#define DB_GID_SIZE 128
typedef struct toku_xa_xid_s { /* This struct is intended to be binary compatible with the XID in the XA architecture. See source:/import/opengroup.org/C193.pdf */
long formatID; /* format identifier */
long gtrid_length; /* value from 1 through 64 */
long bqual_length; /* value from 1 through 64 */
char data[DB_GID_SIZE];
} TOKU_XA_XID;
#ifndef TOKU_OFF_T_DEFINED
#define TOKU_OFF_T_DEFINED
typedef int64_t toku_off_t;
#endif
typedef struct __toku_db_env DB_ENV;
typedef struct __toku_db_key_range DB_KEY_RANGE;
typedef struct __toku_db_lsn DB_LSN;
typedef struct __toku_db DB;
typedef struct __toku_db_txn DB_TXN;
typedef struct __toku_db_txn_active DB_TXN_ACTIVE;
typedef struct __toku_db_txn_stat DB_TXN_STAT;
typedef struct __toku_dbc DBC;
typedef struct __toku_dbt DBT;
typedef struct __toku_db_preplist { DB_TXN *txn; uint8_t gid[DB_GID_SIZE]; } DB_PREPLIST;
typedef u_int32_t db_recno_t;
typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);
#include <tdb-internal.h>
typedef struct __toku_db_btree_stat64 {
u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened) */
u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened) */
u_int64_t bt_dsize; /* how big are the keys+values (not counting the lengths) (an estimate, unless flattened) */
u_int64_t bt_fsize; /* how big is the underlying file */
u_int64_t bt_create_time_sec; /* Creation time, in seconds */
u_int64_t bt_modify_time_sec; /* Time of last serialization, in seconds */
u_int64_t bt_verify_time_sec; /* Time of last verification, in seconds */
} DB_BTREE_STAT64;
typedef enum toku_compression_method {
TOKU_NO_COMPRESSION = 0,
TOKU_ZLIB_METHOD = 8,
TOKU_QUICKLZ_METHOD = 9,
TOKU_LZMA_METHOD = 10,
TOKU_DEFAULT_COMPRESSION_METHOD = 1,
TOKU_FAST_COMPRESSION_METHOD = 2,
TOKU_SMALL_COMPRESSION_METHOD = 3,
} TOKU_COMPRESSION_METHOD;
typedef struct __toku_loader DB_LOADER;
struct __toku_loader_internal;
struct __toku_loader {
struct __toku_loader_internal *i;
int (*set_error_callback)(DB_LOADER *loader, void (*error_cb)(DB *db, int i, int err, DBT *key, DBT *val, void *error_extra), void *error_extra); /* set the error callback */
int (*set_poll_function)(DB_LOADER *loader, int (*poll_func)(void *extra, float progress), void *poll_extra); /* set the polling function */
int (*put)(DB_LOADER *loader, DBT *key, DBT* val); /* give a row to the loader */
int (*close)(DB_LOADER *loader); /* finish loading, free memory */
int (*abort)(DB_LOADER *loader); /* abort loading, free memory */
};
typedef struct __toku_indexer DB_INDEXER;
struct __toku_indexer_internal;
struct __toku_indexer {
struct __toku_indexer_internal *i;
int (*set_error_callback)(DB_INDEXER *indexer, void (*error_cb)(DB *db, int i, int err, DBT *key, DBT *val, void *error_extra), void *error_extra); /* set the error callback */
int (*set_poll_function)(DB_INDEXER *indexer, int (*poll_func)(void *extra, float progress), void *poll_extra); /* set the polling function */
int (*build)(DB_INDEXER *indexer); /* build the indexes */
int (*close)(DB_INDEXER *indexer); /* finish indexing, free memory */
int (*abort)(DB_INDEXER *indexer); /* abort indexing, free memory */
};
typedef enum {
FS_GREEN = 0, // green zone (we have lots of space)
FS_YELLOW = 1, // yellow zone (issue warning but allow operations)
FS_RED = 2, // red zone (prevent insert operations)
FS_BLOCKED = 3 // For reporting engine status, completely blocked
} fs_redzone_state;
// engine status info
// engine status is passed to handlerton as an array of TOKU_ENGINE_STATUS_ROW_S[]
typedef enum {
FS_STATE = 0, // interpret as file system state (redzone) enum
UINT64, // interpret as uint64_t
CHARSTR, // interpret as char *
UNIXTIME, // interpret as time_t
TOKUTIME // interpret as tokutime_t
} toku_engine_status_display_type;
typedef struct __toku_engine_status_row {
char * keyname; // info schema key, should not change across revisions without good reason
char * legend; // the text that will appear at user interface
toku_engine_status_display_type type; // how to interpret the value
union {
uint64_t num;
char * str;
} value;
} * TOKU_ENGINE_STATUS_ROW, TOKU_ENGINE_STATUS_ROW_S;
typedef enum {
DB_BTREE=1,
DB_UNKNOWN=5
} DBTYPE;
#define DB_VERB_DEADLOCK 1
#define DB_VERB_RECOVERY 8
#define DB_VERB_REPLICATION 32
#define DB_VERB_WAITSFOR 64
#define DB_ARCH_ABS 1
#define DB_ARCH_LOG 4
#define DB_CREATE 1
#define DB_CXX_NO_EXCEPTIONS 1
#define DB_EXCL 16384
#define DB_PRIVATE 8388608
#define DB_RDONLY 32
#define DB_RECOVER 64
#define DB_RUNRECOVERY -30975
#define DB_THREAD 128
#define DB_TXN_NOSYNC 512
#define DB_LOCK_DEFAULT 1
#define DB_LOCK_OLDEST 7
#define DB_LOCK_RANDOM 8
#define DB_KEYFIRST 13
#define DB_KEYLAST 14
#define DB_NOOVERWRITE 20
#define DB_NODUPDATA 19
#define DB_NOOVERWRITE_NO_ERROR 1
#define DB_OPFLAGS_MASK 255
#define DB_AUTO_COMMIT 33554432
#define DB_INIT_LOCK 131072
#define DB_INIT_LOG 262144
#define DB_INIT_MPOOL 524288
#define DB_INIT_TXN 2097152
#define DB_KEYEXIST -30996
#define DB_LOCK_DEADLOCK -30995
#define DB_LOCK_NOTGRANTED -30994
#define DB_NOTFOUND -30989
#define DB_SECONDARY_BAD -30974
#define DB_DONOTINDEX -30998
#define DB_BUFFER_SMALL -30999
#define DB_BADFORMAT -30500
#define DB_DELETE_ANY 65536
#define DB_TRUNCATE_WITHCURSORS 131072
#define DB_FIRST 7
#define DB_LAST 15
#define DB_CURRENT 6
#define DB_NEXT 16
#define DB_NEXT_NODUP 18
#define DB_PREV 23
#define DB_PREV_NODUP 25
#define DB_SET 26
#define DB_SET_RANGE 27
#define DB_CURRENT_BINDING 253
#define DB_SET_RANGE_REVERSE 252
#define DB_RMW 1073741824
#define DB_IS_RESETTING_OP 0x01000000
#define DB_PRELOCKED 0x00800000
#define DB_PRELOCKED_WRITE 0x00400000
#define DB_IS_HOT_INDEX 0x00100000
#define DBC_DISABLE_PREFETCHING 0x20000000
#define DB_UPDATE_CMP_DESCRIPTOR 0x40000000
#define DB_DBT_APPMALLOC 1
#define DB_DBT_DUPOK 2
#define DB_DBT_MALLOC 8
#define DB_DBT_MULTIPLE 16
#define DB_DBT_REALLOC 64
#define DB_DBT_USERMEM 256
#define DB_LOG_AUTOREMOVE 524288
#define DB_TXN_WRITE_NOSYNC 4096
#define DB_TXN_NOWAIT 1024
#define DB_TXN_SYNC 16384
#define DB_TXN_SNAPSHOT 268435456
#define DB_READ_UNCOMMITTED 134217728
#define DB_READ_COMMITTED 67108864
#define DB_INHERIT_ISOLATION 1
#define DB_SERIALIZABLE 2
/* TOKUDB specific error codes */
#define TOKUDB_OUT_OF_LOCKS -100000
#define TOKUDB_SUCCEEDED_EARLY -100001
#define TOKUDB_FOUND_BUT_REJECTED -100002
#define TOKUDB_USER_CALLBACK_ERROR -100003
#define TOKUDB_DICTIONARY_TOO_OLD -100004
#define TOKUDB_DICTIONARY_TOO_NEW -100005
#define TOKUDB_DICTIONARY_NO_HEADER -100006
#define TOKUDB_CANCELED -100007
#define TOKUDB_NO_DATA -100008
#define TOKUDB_ACCEPT -100009
#define TOKUDB_MVCC_DICTIONARY_TOO_NEW -100010
#define TOKUDB_UPGRADE_FAILURE -100011
#define TOKUDB_TRY_AGAIN -100012
#define TOKUDB_NEEDS_REPAIR -100013
#define TOKUDB_CURSOR_CONTINUE -100014
/* LOADER flags */
#define LOADER_USE_PUTS 1
typedef int (*generate_row_for_put_func)(DB *dest_db, DB *src_db, DBT *dest_key, DBT *dest_val, const DBT *src_key, const DBT *src_val);
typedef int (*generate_row_for_del_func)(DB *dest_db, DB *src_db, DBT *dest_key, const DBT *src_key, const DBT *src_val);
struct __toku_db_env {
struct __toku_db_env_internal *i;
#define db_env_struct_i(x) ((x)->i)
int (*checkpointing_set_period) (DB_ENV*, u_int32_t) /* Change the delay between automatic checkpoints. 0 means disabled. */;
int (*checkpointing_get_period) (DB_ENV*, u_int32_t*) /* Retrieve the delay between automatic checkpoints. 0 means disabled. */;
int (*cleaner_set_period) (DB_ENV*, u_int32_t) /* Change the delay between automatic cleaner attempts. 0 means disabled. */;
int (*cleaner_get_period) (DB_ENV*, u_int32_t*) /* Retrieve the delay between automatic cleaner attempts. 0 means disabled. */;
int (*cleaner_set_iterations) (DB_ENV*, u_int32_t) /* Change the number of attempts on each cleaner invokation. 0 means disabled. */;
int (*cleaner_get_iterations) (DB_ENV*, u_int32_t*) /* Retrieve the number of attempts on each cleaner invokation. 0 means disabled. */;
int (*checkpointing_postpone) (DB_ENV*) /* Use for 'rename table' or any other operation that must be disjoint from a checkpoint */;
int (*checkpointing_resume) (DB_ENV*) /* Alert tokudb 'postpone' is no longer necessary */;
int (*checkpointing_begin_atomic_operation) (DB_ENV*) /* Begin a set of operations (that must be atomic as far as checkpoints are concerned). i.e. inserting into every index in one table */;
int (*checkpointing_end_atomic_operation) (DB_ENV*) /* End a set of operations (that must be atomic as far as checkpoints are concerned). */;
int (*set_default_bt_compare) (DB_ENV*,int (*bt_compare) (DB *, const DBT *, const DBT *)) /* Set default (key) comparison function for all DBs in this environment. Required for RECOVERY since you cannot open the DBs manually. */;
int (*get_engine_status_num_rows) (DB_ENV*, uint64_t*) /* return number of rows in engine status */;
int (*get_engine_status) (DB_ENV*, TOKU_ENGINE_STATUS_ROW, uint64_t, fs_redzone_state*, uint64_t*, char*, int) /* Fill in status struct and redzone state, possibly env panic string */;
int (*get_engine_status_text) (DB_ENV*, char*, int) /* Fill in status text */;
int (*crash) (DB_ENV*, const char*/*expr_as_string*/,const char */*fun*/,const char*/*file*/,int/*line*/, int/*errno*/);
int (*get_iname) (DB_ENV* env, DBT* dname_dbt, DBT* iname_dbt) /* FOR TEST ONLY: lookup existing iname */;
int (*create_loader) (DB_ENV *env, DB_TXN *txn, DB_LOADER **blp, DB *src_db, int N, DB *dbs[/*N*/], uint32_t db_flags[/*N*/], uint32_t dbt_flags[/*N*/], uint32_t loader_flags);
int (*create_indexer) (DB_ENV *env, DB_TXN *txn, DB_INDEXER **idxrp, DB *src_db, int N, DB *dbs[/*N*/], uint32_t db_flags[/*N*/], uint32_t indexer_flags);
int (*put_multiple) (DB_ENV *env, DB *src_db, DB_TXN *txn,
const DBT *src_key, const DBT *src_val,
uint32_t num_dbs, DB **db_array, DBT *keys, DBT *vals, uint32_t *flags_array) /* insert into multiple DBs */;
int (*set_generate_row_callback_for_put) (DB_ENV *env, generate_row_for_put_func generate_row_for_put);
int (*del_multiple) (DB_ENV *env, DB *src_db, DB_TXN *txn,
const DBT *src_key, const DBT *src_val,
uint32_t num_dbs, DB **db_array, DBT *keys, uint32_t *flags_array) /* delete from multiple DBs */;
int (*set_generate_row_callback_for_del) (DB_ENV *env, generate_row_for_del_func generate_row_for_del);
int (*update_multiple) (DB_ENV *env, DB *src_db, DB_TXN *txn,
DBT *old_src_key, DBT *old_src_data,
DBT *new_src_key, DBT *new_src_data,
uint32_t num_dbs, DB **db_array, uint32_t *flags_array,
uint32_t num_keys, DBT *keys,
uint32_t num_vals, DBT *vals) /* update multiple DBs */;
int (*get_redzone) (DB_ENV *env, int *redzone) /* get the redzone limit */;
int (*set_redzone) (DB_ENV *env, int redzone) /* set the redzone limit in percent of total space */;
int (*set_lk_max_memory) (DB_ENV *env, uint64_t max);
int (*get_lk_max_memory) (DB_ENV *env, uint64_t *max);
void (*set_update) (DB_ENV *env, int (*update_function)(DB *, const DBT *key, const DBT *old_val, const DBT *extra, void (*set_val)(const DBT *new_val, void *set_extra), void *set_extra));
int (*set_lock_timeout) (DB_ENV *env, uint64_t lock_wait_time_msec);
int (*get_lock_timeout) (DB_ENV *env, uint64_t *lock_wait_time_msec);
int (*txn_xa_recover) (DB_ENV*, TOKU_XA_XID list[/*count*/], long count, /*out*/ long *retp, u_int32_t flags);
int (*get_txn_from_xid) (DB_ENV*, /*in*/ TOKU_XA_XID *, /*out*/ DB_TXN **);
void *app_private;
void *api1_internal;
int (*close) (DB_ENV *, u_int32_t);
int (*dbremove) (DB_ENV *, DB_TXN *, const char *, const char *, u_int32_t);
int (*dbrename) (DB_ENV *, DB_TXN *, const char *, const char *, const char *, u_int32_t);
void (*err) (const DB_ENV *, int, const char *, ...);
int (*get_cachesize) (DB_ENV *, u_int32_t *, u_int32_t *, int *);
int (*get_flags) (DB_ENV *, u_int32_t *);
int (*get_lg_max) (DB_ENV *, u_int32_t*);
int (*get_lk_max_locks) (DB_ENV *, u_int32_t *);
int (*log_archive) (DB_ENV *, char **[], u_int32_t);
int (*log_flush) (DB_ENV *, const DB_LSN *);
int (*open) (DB_ENV *, const char *, u_int32_t, int);
int (*set_cachesize) (DB_ENV *, u_int32_t, u_int32_t, int);
int (*set_data_dir) (DB_ENV *, const char *);
void (*set_errcall) (DB_ENV *, void (*)(const DB_ENV *, const char *, const char *));
void (*set_errfile) (DB_ENV *, FILE*);
void (*set_errpfx) (DB_ENV *, const char *);
int (*set_flags) (DB_ENV *, u_int32_t, int);
int (*set_lg_bsize) (DB_ENV *, u_int32_t);
int (*set_lg_dir) (DB_ENV *, const char *);
int (*set_lg_max) (DB_ENV *, u_int32_t);
int (*set_lk_detect) (DB_ENV *, u_int32_t);
int (*set_lk_max_locks) (DB_ENV *, u_int32_t);
int (*set_tmp_dir) (DB_ENV *, const char *);
int (*set_verbose) (DB_ENV *, u_int32_t, int);
int (*txn_begin) (DB_ENV *, DB_TXN *, DB_TXN **, u_int32_t);
int (*txn_checkpoint) (DB_ENV *, u_int32_t, u_int32_t, u_int32_t);
int (*txn_recover) (DB_ENV *, DB_PREPLIST preplist[/*count*/], long count, /*out*/ long *retp, u_int32_t flags);
int (*txn_stat) (DB_ENV *, DB_TXN_STAT **, u_int32_t);
};
struct __toku_db_key_range {
double less;
double equal;
double greater;
};
struct __toku_db_lsn {
};
struct __toku_dbt {
void*data;
u_int32_t size;
u_int32_t ulen;
u_int32_t flags;
};
typedef struct __toku_descriptor {
DBT dbt;
} *DESCRIPTOR, DESCRIPTOR_S;
//One header is included in 'data'
//One header is included in 'additional for checkpoint'
typedef struct __toku_db_fragmentation {
uint64_t file_size_bytes; //Total file size in bytes
uint64_t data_bytes; //Compressed User Data in bytes
uint64_t data_blocks; //Number of blocks of compressed User Data
uint64_t checkpoint_bytes_additional; //Additional bytes used for checkpoint system
uint64_t checkpoint_blocks_additional; //Additional blocks used for checkpoint system
uint64_t unused_bytes; //Unused space in file
uint64_t unused_blocks; //Number of contiguous regions of unused space
uint64_t largest_unused_block; //Size of largest contiguous unused space
} *TOKU_DB_FRAGMENTATION, TOKU_DB_FRAGMENTATION_S;
struct __toku_db {
struct __toku_db_internal *i;
#define db_struct_i(x) ((x)->i)
int (*key_range64)(DB*, DB_TXN *, DBT *, u_int64_t *less, u_int64_t *equal, u_int64_t *greater, int *is_exact);
int (*stat64)(DB *, DB_TXN *, DB_BTREE_STAT64 *);
int (*pre_acquire_table_lock)(DB*, DB_TXN*);
int (*pre_acquire_fileops_lock)(DB*, DB_TXN*);
const DBT* (*dbt_pos_infty)(void) /* Return the special DBT that refers to positive infinity in the lock table.*/;
const DBT* (*dbt_neg_infty)(void)/* Return the special DBT that refers to negative infinity in the lock table.*/;
void (*get_max_row_size) (DB*, u_int32_t *max_key_size, u_int32_t *max_row_size);
DESCRIPTOR descriptor /* saved row/dictionary descriptor for aiding in comparisons */;
DESCRIPTOR cmp_descriptor /* saved row/dictionary descriptor for aiding in comparisons */;
int (*change_descriptor) (DB*, DB_TXN*, const DBT* descriptor, u_int32_t) /* change row/dictionary descriptor for a db. Available only while db is open */;
int (*getf_set)(DB*, DB_TXN*, u_int32_t, DBT*, YDB_CALLBACK_FUNCTION, void*) /* same as DBC->c_getf_set without a persistent cursor) */;
int (*optimize)(DB*) /* Run garbage collecion and promote all transactions older than oldest. Amortized (happens during flattening) */;
int (*hot_optimize)(DB*, int (*progress_callback)(void *progress_extra, float progress), void *progress_extra);
int (*get_fragmentation)(DB*,TOKU_DB_FRAGMENTATION);
int (*get_readpagesize)(DB*,u_int32_t*);
int (*set_readpagesize)(DB*,u_int32_t);
int (*get_compression_method)(DB*,TOKU_COMPRESSION_METHOD*);
int (*set_compression_method)(DB*,TOKU_COMPRESSION_METHOD);
int (*set_indexer)(DB*, DB_INDEXER*);
void (*get_indexer)(DB*, DB_INDEXER**);
int (*verify_with_progress)(DB *, int (*progress_callback)(void *progress_extra, float progress), void *progress_extra, int verbose, int keep_going);
int (*update)(DB *, DB_TXN*, const DBT *key, const DBT *extra, u_int32_t flags);
int (*update_broadcast)(DB *, DB_TXN*, const DBT *extra, u_int32_t flags);
void *app_private;
DB_ENV *dbenv;
void *api_internal;
int (*close) (DB*, u_int32_t);
int (*cursor) (DB *, DB_TXN *, DBC **, u_int32_t);
int (*del) (DB *, DB_TXN *, DBT *, u_int32_t);
int (*fd) (DB *, int *);
int (*get) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t);
int (*get_flags) (DB *, u_int32_t *);
int (*get_pagesize) (DB *, u_int32_t *);
int (*key_range) (DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, u_int32_t);
int (*open) (DB *, DB_TXN *, const char *, const char *, DBTYPE, u_int32_t, int);
int (*put) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t);
int (*remove) (DB *, const char *, const char *, u_int32_t);
int (*rename) (DB *, const char *, const char *, const char *, u_int32_t);
void (*set_errfile) (DB *, FILE*);
int (*set_flags) (DB *, u_int32_t);
int (*set_pagesize) (DB *, u_int32_t);
int (*stat) (DB *, void *, u_int32_t);
int (*truncate) (DB *, DB_TXN *, u_int32_t *, u_int32_t);
int (*verify) (DB *, const char *, const char *, FILE *, u_int32_t);
};
struct __toku_db_txn_active {
u_int32_t txnid;
DB_LSN lsn;
};
typedef struct __toku_txn_progress {
uint64_t entries_total;
uint64_t entries_processed;
uint8_t is_commit;
uint8_t stalled_on_checkpoint;
} *TOKU_TXN_PROGRESS, TOKU_TXN_PROGRESS_S;
typedef void(*TXN_PROGRESS_POLL_FUNCTION)(TOKU_TXN_PROGRESS, void*);
struct txn_stat {
u_int64_t rollback_raw_count;
};
struct __toku_db_txn {
int (*txn_stat)(DB_TXN *, struct txn_stat **);
struct toku_list open_txns;
int (*commit_with_progress)(DB_TXN*, uint32_t, TXN_PROGRESS_POLL_FUNCTION, void*);
int (*abort_with_progress)(DB_TXN*, TXN_PROGRESS_POLL_FUNCTION, void*);
int (*xa_prepare) (DB_TXN*, TOKU_XA_XID *);
DB_ENV *mgrp /*In TokuDB, mgrp is a DB_ENV not a DB_TXNMGR*/;
DB_TXN *parent;
void *api_internal;
int (*abort) (DB_TXN *);
int (*commit) (DB_TXN*, u_int32_t);
u_int32_t (*id) (DB_TXN *);
int (*prepare) (DB_TXN*, u_int8_t gid[DB_GID_SIZE]);
};
struct __toku_db_txn_stat {
u_int32_t st_nactive;
DB_TXN_ACTIVE *st_txnarray;
};
struct __toku_dbc {
int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
int (*c_getf_prev)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
int (*c_getf_current)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
int (*c_getf_current_binding)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *);
int (*c_getf_set)(DBC *, u_int32_t, DBT *, YDB_CALLBACK_FUNCTION, void *);
int (*c_getf_set_range)(DBC *, u_int32_t, DBT *, YDB_CALLBACK_FUNCTION, void *);
int (*c_getf_set_range_reverse)(DBC *, u_int32_t, DBT *, YDB_CALLBACK_FUNCTION, void *);
int (*c_pre_acquire_range_lock)(DBC*, const DBT*, const DBT*);
DB *dbp;
int (*c_close) (DBC *);
int (*c_count) (DBC *, db_recno_t *, u_int32_t);
int (*c_get) (DBC *, DBT *, DBT *, u_int32_t);
};
int db_env_create(DB_ENV **, u_int32_t) __attribute__((__visibility__("default")));
int db_create(DB **, DB_ENV *, u_int32_t) __attribute__((__visibility__("default")));
char *db_strerror(int) __attribute__((__visibility__("default")));
const char *db_version(int*,int *,int *) __attribute__((__visibility__("default")));
int log_compare (const DB_LSN*, const DB_LSN *) __attribute__((__visibility__("default")));
int db_env_set_func_fsync (int (*)(int)) __attribute__((__visibility__("default")));
int toku_set_trace_file (char *fname) __attribute__((__visibility__("default")));
int toku_close_trace_file (void) __attribute__((__visibility__("default")));
int db_env_set_func_free (void (*)(void*)) __attribute__((__visibility__("default")));
int db_env_set_func_malloc (void *(*)(size_t)) __attribute__((__visibility__("default")));
int db_env_set_func_realloc (void *(*)(void*, size_t)) __attribute__((__visibility__("default")));
int db_env_set_func_pwrite (ssize_t (*)(int, const void *, size_t, toku_off_t)) __attribute__((__visibility__("default")));
int db_env_set_func_full_pwrite (ssize_t (*)(int, const void *, size_t, toku_off_t)) __attribute__((__visibility__("default")));
int db_env_set_func_write (ssize_t (*)(int, const void *, size_t)) __attribute__((__visibility__("default")));
int db_env_set_func_full_write (ssize_t (*)(int, const void *, size_t)) __attribute__((__visibility__("default")));
int db_env_set_func_fdopen (FILE* (*)(int, const char *)) __attribute__((__visibility__("default")));
int db_env_set_func_fopen (FILE* (*)(const char *, const char *)) __attribute__((__visibility__("default")));
int db_env_set_func_open (int (*)(const char *, int, int)) __attribute__((__visibility__("default")));
int db_env_set_func_fclose (int (*)(FILE*)) __attribute__((__visibility__("default")));
int db_env_set_func_pread (ssize_t (*)(int, void *, size_t, off_t)) __attribute__((__visibility__("default")));
void db_env_set_func_loader_fwrite (size_t (*fwrite_fun)(const void*,size_t,size_t,FILE*)) __attribute__((__visibility__("default")));
void db_env_set_checkpoint_callback (void (*)(void*), void*) __attribute__((__visibility__("default")));
void db_env_set_checkpoint_callback2 (void (*)(void*), void*) __attribute__((__visibility__("default")));
void db_env_set_recover_callback (void (*)(void*), void*) __attribute__((__visibility__("default")));
void db_env_set_recover_callback2 (void (*)(void*), void*) __attribute__((__visibility__("default")));
void db_env_set_loader_size_factor (uint32_t) __attribute__((__visibility__("default")));
void db_env_set_mvcc_garbage_collection_verification(u_int32_t) __attribute__((__visibility__("default")));
void db_env_enable_engine_status(u_int32_t) __attribute__((__visibility__("default")));
void db_env_set_flusher_thread_callback (void (*)(int, void*), void*) __attribute__((__visibility__("default")));
#if defined(__cplusplus)
}
#endif
#endif
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