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Update to latest lmdb.c/h from OpenLDAP repo (a05d9910ab2a68806206b00caf71176ada943440 git://git.openldap.org/openldap.git)

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This commit is contained in:
Gregory Burd 2013-07-05 08:18:46 -04:00
parent b0680972a5
commit e1fd403018
2 changed files with 931 additions and 851 deletions
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1749
c_src/lmdb.c
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33
c_src/lmdb.h
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@ -144,6 +144,16 @@ typedef int mdb_mode_t;
typedef mode_t mdb_mode_t;
#endif
/** An abstraction for a file handle.
* On POSIX systems file handles are small integers. On Windows
* they're opaque pointers.
*/
#ifdef _WIN32
typedef void *mdb_filehandle_t;
#else
typedef int mdb_filehandle_t;
#endif
/** @defgroup mdb MDB API
* @{
* @brief OpenLDAP Lightning Memory-Mapped Database Manager
@ -240,9 +250,9 @@ typedef void (MDB_rel_func)(MDB_val *item, void *oldptr, void *newptr, void *rel
* @{
*/
/** mmap at a fixed address (experimental) */
#define MDB_FIXEDMAP 0x01
#define MDB_FIXEDMAP 0x01
/** no environment directory */
#define MDB_NOSUBDIR 0x4000
#define MDB_NOSUBDIR 0x4000
/** don't fsync after commit */
#define MDB_NOSYNC 0x10000
/** read only */
@ -325,13 +335,11 @@ typedef enum MDB_cursor_op {
Only for #MDB_DUPSORT */
MDB_NEXT_MULTIPLE, /**< Return all duplicate data items at the next
cursor position. Only for #MDB_DUPFIXED */
MDB_NEXT_NODUP, /**< Position at first data item of next key.
Only for #MDB_DUPSORT */
MDB_NEXT_NODUP, /**< Position at first data item of next key */
MDB_PREV, /**< Position at previous data item */
MDB_PREV_DUP, /**< Position at previous data item of current key.
Only for #MDB_DUPSORT */
MDB_PREV_NODUP, /**< Position at last data item of previous key.
Only for #MDB_DUPSORT */
MDB_PREV_NODUP, /**< Position at last data item of previous key */
MDB_SET, /**< Position at specified key */
MDB_SET_KEY, /**< Position at specified key, return key + data */
MDB_SET_RANGE /**< Position at first key greater than or equal to specified key. */
@ -535,6 +543,17 @@ int mdb_env_open(MDB_env *env, const char *path, unsigned int flags, mdb_mode_t
*/
int mdb_env_copy(MDB_env *env, const char *path);
/** @brief Copy an MDB environment to the specified file descriptor.
*
* This function may be used to make a backup of an existing environment.
* @param[in] env An environment handle returned by #mdb_env_create(). It
* must have already been opened successfully.
* @param[in] fd The filedescriptor to write the copy to. It must
* have already been opened for Write access.
* @return A non-zero error value on failure and 0 on success.
*/
int mdb_env_copyfd(MDB_env *env, mdb_filehandle_t fd);
/** @brief Return statistics about the MDB environment.
*
* @param[in] env An environment handle returned by #mdb_env_create()
@ -1266,5 +1285,3 @@ int mdb_dcmp(MDB_txn *txn, MDB_dbi dbi, const MDB_val *a, const MDB_val *b);
}
#endif
#endif /* _LMDB_H_ */
/* * http://gitorious.org/mdb/mdb/blobs/raw/b389341b4b2413804726276d01676a6a9d05346f/libraries/liblmdb/lmdb.h */