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mdbx: drops old/obsolete API (mdbx_env_copy and mdbx_env_copydf).

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Leo Yuriev
2017-05-22 20:02:23 +03:00
parent 0eee938c5f
commit 398b839b98
3 changed files with 13 additions and 52 deletions
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39
mdbx.h
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@@ -563,37 +563,6 @@ LIBMDBX_API int mdbx_env_open(MDB_env *env, const char *path, unsigned flags,
LIBMDBX_API int mdbx_env_open_ex(MDB_env *env, const char *path, unsigned flags,
mode_t mode, int *exclusive);
/* Copy an LMDB environment to the specified path.
*
* This function may be used to make a backup of an existing environment.
* No lockfile is created, since it gets recreated at need.
* Note: This call can trigger significant file size growth if run in
* parallel with write transactions, because it employs a read-only
* transaction. See long-lived transactions under caveats_sec.
* [in] env An environment handle returned by mdbx_env_create(). It
* must have already been opened successfully.
* [in] path The directory in which the copy will reside. This
* directory must already exist and be writable but must otherwise be
* empty.
*
* Returns A non-zero error value on failure and 0 on success. */
LIBMDBX_API int mdbx_env_copy(MDB_env *env, const char *path);
/* Copy an LMDB environment to the specified file descriptor.
*
* This function may be used to make a backup of an existing environment.
* No lockfile is created, since it gets recreated at need.
* Note: This call can trigger significant file size growth if run in
* parallel with write transactions, because it employs a read-only
* transaction. See long-lived transactions under caveats_sec.
* [in] env An environment handle returned by mdbx_env_create(). It
* must have already been opened successfully.
* [in] fd The filedescriptor to write the copy to. It must
* have already been opened for Write access.
*
* Returns A non-zero error value on failure and 0 on success. */
LIBMDBX_API int mdbx_env_copyfd(MDB_env *env, mdbx_filehandle_t fd);
/* Copy an LMDB environment to the specified path, with options.
*
* This function may be used to make a backup of an existing environment.
@@ -617,14 +586,14 @@ LIBMDBX_API int mdbx_env_copyfd(MDB_env *env, mdbx_filehandle_t fd);
*leak.
*
* Returns A non-zero error value on failure and 0 on success. */
LIBMDBX_API int mdbx_env_copy2(MDB_env *env, const char *path, unsigned flags);
LIBMDBX_API int mdbx_env_copy(MDB_env *env, const char *path, unsigned flags);
/* Copy an LMDB environment to the specified file descriptor,
* with options.
*
* This function may be used to make a backup of an existing environment.
* No lockfile is created, since it gets recreated at need. See
* mdbx_env_copy2() for further details.
* mdbx_env_copy() for further details.
* Note: This call can trigger significant file size growth if run in
* parallel with write transactions, because it employs a read-only
* transaction. See long-lived transactions under caveats_sec.
@@ -633,10 +602,10 @@ LIBMDBX_API int mdbx_env_copy2(MDB_env *env, const char *path, unsigned flags);
* [in] fd The filedescriptor to write the copy to. It must
* have already been opened for Write access.
* [in] flags Special options for this operation.
* See mdbx_env_copy2() for options.
* See mdbx_env_copy() for options.
*
* Returns A non-zero error value on failure and 0 on success. */
LIBMDBX_API int mdbx_env_copyfd2(MDB_env *env, mdbx_filehandle_t fd,
LIBMDBX_API int mdbx_env_copy2fd(MDB_env *env, mdbx_filehandle_t fd,
unsigned flags);
/* Return statistics about the LMDB environment.