diff options
Diffstat (limited to 'libs/libmdbx/src/mdbx.h')
| -rw-r--r-- | libs/libmdbx/src/mdbx.h | 57 |
1 files changed, 47 insertions, 10 deletions
diff --git a/libs/libmdbx/src/mdbx.h b/libs/libmdbx/src/mdbx.h index 8f3b1575dc..67b725139a 100644 --- a/libs/libmdbx/src/mdbx.h +++ b/libs/libmdbx/src/mdbx.h @@ -117,7 +117,11 @@ typedef DWORD mdbx_tid_t; typedef int mdbx_filehandle_t; typedef pid_t mdbx_pid_t; typedef pthread_t mdbx_tid_t; +#ifdef ENODATA #define MDBX_ENODATA ENODATA +#else +#define MDBX_ENODATA -1 +#endif #define MDBX_EINVAL EINVAL #define MDBX_EACCESS EACCES #define MDBX_ENOMEM ENOMEM @@ -149,8 +153,8 @@ typedef pthread_t mdbx_tid_t; #else #define __dll_export #endif -#elif defined(__GNUC__) || __has_attribute(visibility) -#define __dll_export __attribute__((visibility("default"))) +#elif defined(__GNUC__) || __has_attribute(__visibility__) +#define __dll_export __attribute__((__visibility__("default"))) #else #define __dll_export #endif @@ -736,6 +740,8 @@ LIBMDBX_API int mdbx_env_copy2fd(MDBX_env *env, mdbx_filehandle_t fd, * [out] stat The address of an MDBX_stat structure where the statistics * will be copied */ LIBMDBX_API int mdbx_env_stat(MDBX_env *env, MDBX_stat *stat, size_t bytes); +LIBMDBX_API int mdbx_env_stat2(const MDBX_env *env, const MDBX_txn *txn, + MDBX_stat *stat, size_t bytes); /* Return information about the MDBX environment. * @@ -743,6 +749,8 @@ LIBMDBX_API int mdbx_env_stat(MDBX_env *env, MDBX_stat *stat, size_t bytes); * [out] stat The address of an MDBX_envinfo structure * where the information will be copied */ LIBMDBX_API int mdbx_env_info(MDBX_env *env, MDBX_envinfo *info, size_t bytes); +LIBMDBX_API int mdbx_env_info2(const MDBX_env *env, const MDBX_txn *txn, + MDBX_envinfo *info, size_t bytes); /* Flush the data buffers to disk. * @@ -1578,14 +1586,15 @@ LIBMDBX_API char *mdbx_dkey(const MDBX_val *key, char *const buf, LIBMDBX_API int mdbx_env_close_ex(MDBX_env *env, int dont_sync); -/* Set threshold to force flush the data buffers to disk, +/* Sets threshold to force flush the data buffers to disk, * even of MDBX_NOSYNC, MDBX_NOMETASYNC and MDBX_MAPASYNC flags - * in the environment. + * in the environment. The value affects all processes which operates with given + * DB until the last process close DB or a new value will be settled. * * Data is always written to disk when mdbx_txn_commit() is called, * but the operating system may keep it buffered. MDBX always flushes * the OS buffers upon commit as well, unless the environment was - * opened with MDBX_NOSYNC or in part MDBX_NOMETASYNC. + * opened with MDBX_NOSYNC, MDBX_MAPASYNC or in part MDBX_NOMETASYNC. * * The default is 0, than mean no any threshold checked, and no additional * flush will be made. @@ -1597,6 +1606,32 @@ LIBMDBX_API int mdbx_env_close_ex(MDBX_env *env, int dont_sync); * Returns A non-zero error value on failure and 0 on success. */ LIBMDBX_API int mdbx_env_set_syncbytes(MDBX_env *env, size_t bytes); +/* Sets relative period since the last unsteay commit to force flush the data + * buffers to disk, even of MDBX_NOSYNC, MDBX_NOMETASYNC and MDBX_MAPASYNC flags + * in the environment. The value affects all processes which operates with given + * DB until the last process close DB or a new value will be settled. + * + * Data is always written to disk when mdbx_txn_commit() is called, + * but the operating system may keep it buffered. MDBX always flushes + * the OS buffers upon commit as well, unless the environment was + * opened with MDBX_NOSYNC, MDBX_MAPASYNC or in part MDBX_NOMETASYNC. + * + * Settled period don't checked asynchronously, but only inside the functions. + * mdbx_txn_commit() and mdbx_env_sync(). Therefore, in cases where transactions + * are committed infrequently and/or irregularly, polling by mdbx_env_sync() may + * be a reasonable solution to timeout enforcement. + * + * The default is 0, than mean no any timeout checked, and no additional + * flush will be made. + * + * [in] env An environment handle returned by mdbx_env_create() + * [in] seconds_16dot16 The period in 1/65536 of second when a synchronous + * flush would be made since the last unsteay commit. + * + * Returns A non-zero error value on failure and 0 on success. */ +LIBMDBX_API int mdbx_env_set_syncperiod(MDBX_env *env, + unsigned seconds_16dot16); + /* Returns a lag of the reading for the given transaction. * * Returns an information for estimate how much given read-only @@ -1654,6 +1689,7 @@ LIBMDBX_API MDBX_oom_func *mdbx_env_get_oomfunc(MDBX_env *env); #define MDBX_DBG_AUDIT 16 #define MDBX_DBG_JITTER 32 #define MDBX_DBG_DUMP 64 +#define MDBX_DBG_LEGACY_MULTIOPEN 128 typedef void MDBX_debug_func(int type, const char *function, int line, const char *msg, va_list args); @@ -1675,11 +1711,12 @@ typedef enum { #define MDBX_PGWALK_GC ((const char *)((ptrdiff_t)-1)) #define MDBX_PGWALK_META ((const char *)((ptrdiff_t)-2)) -typedef int MDBX_pgvisitor_func(uint64_t pgno, unsigned number, void *ctx, - int deep, const char *dbi, size_t page_size, - MDBX_page_type_t type, size_t nentries, - size_t payload_bytes, size_t header_bytes, - size_t unused_bytes); +typedef int +MDBX_pgvisitor_func(const uint64_t pgno, const unsigned number, void *const ctx, + const int deep, const char *const dbi, + const size_t page_size, const MDBX_page_type_t type, + const size_t nentries, const size_t payload_bytes, + const size_t header_bytes, const size_t unused_bytes); LIBMDBX_API int mdbx_env_pgwalk(MDBX_txn *txn, MDBX_pgvisitor_func *visitor, void *ctx); |