diff options
Diffstat (limited to 'plugins/Dbx_mdb/src/mdbx/mdbx.h')
| -rw-r--r-- | plugins/Dbx_mdb/src/mdbx/mdbx.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/plugins/Dbx_mdb/src/mdbx/mdbx.h b/plugins/Dbx_mdb/src/mdbx/mdbx.h index 4d95ae252a..421d833b70 100644 --- a/plugins/Dbx_mdb/src/mdbx/mdbx.h +++ b/plugins/Dbx_mdb/src/mdbx/mdbx.h @@ -327,6 +327,10 @@ typedef int(MDBX_cmp_func)(const MDBX_val *a, const MDBX_val *b); /* Store multiple data items in one call. Only for MDBX_DUPFIXED. */ #define MDBX_MULTIPLE 0x80000u +/* Transaction Flags */ +/* Do not block when starting a write transaction */ +#define MDBX_TRYTXN 0x10000000u + /* Copy Flags */ /* Compacting copy: Omit free space from copy, and renumber all * pages sequentially. */ @@ -420,8 +424,10 @@ typedef enum MDBX_cursor_op { #define MDBX_BAD_DBI (-30780) /* Unexpected problem - txn should abort */ #define MDBX_PROBLEM (-30779) +/* Unexpected problem - txn should abort */ +#define MDBX_BUSY (-30778) /* The last defined error code */ -#define MDBX_LAST_ERRCODE MDBX_PROBLEM +#define MDBX_LAST_ERRCODE MDBX_BUSY /* The mdbx_put() or mdbx_replace() was called for key, that has more that one associated value. */ @@ -953,6 +959,9 @@ LIBMDBX_API int mdbx_env_set_assert(MDBX_env *env, MDBX_assert_func *func); * - MDBX_RDONLY * This transaction will not perform any write operations. * + * - MDBX_TRYTXN + * Do not block when starting a write transaction + * * [out] txn Address where the new MDBX_txn handle will be stored * * Returns A non-zero error value on failure and 0 on success, some @@ -964,7 +973,8 @@ LIBMDBX_API int mdbx_env_set_assert(MDBX_env *env, MDBX_assert_func *func); * as well. See mdbx_env_set_mapsize(). * - MDBX_READERS_FULL - a read-only transaction was requested and the reader * lock table is full. See mdbx_env_set_maxreaders(). - * - MDBX_ENOMEM - out of memory. */ + * - MDBX_ENOMEM - out of memory. + * - MDBX_BUSY - a write transaction is already started. */ LIBMDBX_API int mdbx_txn_begin(MDBX_env *env, MDBX_txn *parent, unsigned flags, MDBX_txn **txn); |