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mdbx: move most of transactions flags to public API.

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Леонид Юрьев (Leonid Yuriev)
2022-05-02 10:35:40 +03:00
parent 34e8467409
commit 838f8d8fab
3 changed files with 46 additions and 16 deletions
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45
mdbx.h
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@@ -1446,12 +1446,49 @@ enum MDBX_txn_flags_t {
MDBX_TXN_TRY = UINT32_C(0x10000000),
/** Exactly the same as \ref MDBX_NOMETASYNC,
* but for this transaction only */
* but for this transaction only. */
MDBX_TXN_NOMETASYNC = MDBX_NOMETASYNC,
/** Exactly the same as \ref MDBX_SAFE_NOSYNC,
* but for this transaction only */
MDBX_TXN_NOSYNC = MDBX_SAFE_NOSYNC
* but for this transaction only. */
MDBX_TXN_NOSYNC = MDBX_SAFE_NOSYNC,
/* Transaction state flags ---------------------------------------------- */
/** Transaction is invalid.
* \note Transaction state flag. Returned from \ref mdbx_txn_flags()
* but can't be used with \ref mdbx_txn_begin(). */
MDBX_TXN_INVALID = 0x80000000,
/** Transaction is finished or never began.
* \note Transaction state flag. Returned from \ref mdbx_txn_flags()
* but can't be used with \ref mdbx_txn_begin(). */
MDBX_TXN_FINISHED = 0x01,
/** Transaction is unusable after an error.
* \note Transaction state flag. Returned from \ref mdbx_txn_flags()
* but can't be used with \ref mdbx_txn_begin(). */
MDBX_TXN_ERROR = 0x02,
/** Transaction must write, even if dirty list is empty.
* \note Transaction state flag. Returned from \ref mdbx_txn_flags()
* but can't be used with \ref mdbx_txn_begin(). */
MDBX_TXN_DIRTY = 0x04,
/** Transaction or a parent has spilled pages.
* \note Transaction state flag. Returned from \ref mdbx_txn_flags()
* but can't be used with \ref mdbx_txn_begin(). */
MDBX_TXN_SPILLS = 0x08,
/** Transaction has a nested child transaction.
* \note Transaction state flag. Returned from \ref mdbx_txn_flags()
* but can't be used with \ref mdbx_txn_begin(). */
MDBX_TXN_HAS_CHILD = 0x10,
/** Most operations on the transaction are currently illegal.
* \note Transaction state flag. Returned from \ref mdbx_txn_flags()
* but can't be used with \ref mdbx_txn_begin(). */
MDBX_TXN_BLOCKED = MDBX_TXN_FINISHED | MDBX_TXN_ERROR | MDBX_TXN_HAS_CHILD
};
#ifndef __cplusplus
typedef enum MDBX_txn_flags_t MDBX_txn_flags_t;
@@ -3429,7 +3466,7 @@ mdbx_txn_env(const MDBX_txn *txn);
/** \brief Return the transaction's flags.
* \ingroup c_transactions
*
* This returns the flags associated with this transaction.
* This returns the flags, including internal, associated with this transaction.
*
* \param [in] txn A transaction handle returned by \ref mdbx_txn_begin().
*