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mdbx: fix txn_basis_snapshot().

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Леонид Юрьев (Leonid Yuriev)
2025-11-05 00:01:22 +03:00
parent e292e8178c
commit 045968b46a
1 changed files with 3 additions and 3 deletions
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6
src/cogs.h
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@@ -504,9 +504,9 @@ static inline int check_txn_rw(const MDBX_txn *txn, int bad_bits) {
}
MDBX_NOTHROW_CONST_FUNCTION static inline txnid_t txn_basis_snapshot(const MDBX_txn *txn) {
STATIC_ASSERT((MDBX_TXN_RDONLY >> 17) == 1);
STATIC_ASSERT((xMDBX_TXNID_STEP >> (xMDBX_TXNID_STEP == 2)) == 1);
const txnid_t committed_txnid = txn->txnid + (xMDBX_TXNID_STEP >> (xMDBX_TXNID_STEP == 2)) - ((txn->flags >> 17) & 1);
STATIC_ASSERT(((MDBX_TXN_RDONLY >> ((xMDBX_TXNID_STEP == 2) ? 16 : 17)) & xMDBX_TXNID_STEP) == xMDBX_TXNID_STEP);
const txnid_t committed_txnid =
txn->txnid - xMDBX_TXNID_STEP + ((txn->flags >> ((xMDBX_TXNID_STEP == 2) ? 16 : 17)) & xMDBX_TXNID_STEP);
tASSERT(txn, committed_txnid == ((txn->flags & MDBX_TXN_RDONLY) ? txn->txnid : txn->txnid - xMDBX_TXNID_STEP));
return committed_txnid;
}