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mdbx: парковка читающих транзакций.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2024-07-09 16:04:01 +03:00
parent f335a16c92
commit ec0ada7b8c
11 changed files with 399 additions and 80 deletions
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10
src/cogs.h
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@@ -469,8 +469,12 @@ static inline int check_txn(const MDBX_txn *txn, int bad_bits) {
if (unlikely(txn->signature != txn_signature))
return MDBX_EBADSIGN;
if (unlikely(txn->flags & bad_bits))
return MDBX_BAD_TXN;
if (bad_bits && unlikely(txn->flags & bad_bits)) {
if ((bad_bits & MDBX_TXN_PARKED) == 0)
return MDBX_BAD_TXN;
else
return txn_check_badbits_parked(txn, bad_bits);
}
tASSERT(txn, (txn->flags & MDBX_TXN_FINISHED) ||
(txn->flags & MDBX_NOSTICKYTHREADS) ==
@@ -490,7 +494,7 @@ static inline int check_txn(const MDBX_txn *txn, int bad_bits) {
}
static inline int check_txn_rw(const MDBX_txn *txn, int bad_bits) {
int err = check_txn(txn, bad_bits);
int err = check_txn(txn, bad_bits & ~MDBX_TXN_PARKED);
if (unlikely(err))
return err;