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mdbx: рефакторинг затенения и завершения курсоров, с удалением TXN_END_EOTDONE и добавлением txn_may_have_cursors.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2025-01-06 20:53:16 +03:00
parent b681b59434
commit 81e2623a54
9 changed files with 116 additions and 92 deletions
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6
src/proto.h
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@@ -46,7 +46,8 @@ MDBX_INTERNAL int txn_renew(MDBX_txn *txn, unsigned flags);
MDBX_INTERNAL int txn_park(MDBX_txn *txn, bool autounpark);
MDBX_INTERNAL int txn_unpark(MDBX_txn *txn);
MDBX_INTERNAL int txn_check_badbits_parked(const MDBX_txn *txn, int bad_bits);
MDBX_INTERNAL void txn_done_cursors(MDBX_txn *txn, const bool merge);
MDBX_INTERNAL void txn_done_cursors(MDBX_txn *txn);
MDBX_INTERNAL int txn_shadow_cursors(const MDBX_txn *parent, const size_t dbi);
#define TXN_END_NAMES \
{"committed", "empty-commit", "abort", "reset", "fail-begin", "fail-beginchild", "ousted", nullptr}
@@ -63,8 +64,7 @@ enum {
TXN_END_OPMASK = 0x07 /* mask for txn_end() operation number */,
TXN_END_UPDATE = 0x10 /* update env state (DBIs) */,
TXN_END_FREE = 0x20 /* free txn unless it is env.basal_txn */,
TXN_END_EOTDONE = 0x40 /* txn's cursors already closed */,
TXN_END_SLOT = 0x80 /* release any reader slot if NOSTICKYTHREADS */
TXN_END_SLOT = 0x40 /* release any reader slot if NOSTICKYTHREADS */
};
MDBX_INTERNAL int txn_end(MDBX_txn *txn, unsigned mode);
MDBX_INTERNAL int txn_write(MDBX_txn *txn, iov_ctx_t *ctx);