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mdbx: рефакторинг mdbx_txn_straggler() с добавлением проверки env.

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Леонид Юрьев (Leonid Yuriev) 2025-01-06 23:34:14 +03:00
parent 585ccdf716
commit a89d418c91
1 changed files with 5 additions and 4 deletions
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9
src/api-txn.c
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@ -10,10 +10,11 @@ __attribute__((__no_sanitize_thread__, __noinline__))
int mdbx_txn_straggler(const MDBX_txn *txn, int *percent) int mdbx_txn_straggler(const MDBX_txn *txn, int *percent)
{ {
int rc = check_txn(txn, MDBX_TXN_BLOCKED); int rc = check_txn(txn, MDBX_TXN_BLOCKED);
if (likely(rc == MDBX_SUCCESS))
rc = check_env(txn->env, true);
if (unlikely(rc != MDBX_SUCCESS)) if (unlikely(rc != MDBX_SUCCESS))
return LOG_IFERR((rc > 0) ? -rc : rc); return LOG_IFERR((rc > 0) ? -rc : rc);
MDBX_env *env = txn->env;
if (unlikely((txn->flags & MDBX_TXN_RDONLY) == 0)) { if (unlikely((txn->flags & MDBX_TXN_RDONLY) == 0)) {
if (percent) if (percent)
*percent = (int)((txn->geo.first_unallocated * UINT64_C(100) + txn->geo.end_pgno / 2) / txn->geo.end_pgno); *percent = (int)((txn->geo.first_unallocated * UINT64_C(100) + txn->geo.end_pgno / 2) / txn->geo.end_pgno);
@ -21,15 +22,15 @@ int mdbx_txn_straggler(const MDBX_txn *txn, int *percent)
} }
txnid_t lag; txnid_t lag;
troika_t troika = meta_tap(env); troika_t troika = meta_tap(txn->env);
do { do {
const meta_ptr_t head = meta_recent(env, &troika); const meta_ptr_t head = meta_recent(txn->env, &troika);
if (percent) { if (percent) {
const pgno_t maxpg = head.ptr_v->geometry.now; const pgno_t maxpg = head.ptr_v->geometry.now;
*percent = (int)((head.ptr_v->geometry.first_unallocated * UINT64_C(100) + maxpg / 2) / maxpg); *percent = (int)((head.ptr_v->geometry.first_unallocated * UINT64_C(100) + maxpg / 2) / maxpg);
} }
lag = (head.txnid - txn->txnid) / xMDBX_TXNID_STEP; lag = (head.txnid - txn->txnid) / xMDBX_TXNID_STEP;
} while (unlikely(meta_should_retry(env, &troika))); } while (unlikely(meta_should_retry(txn->env, &troika)));
return (lag > INT_MAX) ? INT_MAX : (int)lag; return (lag > INT_MAX) ? INT_MAX : (int)lag;
} }