From: Serge Petrenko <sergepetrenko@tarantool.org> To: v.shpilevoy@tarantool.org, gorcunov@gmail.com Cc: tarantool-patches@dev.tarantool.org Subject: [Tarantool-patches] [PATCH v2 3/6] txn_limbo: introduce txn_limbo_last_synchro_entry method Date: Wed, 23 Dec 2020 14:59:21 +0300 [thread overview] Message-ID: <c49111452542779ae417a33fe8543a8c3cd6a8cd.1608724239.git.sergepetrenko@tarantool.org> (raw) In-Reply-To: <cover.1608724238.git.sergepetrenko@tarantool.org> It'll be useful for box_clear_synchro_queue rework. Prerequisite #5435 --- src/box/txn_limbo.c | 12 ++++++++++++ src/box/txn_limbo.h | 7 +++++++ 2 files changed, 19 insertions(+) diff --git a/src/box/txn_limbo.c b/src/box/txn_limbo.c index c406ed4c8..9272f5227 100644 --- a/src/box/txn_limbo.c +++ b/src/box/txn_limbo.c @@ -55,6 +55,18 @@ txn_limbo_is_ro(struct txn_limbo *limbo) return limbo->owner_id != instance_id && !txn_limbo_is_empty(limbo); } +struct txn_limbo_entry * +txn_limbo_last_synchro_entry(struct txn_limbo *limbo) +{ + struct txn_limbo_entry *entry = NULL; + rlist_foreach_entry_reverse(entry, &limbo->queue, in_queue) { + if (txn_has_flag(entry->txn, TXN_WAIT_ACK)) + break; + } + assert(entry == NULL || txn_has_flag(entry->txn, TXN_WAIT_ACK)); + return entry; +} + struct txn_limbo_entry * txn_limbo_append(struct txn_limbo *limbo, uint32_t id, struct txn *txn) { diff --git a/src/box/txn_limbo.h b/src/box/txn_limbo.h index f7d67a826..a49356c14 100644 --- a/src/box/txn_limbo.h +++ b/src/box/txn_limbo.h @@ -189,6 +189,13 @@ txn_limbo_last_entry(struct txn_limbo *limbo) in_queue); } +/** + * Return the last synchronous transaction in the limbo or NULL when it is + * empty. + */ +struct txn_limbo_entry * +txn_limbo_last_synchro_entry(struct txn_limbo *limbo); + /** * Allocate, create, and append a new transaction to the limbo. * The limbo entry is allocated on the transaction's region. -- 2.24.3 (Apple Git-128)
next prev parent reply other threads:[~2020-12-23 11:59 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-23 11:59 [Tarantool-patches] [PATCH v2 0/6] make clear_synchro_queue commit everything Serge Petrenko 2020-12-23 11:59 ` [Tarantool-patches] [PATCH v2 1/6] box: add a single execution guard to clear_synchro_queue Serge Petrenko 2020-12-23 11:59 ` [Tarantool-patches] [PATCH v2 2/6] relay: introduce on_status_update trigger Serge Petrenko 2020-12-23 17:25 ` Vladislav Shpilevoy 2020-12-24 16:11 ` Serge Petrenko 2020-12-23 11:59 ` Serge Petrenko [this message] 2020-12-23 17:25 ` [Tarantool-patches] [PATCH v2 3/6] txn_limbo: introduce txn_limbo_last_synchro_entry method Vladislav Shpilevoy 2020-12-24 16:13 ` Serge Petrenko 2020-12-23 11:59 ` [Tarantool-patches] [PATCH v2 4/6] box: rework clear_synchro_queue to commit everything Serge Petrenko 2020-12-23 17:28 ` Vladislav Shpilevoy 2020-12-24 16:12 ` Serge Petrenko 2020-12-24 17:35 ` Vladislav Shpilevoy 2020-12-24 21:02 ` Serge Petrenko 2020-12-23 11:59 ` [Tarantool-patches] [PATCH v2 5/6] test: fix replication/election_qsync_stress test Serge Petrenko 2020-12-23 11:59 ` [Tarantool-patches] [PATCH v2 6/6] txn_limbo: ignore CONFIRM/ROLLBACK for a foreign master Serge Petrenko 2020-12-23 17:28 ` Vladislav Shpilevoy 2020-12-24 16:13 ` Serge Petrenko 2020-12-25 10:04 ` [Tarantool-patches] [PATCH v2 0/6] make clear_synchro_queue commit everything Kirill Yukhin
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