From: Georgy Kirichenko <georgy@tarantool.org> To: tarantool-patches@freelists.org Cc: Georgy Kirichenko <georgy@tarantool.org> Subject: [tarantool-patches] [PATCH v4 2/9] core: latch_steal routine Date: Thu, 20 Jun 2019 00:23:09 +0300 [thread overview] Message-ID: <de30d3057f97c2f28449f8d3b448dbbe486a6c1b.1560978655.git.georgy@tarantool.org> (raw) In-Reply-To: <cover.1560978655.git.georgy@tarantool.org> Allow to steal locked latch ownership for fiber which isn't owner of the latch. This is required to process transaction triggers asynchronously. Prerequisites: #1254 --- src/lib/core/latch.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/lib/core/latch.h b/src/lib/core/latch.h index 49c59cf63..580942564 100644 --- a/src/lib/core/latch.h +++ b/src/lib/core/latch.h @@ -155,6 +155,16 @@ latch_trylock(struct latch *l) return latch_lock_timeout(l, 0); } +/** + * Take a latch ownership + */ +static inline void +latch_steal(struct latch *l) +{ + assert(l->owner != NULL); + l->owner = fiber(); +} + /** * \copydoc box_latch_unlock */ -- 2.22.0
next prev parent reply other threads:[~2019-06-19 21:23 UTC|newest] Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-19 21:23 [tarantool-patches] [PATCH v4 0/9] Parallel applier Georgy Kirichenko 2019-06-19 21:23 ` [tarantool-patches] [PATCH v4 1/9] txn: handle fiber stop event at transaction level Georgy Kirichenko 2019-06-20 7:28 ` [tarantool-patches] " Konstantin Osipov 2019-06-20 11:39 ` [tarantool-patches] " Vladimir Davydov 2019-06-19 21:23 ` Georgy Kirichenko [this message] 2019-06-20 7:28 ` [tarantool-patches] Re: [PATCH v4 2/9] core: latch_steal routine Konstantin Osipov 2019-06-20 11:53 ` [tarantool-patches] " Vladimir Davydov 2019-06-20 20:34 ` Георгий Кириченко 2019-06-19 21:23 ` [tarantool-patches] [PATCH v4 3/9] txn: get rid of autocommit from a txn structure Georgy Kirichenko 2019-06-20 7:32 ` [tarantool-patches] " Konstantin Osipov 2019-06-20 11:52 ` [tarantool-patches] " Vladimir Davydov 2019-06-20 20:16 ` Георгий Кириченко 2019-06-19 21:23 ` [tarantool-patches] [PATCH v4 4/9] txn: get rid of fiber_gc from txn_rollback Georgy Kirichenko 2019-06-20 7:43 ` [tarantool-patches] " Konstantin Osipov 2019-06-20 20:35 ` Георгий Кириченко 2019-06-20 13:03 ` [tarantool-patches] " Vladimir Davydov 2019-06-20 20:16 ` Георгий Кириченко 2019-06-19 21:23 ` [tarantool-patches] [PATCH v4 5/9] wal: a dedicated wal scheduling fiber Georgy Kirichenko 2019-06-20 7:53 ` [tarantool-patches] " Konstantin Osipov 2019-06-20 13:05 ` [tarantool-patches] " Vladimir Davydov 2019-06-19 21:23 ` [tarantool-patches] [PATCH v4 6/9] wal: introduce a journal entry finalization callback Georgy Kirichenko 2019-06-20 7:56 ` [tarantool-patches] " Konstantin Osipov 2019-06-20 14:08 ` [tarantool-patches] " Vladimir Davydov 2019-06-20 20:22 ` Георгий Кириченко 2019-06-21 7:26 ` [tarantool-patches] " Konstantin Osipov 2019-06-19 21:23 ` [tarantool-patches] [PATCH v4 7/9] txn: introduce asynchronous txn commit Georgy Kirichenko 2019-06-20 8:01 ` [tarantool-patches] " Konstantin Osipov 2019-06-20 15:00 ` [tarantool-patches] " Vladimir Davydov 2019-06-21 7:28 ` [tarantool-patches] " Konstantin Osipov 2019-06-19 21:23 ` [tarantool-patches] [PATCH v4 8/9] applier: apply transaction in parallel Georgy Kirichenko 2019-06-20 7:41 ` [tarantool-patches] " Георгий Кириченко 2019-06-20 8:07 ` Konstantin Osipov 2019-06-20 16:37 ` Vladimir Davydov 2019-06-20 20:33 ` Георгий Кириченко 2019-06-21 8:36 ` Vladimir Davydov 2019-06-20 8:06 ` Konstantin Osipov 2019-06-19 21:23 ` [tarantool-patches] [PATCH v4 9/9] test: fix flaky test Georgy Kirichenko
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