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From: Cyrill Gorcunov via Tarantool-patches <tarantool-patches@dev.tarantool.org>
To: tml <tarantool-patches@dev.tarantool.org>
Cc: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Subject: [Tarantool-patches] [PATCH v8 1/6] latch: add latch_is_locked helper
Date: Mon, 26 Jul 2021 18:34:47 +0300
Message-ID: <20210726153452.113897-2-gorcunov@gmail.com> (raw)
In-Reply-To: <20210726153452.113897-1-gorcunov@gmail.com>

To test if latch is locked.

In-scope-of #6036

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---
 src/lib/core/latch.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/lib/core/latch.h b/src/lib/core/latch.h
index 49c59cf63..0aaa8b634 100644
--- a/src/lib/core/latch.h
+++ b/src/lib/core/latch.h
@@ -95,6 +95,17 @@ latch_owner(struct latch *l)
 	return l->owner;
 }
 
+/**
+ * Return true if the latch is locked.
+ *
+ * @param l - latch to be tested.
+ */
+static inline bool
+latch_is_locked(const struct latch *l)
+{
+	return l->owner != NULL;
+}
+
 /**
  * Lock a latch. If the latch is already locked by another fiber,
  * waits for timeout.
-- 
2.31.1


  reply	other threads:[~2021-07-26 15:35 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-26 15:34 [Tarantool-patches] [PATCH v8 0/6] limbo: implement packets filtering Cyrill Gorcunov via Tarantool-patches
2021-07-26 15:34 ` Cyrill Gorcunov via Tarantool-patches [this message]
2021-07-26 15:34 ` [Tarantool-patches] [PATCH v8 2/6] say: introduce panic_on helper Cyrill Gorcunov via Tarantool-patches
2021-07-26 15:34 ` [Tarantool-patches] [PATCH v8 3/6] limbo: gather promote tracking into a separate structure Cyrill Gorcunov via Tarantool-patches
2021-07-28 21:34   ` Vladislav Shpilevoy via Tarantool-patches
2021-07-28 21:57     ` Cyrill Gorcunov via Tarantool-patches
2021-07-28 22:07       ` Vladislav Shpilevoy via Tarantool-patches
2021-07-29  6:40         ` Cyrill Gorcunov via Tarantool-patches
2021-07-26 15:34 ` [Tarantool-patches] [PATCH v8 4/6] limbo: order access to the limbo terms terms Cyrill Gorcunov via Tarantool-patches
2021-07-26 15:34 ` [Tarantool-patches] [PATCH v8 5/6] limbo: filter incoming synchro requests Cyrill Gorcunov via Tarantool-patches
2021-07-26 15:34 ` [Tarantool-patches] [PATCH v8 6/6] test: replication -- add gh-6036-rollback-confirm Cyrill Gorcunov via Tarantool-patches

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