Tarantool development patches archive
 help / color / mirror / Atom feed
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 v19 1/3] latch: add latch_is_locked helper
Date: Thu, 30 Sep 2021 12:44:43 +0300
Message-ID: <20210930094445.316694-2-gorcunov@gmail.com> (raw)
In-Reply-To: <20210930094445.316694-1-gorcunov@gmail.com>

To test if latch is locked.

Part-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:[~2021-09-30  9:45 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-30  9:44 [Tarantool-patches] [PATCH v19 0/3] qsync: implement packet filtering (part 1) Cyrill Gorcunov via Tarantool-patches
2021-09-30  9:44 ` Cyrill Gorcunov via Tarantool-patches [this message]
2021-09-30  9:44 ` [Tarantool-patches] [PATCH v19 2/3] qsync: order access to the limbo terms Cyrill Gorcunov via Tarantool-patches
2021-10-01 12:14   ` Serge Petrenko via Tarantool-patches
2021-10-01 12:31     ` Cyrill Gorcunov via Tarantool-patches
2021-10-01 12:37       ` Serge Petrenko via Tarantool-patches
2021-10-04 21:53         ` Cyrill Gorcunov via Tarantool-patches
2021-10-05 13:25           ` Serge Petrenko via Tarantool-patches
2021-10-05 21:52             ` Cyrill Gorcunov via Tarantool-patches
2021-09-30  9:44 ` [Tarantool-patches] [PATCH v19 3/3] test: add gh-6036-qsync-order test Cyrill Gorcunov via Tarantool-patches
2021-10-01 12:30   ` Serge Petrenko via Tarantool-patches
2021-10-04 21:16     ` Cyrill Gorcunov via Tarantool-patches
2021-10-05 13:55       ` Serge Petrenko via Tarantool-patches
2021-10-05 22:26         ` Cyrill Gorcunov via Tarantool-patches
2021-10-05 22:32           ` Cyrill Gorcunov via Tarantool-patches
2021-10-06  7:06             ` Cyrill Gorcunov via Tarantool-patches

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210930094445.316694-2-gorcunov@gmail.com \
    --to=tarantool-patches@dev.tarantool.org \
    --cc=gorcunov@gmail.com \
    --cc=v.shpilevoy@tarantool.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Tarantool development patches archive

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://lists.tarantool.org/tarantool-patches/0 tarantool-patches/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 tarantool-patches tarantool-patches/ https://lists.tarantool.org/tarantool-patches \
		tarantool-patches@dev.tarantool.org.
	public-inbox-index tarantool-patches

Example config snippet for mirrors.


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git