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From: Nikita Pettik <korablev@tarantool.org>
To: tarantool-patches@dev.tarantool.org
Cc: v.shpilevoy@tarantool.org
Subject: [Tarantool-patches] [PATCH v2 08/10] box/error: clarify purpose of reference counting in struct error
Date: Wed, 25 Mar 2020 04:43:04 +0300	[thread overview]
Message-ID: <26c794f2c6fcca11d202f0fbf3b41b9490bf780c.1585097339.git.korablev@tarantool.org> (raw)
In-Reply-To: <cover.1585097339.git.korablev@tarantool.org>
In-Reply-To: <cover.1585097339.git.korablev@tarantool.org>

---
 src/lib/core/diag.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/lib/core/diag.h b/src/lib/core/diag.h
index 675b9c6f1..665f492fa 100644
--- a/src/lib/core/diag.h
+++ b/src/lib/core/diag.h
@@ -71,6 +71,15 @@ struct error {
 	error_f raise;
 	error_f log;
 	const struct type_info *type;
+	/**
+	 * Reference counting is basically required since
+	 * instances of this structure are available in Lua
+	 * as well (as cdata with overloaded fields and methods
+	 * by the means of introspection). Thus, it may turn
+	 * out that Lua's GC attempts at releasing object
+	 * meanwhile it is still used in C internals or vice
+	 * versa. For details see luaT_pusherror().
+	 */
 	int refs;
 	/**
 	 * Errno at the moment of the error
-- 
2.17.1

  parent reply	other threads:[~2020-03-25  1:43 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-25  1:42 [Tarantool-patches] [PATCH v2 00/10] Stacked diagnostics Nikita Pettik
2020-03-25  1:42 ` [Tarantool-patches] [PATCH v2 01/10] box: rfc for stacked diagnostic area Nikita Pettik
2020-03-25  8:27   ` Konstantin Osipov
2020-03-25 14:08     ` Nikita Pettik
2020-03-25  1:42 ` [Tarantool-patches] [PATCH v2 02/10] box: rename diag_add_error to diag_set_error Nikita Pettik
2020-03-25  8:27   ` Konstantin Osipov
2020-03-26  0:22   ` Vladislav Shpilevoy
2020-03-26 12:31     ` Nikita Pettik
2020-03-25  1:42 ` [Tarantool-patches] [PATCH v2 03/10] test: move box.error tests to box/error.test.lua Nikita Pettik
2020-03-25  8:28   ` Konstantin Osipov
2020-03-26  0:22   ` Vladislav Shpilevoy
2020-03-26 12:31     ` Nikita Pettik
2020-03-25  1:43 ` [Tarantool-patches] [PATCH v2 04/10] box/error: introduce box.error.set() method Nikita Pettik
2020-03-25  8:33   ` Konstantin Osipov
2020-03-25 17:41     ` Nikita Pettik
2020-03-26  0:22   ` Vladislav Shpilevoy
2020-03-26 12:31     ` Nikita Pettik
2020-03-25  1:43 ` [Tarantool-patches] [PATCH v2 05/10] box/error: don't set error created via box.error.new to diag Nikita Pettik
2020-03-26 16:50   ` Konstantin Osipov
2020-03-26 17:59     ` Nikita Pettik
2020-03-26 18:06       ` Nikita Pettik
2020-03-26 18:07       ` Alexander Turenko
2020-03-27  0:19   ` Vladislav Shpilevoy
2020-03-27 13:09     ` Nikita Pettik
2020-03-25  1:43 ` [Tarantool-patches] [PATCH v2 06/10] box: introduce stacked diagnostic area Nikita Pettik
2020-03-26 16:54   ` Konstantin Osipov
2020-03-26 18:03     ` Nikita Pettik
2020-03-26 18:08       ` Konstantin Osipov
2020-03-28 18:40   ` Vladislav Shpilevoy
2020-04-01 16:09     ` Nikita Pettik
2020-04-02  0:29       ` Vladislav Shpilevoy
2020-04-02 17:42         ` Nikita Pettik
2020-04-02 22:20           ` Vladislav Shpilevoy
2020-04-03  1:54             ` Nikita Pettik
2020-04-03 23:17               ` Vladislav Shpilevoy
2020-03-28 18:59   ` Vladislav Shpilevoy
2020-03-31 17:44     ` Nikita Pettik
2020-04-02  0:29       ` Vladislav Shpilevoy
2020-04-02 14:16         ` Nikita Pettik
2020-03-25  1:43 ` [Tarantool-patches] [PATCH v2 07/10] box: use stacked diagnostic area for functional indexes Nikita Pettik
2020-03-30 23:24   ` Vladislav Shpilevoy
2020-04-01 15:53     ` Nikita Pettik
2020-03-25  1:43 ` Nikita Pettik [this message]
2020-03-30 23:24   ` [Tarantool-patches] [PATCH v2 08/10] box/error: clarify purpose of reference counting in struct error Vladislav Shpilevoy
2020-03-25  1:43 ` [Tarantool-patches] [PATCH v2 09/10] iproto: refactor error encoding with mpstream Nikita Pettik
2020-03-30 23:24   ` Vladislav Shpilevoy
2020-04-01 15:54     ` Nikita Pettik
2020-03-25  1:43 ` [Tarantool-patches] [PATCH v2 10/10] iproto: support error stacked diagnostic area Nikita Pettik
2020-03-30 23:24   ` Vladislav Shpilevoy
2020-04-01 16:26     ` Nikita Pettik
2020-04-01 22:24       ` Nikita Pettik
2020-04-02  0:29         ` Vladislav Shpilevoy
2020-04-02 14:01           ` Nikita Pettik
2020-04-02 22:20             ` Vladislav Shpilevoy
2020-04-03  2:16               ` Nikita Pettik
2020-04-03 23:17                 ` Vladislav Shpilevoy
2020-04-06 11:07                   ` Nikita Pettik

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