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From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Alexander Turenko <alexander.turenko@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH 01/13] popen: require popen handle to be non-NULL
Date: Fri, 10 Apr 2020 10:16:27 +0300	[thread overview]
Message-ID: <20200410071627.GF3072@uranus> (raw)
In-Reply-To: <0bd904ddc2f18b1a078aac62fcc95485b36edd92.1586486220.git.alexander.turenko@tarantool.org>

On Fri, Apr 10, 2020 at 05:50:39AM +0300, Alexander Turenko wrote:
> Further commits will add proper entries into the diagnostics area for
> failures inside popen functions. We should either report handle == NULL
> case via the diagnostics area or ensure that the NULL handle case is not
> possible.
> 
> The latter approach is implemented in this commit. There are two
> reasons for this:
> 
> * This way simplifies function contracts (one less kind of failure).
> * The popen Lua module (that will be implemented in the further commits)
>   will not construct any logic using NULL as a handle. When 'NULL
>   handle' error is not possible in the C API, it will be easier to
>   verify that this failure is not possible the Lua API.
> 
> A user of the C API should take care to don't call those functions with
> NULL handle.
> 
> Part of #4031

Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>

  reply	other threads:[~2020-04-10  7:16 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-10  2:50 [Tarantool-patches] [PATCH 00/13] Popen Lua API: preliminary patches Alexander Turenko
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 01/13] popen: require popen handle to be non-NULL Alexander Turenko
2020-04-10  7:16   ` Cyrill Gorcunov [this message]
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 02/13] popen: remove retval from popen_state() Alexander Turenko
2020-04-10  7:17   ` Cyrill Gorcunov
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 03/13] popen: add missed diag_set in popen_signal/delete Alexander Turenko
2020-04-10  7:23   ` Cyrill Gorcunov
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 04/13] popen: add logging of fds closed in a child Alexander Turenko
2020-04-10  7:46   ` Cyrill Gorcunov
2020-04-10 12:19     ` Alexander Turenko
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 05/13] say: allow to set a logger file descriptor Alexander Turenko
2020-04-10  8:33   ` Cyrill Gorcunov
2020-04-10 12:19     ` Alexander Turenko
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 06/13] popen: decouple logger fd from stderr Alexander Turenko
2020-04-10  9:18   ` Cyrill Gorcunov
2020-04-10 12:20     ` Alexander Turenko
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 07/13] popen: add const qualifier to popen_write_timeout Alexander Turenko
2020-04-10  8:04   ` Cyrill Gorcunov
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 08/13] popen: unblock popen_read_timeout at a first byte Alexander Turenko
2020-04-10  8:10   ` Cyrill Gorcunov
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 09/13] popen: remove redundant fd check before perform IO Alexander Turenko
2020-04-10  8:18   ` Cyrill Gorcunov
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 10/13] popen: add missed diag_set() in popen IO functions Alexander Turenko
2020-04-10  8:28   ` Cyrill Gorcunov
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 11/13] coio: fix obsoleted comment in coio_write_timeout Alexander Turenko
2020-04-10  8:28   ` Cyrill Gorcunov
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 12/13] coio: add *_noxc read / write functions Alexander Turenko
2020-04-10  8:05   ` Konstantin Osipov
2020-04-10  8:17     ` Cyrill Gorcunov
2020-04-10 11:57     ` Alexander Turenko
2020-04-12 12:51     ` Alexander Turenko
2020-04-10  8:29   ` Cyrill Gorcunov
2020-04-10  2:50 ` [Tarantool-patches] [PATCH 13/13] popen: use of exception safe functions for IO Alexander Turenko
2020-04-10 11:50   ` Cyrill Gorcunov
2020-04-10 12:21     ` Alexander Turenko
2020-04-10 16:36 ` [Tarantool-patches] [PATCH 00/13] Popen Lua API: preliminary patches Kirill Yukhin

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