Util-Linux Archive on lore.kernel.org
 help / color / Atom feed
From: Karel Zak <kzak@redhat.com>
To: Patrick Steinhardt <ps@pks.im>
Cc: util-linux@vger.kernel.org, Florian Weimer <fweimer@redhat.com>
Subject: Re: [PATCH v2] include/closestream: fix assignment to read-only standard streams
Date: Mon, 2 Sep 2019 12:01:50 +0200
Message-ID: <20190902100150.mt2wwyxpmdpkn3w6@10.255.255.10> (raw)
In-Reply-To: <3e5f8ff67edc6ae34ff67124c956a71dcf49ea98.1566466780.git.ps@pks.im>

On Thu, Aug 22, 2019 at 11:40:15AM +0200, Patrick Steinhardt wrote:
> Properly flushing standard streams without fclose(3P) proves to be more
> intricate than one may expect, though, as some filesystems like NFS may
> defer flushing until they see a close(3P) of the underlying descriptor.
> One may call fsync(3P) to remedy that, but this may incur a heavy
> performance penalty in some scenarios. To work around the issue and
> still get proper errors, we duplicate the stream's file descriptor and
> close that one instead, which is sufficient to cause a flush.

Applied, thanks. We'll see... :-)

    Karel

-- 
 Karel Zak  <kzak@redhat.com>
 http://karelzak.blogspot.com

      parent reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-14 16:45 [PATCH 0/4] Fix closing of standard text streams for non-glibc system Patrick Steinhardt
2019-08-14 16:45 ` [PATCH 1/4] term-utils/ttymsg: fix missing header for ARRAY_SIZE macro Patrick Steinhardt
2019-08-14 16:45 ` [PATCH 2/4] login-utils/islocal: fix missing header for err macro Patrick Steinhardt
2019-08-14 16:45 ` [PATCH 3/4] lib/closestream: move implementation into its own compilation unit Patrick Steinhardt
2019-08-14 16:45 ` [PATCH 4/4] lib/closestream: fix assignment to read-only standard streams Patrick Steinhardt
2019-08-19 13:36 ` [PATCH 0/4] Fix closing of standard text streams for non-glibc system Karel Zak
2019-08-20 13:17   ` Patrick Steinhardt
2019-08-20 15:04     ` Karel Zak
2019-08-20 15:11       ` Florian Weimer
2019-08-23 11:52       ` Karel Zak
2019-08-22  9:40 ` [PATCH v2] include/closestream: fix assignment to read-only standard streams Patrick Steinhardt
2019-08-23 12:00   ` Karel Zak
2019-09-02 10:01   ` Karel Zak [this message]

Reply instructions:

You may reply publically 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=20190902100150.mt2wwyxpmdpkn3w6@10.255.255.10 \
    --to=kzak@redhat.com \
    --cc=fweimer@redhat.com \
    --cc=ps@pks.im \
    --cc=util-linux@vger.kernel.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

Util-Linux Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/util-linux/0 util-linux/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 util-linux util-linux/ https://lore.kernel.org/util-linux \
		util-linux@vger.kernel.org util-linux@archiver.kernel.org
	public-inbox-index util-linux


Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.util-linux


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