All of lore.kernel.org
 help / color / mirror / Atom feed
From: Richard Weinberger <richard.weinberger@gmail.com>
To: "Petr Červenka" <grugh@centrum.cz>
Cc: Jan Kiszka <jan.kiszka@siemens.com>, Xenomai <xenomai@xenomai.org>
Subject: Re: rt_task_unblock() POSIX alternative
Date: Wed, 8 Apr 2020 23:36:43 +0200	[thread overview]
Message-ID: <CAFLxGvx9-awne2He+ULqOzwf0cGae1s_k+-b8tdiM+uT67+cYg@mail.gmail.com> (raw)
In-Reply-To: <20200408114406.6119E0D9@centrum.cz>

On Wed, Apr 8, 2020 at 11:44 AM Petr Červenka <grugh@centrum.cz> wrote:
>
> > Use pthread_kill() plus a custom signal. Such as SIGRTMIN + 2.
> Calling of kill() or pthread_kill() does not help. Nothing is able to interrupt read() from timerfd (only pthread_cancel). Do I have to prepare the task or timerfd to be interruptible by a signal?

BTW: Why do you think nothing can interrupt a read() from a timerfd?
If read() blocks on a timerfd the calling thread will be put into
interruptable sleep.

-- 
Thanks,
//richard


  parent reply	other threads:[~2020-04-08 21:36 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-07 13:41 rt_task_unblock() POSIX alternative Petr Červenka
2020-04-07 14:59 ` Jan Kiszka
2020-04-07 15:18   ` Petr Červenka
2020-04-07 15:29     ` Jan Kiszka
2020-04-07 15:30     ` Richard Weinberger
2020-04-08  9:44       ` Petr Červenka
2020-04-08 10:06         ` Richard Weinberger
2020-04-08 21:36         ` Richard Weinberger [this message]
2020-04-09 15:00           ` Petr Červenka
2020-04-09 16:13             ` Richard Weinberger
2020-04-09 18:10               ` Petr Červenka
2020-04-09 18:48                 ` Richard Weinberger
2020-04-14  8:16                   ` Petr Červenka
2020-04-14  8:30                     ` Richard Weinberger
2020-04-14  9:10                       ` Petr Červenka
2020-04-14  9:46                         ` Richard Weinberger
2020-04-14 10:07                           ` Jan Kiszka
2020-04-14 10:23                             ` Richard Weinberger
2020-04-14 10:28                               ` Jan Kiszka
2020-04-14 10:41                                 ` Richard Weinberger
2020-04-14 10:43                                   ` Jan Kiszka
2020-04-14 10:56                                     ` Richard Weinberger
2020-04-14 11:01                                       ` Jan Kiszka
2020-04-14 11:05                                         ` Richard Weinberger
2020-04-14 11:30                                           ` Jan Kiszka
2020-04-14 10:39                             ` Petr Červenka

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=CAFLxGvx9-awne2He+ULqOzwf0cGae1s_k+-b8tdiM+uT67+cYg@mail.gmail.com \
    --to=richard.weinberger@gmail.com \
    --cc=grugh@centrum.cz \
    --cc=jan.kiszka@siemens.com \
    --cc=xenomai@xenomai.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
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.