220 32071 <41dc3025-be7f-4c6a-a61c-c21386f59169@isocpp.org> article Path: news.gmane.org!.POSTED!not-for-mail From: erik.alapaa@gmail.com Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Add support for setting priority ceiling and/or priority inheritance on std::mutex Date: Tue, 11 Apr 2017 02:20:27 -0700 (PDT) Lines: 70 Approved: news@gmane.org Message-ID: <41dc3025-be7f-4c6a-a61c-c21386f59169@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_2059_88907687.1491902427220" X-Trace: blaine.gmane.org 1491902430 16138 195.159.176.226 (11 Apr 2017 09:20:30 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 11 Apr 2017 09:20:30 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBDIOPWEDU4LRBW57WLDQKGQEZK6AWOQ@isocpp.org Tue Apr 11 11:20:23 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-yw0-f197.google.com ([209.85.161.197]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cxryJ-00044c-6Z for gclcip-std-proposals@m.gmane.org; Tue, 11 Apr 2017 11:20:23 +0200 Original-Received: by mail-yw0-f197.google.com with SMTP id i196sf7420990ywe.9 for ; Tue, 11 Apr 2017 02:20:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:message-id:subject:mime-version:x-original-sender :reply-to:precedence:mailing-list:list-id:x-spam-checked-in-group :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=RPG7xvNRLds8U0zHLXfibSILL//EoXP1l6RzQJPHvpE=; b=dB73pdimG/MX3kSWwcIbLxJMRUY5E7RWJ7EJpIeGdFaAWhTfSW1ZPLMWT243+6jbej pYa2cwiZYFHv1bAS0o5xqHEcZvgAHdQY4pna1Lm10muS4jnFycqshGzxRu+YJWE/r3h7 dVuGm/Kl6FcdvxKh00aWQDBRJBe6X2I01SiFnYs5Oi8YXLP69LOhVz0GtdBBb0GnoIJJ P3FxxuLBB4vYpJU2Y+ASP4hWG2MD8hwIik0YakO05RxcDy5yPO7WEffMmceJPwO26t3W lhT84SoBM8F40QHogmD2qRg/hEhMBgPd++8UJzWj+WusZvKXYEevqBuBgccyEK4m+6nO qzPw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:message-id:subject:mime-version:x-original-sender :reply-to:precedence:mailing-list:list-id:x-spam-checked-in-group :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=RPG7xvNRLds8U0zHLXfibSILL//EoXP1l6RzQJPHvpE=; b=S6Obulhqyx371qfblUx6tbkFuQ2n6YJf5Jay6JKnY8JbPuTTs4p//3U7DLssmoH21Y HewJsgAM9eNQKcc8RmyGiXXrgYmh1vm53FT2PcQZfI+3MqYgP7hsaFUTm3PixWDPrcAt fYaQHtFgPj1Z3ywZRNkCPBtkXUCqCc71NYFnl4QZAy4uYoaU1EFS8wrlBAdCTsiYcODF gaWbp18mByhjOkYuJpF6n82MaN179NZrGARHP/IHJmpSUI9NHFezJmD4zECpQYlIdcxZ FDxxoe7boR72K5QLDOHhOvZ2Dy4wsg86KpUq6/ZYAFjClRA8tlhIz1GsOxXdNeOkk7dS NGEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:message-id:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=RPG7xvNRLds8U0zHLXfibSILL//EoXP1l6RzQJPHvpE=; b=PgnEdC/ehO5UZ28Ev+gpZrtJ//2ROUj51hUBnaJCcEIrtxhnWR1E3slgn9YMaPoytm QDHrqbc3X7ILpRUsfJxstpgmzNmJFZ5O/z+YgJgN+m8uurbKo9J08nu34DdmotqdoXnc 7vHtA6Fi5YO9TCs45k23dTewwph3Rt4GVgfyqe47xLxh7LgI0FzuNaVrf3BA4viB8MgT OeT3aXc/gxWEWnS72WcazV/k7DJYtrQn1+/RTVRPtS/9Ous85swTHc7C0d5iQNXNYeKo tmgS1oD40lX55YDBgs4NQmNawRXps4248MXxWrFeMtrhDXx//EzHlEAPHB2fU0ezHUqD gG7w== X-Gm-Message-State: AN3rC/41HkArK7Akm9dQtPoc9cv+Q8goORe7h1MnKOkMLeel6/v6IvViKTUZbLb/LO6Ptw== X-Received: by 10.129.113.67 with SMTP id m64mr1039790ywc.170.1491902428459; Tue, 11 Apr 2017 02:20:28 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.157.14.36 with SMTP id c33ls832820otc.28.gmail; Tue, 11 Apr 2017 02:20:27 -0700 (PDT) X-Received: by 10.157.17.171 with SMTP id v40mr709954otf.11.1491902427629; Tue, 11 Apr 2017 02:20:27 -0700 (PDT) X-Original-Sender: erik.alapaa@gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:32071 Archived-At: ------=_Part_2059_88907687.1491902427220 Content-Type: multipart/alternative; boundary="----=_Part_2060_1232360326.1491902427221" ------=_Part_2060_1232360326.1491902427221 Content-Type: text/plain; charset=UTF-8 Hi, I am a C++ developer mainly working in real-time systems (both hard and soft) and Linux systems/network programming. One sorely needed feature to be able to steer clear of naked pthread mutexes is the possibility to configure priority ceiling or priority inheritance on a std::mutex. Alternatively, a std:: wrapper for a pthread_mutex_t so it easily can be used with std::lock_guard or std::scoped_lock. Is there any plans to extend the std::threads library with such support, on OS:es that support priority inheritance mutexes? Se also http://stackoverflow.com/questions/43234293/default-priority-inheritance-policy-of-pthread-mutexes-on-linux -- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/41dc3025-be7f-4c6a-a61c-c21386f59169%40isocpp.org. ------=_Part_2060_1232360326.1491902427221 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

I am a C++ developer mainly working= in real-time systems (both hard and soft) and Linux systems/network progra= mming. One sorely needed feature to be able to steer clear of naked pthread= mutexes is the possibility to configure priority ceiling or priority inher= itance on a std::mutex. Alternatively, a std:: wrapper for a pthread_mutex_= t so it easily can be used with std::lock_guard or std::scoped_lock.
<= div>
Is there any plans to extend the std::threads library wi= th such support, on OS:es that support priority inheritance mutexes?
<= div>
Se also

http://stackoverflow.co= m/questions/43234293/default-priority-inheritance-policy-of-pthread-mutexes= -on-linux





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