From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 029B5C2B9F4 for ; Mon, 28 Jun 2021 11:54:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D544C619BE for ; Mon, 28 Jun 2021 11:54:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232524AbhF1L4p (ORCPT ); Mon, 28 Jun 2021 07:56:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232514AbhF1L4p (ORCPT ); Mon, 28 Jun 2021 07:56:45 -0400 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C753DC061574 for ; Mon, 28 Jun 2021 04:54:18 -0700 (PDT) Received: by mail-pg1-x529.google.com with SMTP id u190so15277652pgd.8 for ; Mon, 28 Jun 2021 04:54:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=NDHL7atvwrkjqitTJnhJQpUCmhXV1vAgxYQQV4DzVrE=; b=fNovtvzDdkNEDxV6/vZdRWRvhuzWFT/8JuPEpDhu7BCYZPHxrNCp5TVi8Tt/34M4VU +XznUMVjyEX1WaKmMaNdQ59KXvFXE0vuzzzYRvFc2a5W3var3gEmDl6Y/t8M1NV9N3d9 ddQlGWx1+vClRJZwIN8CDapT9z6QkFeSFvx9yWN5jlw6LcVgG1jPOeBdf81/YCiFGt0F vGbwfFV7SJfKSpJZNVQAYp9K9+1zYH/ZFItTVPEjzTlGg6ZuJHuNFno6DUhEueRItZvW 5O7TQrY7DBvEOnO3UVO3P4pXvoqsdvH9OKs2I54o5/Uo9iAn41AfYZ6ASoQHZwkBGtTj 0xMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=NDHL7atvwrkjqitTJnhJQpUCmhXV1vAgxYQQV4DzVrE=; b=LrssPOrQFYEG+xCy1//niZslB3y5z7/OWSqtbwF6wwjHtW7/xqK+oR3b4oCXdxcEdF 6bMpDgTN0Y1kROpY8DDdjcaRadXKfKT1Pwuv6yC+OY7rjc5jDoKIEKxEVKlHsdUkxppq ATHlADQE3BAvubBHBv6I43KQhNErG+FE+2DE3GWyKAPE4pCU7KVokdMZII8oChZHIbVX gWDlJjRJtqdnDpGB8ZrYZq+5vFje0HLOEyAKAQI9IKPEwgR2hwIUPtAca1DMqNyw8N3O kPkUbqP/Cpz+lvd5dvCQCRX81GKcqFmJLFhdmOl5M9zw0Cu4aP7LncOVsynAWmksHPAE A9WQ== X-Gm-Message-State: AOAM531iyVGqY9WPOtdRUHFONAWHbM4dE3hGUke7WRWFhyVEsPymcSyy EVRg2ALq8KL/FrRHCFY6QHemyra3cLykFApTtVFf+b2RJYY= X-Google-Smtp-Source: ABdhPJxae5agVG0byrtWt9Mmed2E4LyynS1MYVqz4WZTyQG1i34ssyCVn4rU5sg3neJYq2JQVb2yPquBzfeKA4I23j0= X-Received: by 2002:aa7:8055:0:b029:303:36a6:fec7 with SMTP id y21-20020aa780550000b029030336a6fec7mr24896741pfm.40.1624881258197; Mon, 28 Jun 2021 04:54:18 -0700 (PDT) MIME-Version: 1.0 References: <20210621191830.10628-1-brgl@bgdev.pl> <20210621191830.10628-5-brgl@bgdev.pl> <20210627084757.GA21720@sol> <20210628113413.GA20057@sol> In-Reply-To: <20210628113413.GA20057@sol> From: Andy Shevchenko Date: Mon, 28 Jun 2021 14:53:40 +0300 Message-ID: Subject: Re: [libgpiod][PATCH 4/4] bindings: cxx: implement C++ bindings for libgpiod v2.0 To: Kent Gibson Cc: Andy Shevchenko , Bartosz Golaszewski , Linus Walleij , Jack Winch , Helmut Grohne , "open list:GPIO SUBSYSTEM" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org On Mon, Jun 28, 2021 at 2:35 PM Kent Gibson wrote: > On Mon, Jun 28, 2021 at 02:30:05PM +0300, Andy Shevchenko wrote: > > On Sun, Jun 27, 2021 at 04:47:57PM +0800, Kent Gibson wrote: ... > > Kent, do I understand correctly that Go bindings use C library? > > No, the Go library is pure Go - it makes the ioctl calls itself. Hmm... Interesting. Why is it so? Performance wise? Other points? (It means you are basically replicating what libgpiod does, right?) -- With Best Regards, Andy Shevchenko