From owner-freebsd-arch@freebsd.org Sat Nov 28 15:57:14 2020 Return-Path: Delivered-To: freebsd-arch@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id F32CB4A4748 for ; Sat, 28 Nov 2020 15:57:14 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Cjx2d6fhzz4TvW; Sat, 28 Nov 2020 15:57:10 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (v-critter.freebsd.dk [192.168.55.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by phk.freebsd.dk (Postfix) with ESMTPS id 903148A574; Sat, 28 Nov 2020 15:57:03 +0000 (UTC) Received: (from phk@localhost) by critter.freebsd.dk (8.16.1/8.16.1/Submit) id 0ASFv3G8052818; Sat, 28 Nov 2020 15:57:03 GMT (envelope-from phk) To: Ian Lepore cc: "freebsd-arch@FreeBSD.org" Subject: Re: sbintime_t in userland In-reply-to: <567389bbf8882800c86a9cd8a502051af48cc4ec.camel@freebsd.org> From: "Poul-Henning Kamp" References: <567389bbf8882800c86a9cd8a502051af48cc4ec.camel@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <52816.1606579023.1@critter.freebsd.dk> Date: Sat, 28 Nov 2020 15:57:03 +0000 Message-ID: <52817.1606579023@critter.freebsd.dk> X-Rspamd-Queue-Id: 4Cjx2d6fhzz4TvW X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of phk@critter.freebsd.dk designates 130.225.244.222 as permitted sender) smtp.mailfrom=phk@critter.freebsd.dk X-Spamd-Result: default: False [-3.00 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCPT_COUNT_TWO(0.00)[2]; FORGED_SENDER(0.30)[phk@phk.freebsd.dk,phk@critter.freebsd.dk]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:1835, ipnet:130.225.0.0/16, country:EU]; FROM_NEQ_ENVFROM(0.00)[phk@phk.freebsd.dk,phk@critter.freebsd.dk]; RBL_DBL_DONT_QUERY_IPS(0.00)[130.225.244.222:from]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FREEFALL_USER(0.00)[phk]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[freebsd.dk]; SPAMHAUS_ZRD(0.00)[130.225.244.222:from:127.0.2.255]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-arch] X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Nov 2020 15:57:15 -0000 -------- Ian Lepore writes: > I notice everything related to sbintime_t in sys/time.h is in the > public part of the header file (not protected by #ifdef _KERNEL). As > near as I can tell, no existing userland software uses this type, and > no userland<->kernel APIs involve sbintime_t. s/existing userland/existing checked in userland/ :-) yes, this is a supported, but very lightly documented api. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.