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[79.19.193.164]) by smtp.gmail.com with ESMTPSA id j13sm8570976wrx.74.2019.03.12.17.35.31 for (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 12 Mar 2019 17:35:32 -0700 (PDT) Date: Wed, 13 Mar 2019 01:35:30 +0100 From: Alfonso Siciliano To: freebsd-hackers@freebsd.org Subject: kern_sysctl.c interface Message-Id: <20190313013530.d96fc84c362bb489178357eb@gmail.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: F3FC78DF29 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=p0npqsrC; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of alfix86@gmail.com designates 2a00:1450:4864:20::42e as permitted sender) smtp.mailfrom=alfix86@gmail.com X-Spamd-Result: default: False [-4.19 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(0.00)[+ip6:2a00:1450:4000::/36]; MV_CASE(0.50)[]; TO_DN_NONE(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; RBL_SEM_IPV6(1.00)[e.2.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.bl.ipv6.spameatingmonkey.net]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(0.00)[gmail.com,none]; NEURAL_HAM_SHORT(-0.99)[-0.993,0]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; R_DKIM_ALLOW(0.00)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; BAD_REP_POLICIES(0.10)[]; IP_SCORE(-2.69)[ip: (-8.97), ipnet: 2a00:1450::/32(-2.35), asn: 15169(-2.08), country: US(-0.07)]; RCVD_IN_DNSWL_NONE(0.00)[e.2.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Mar 2019 00:35:36 -0000 Hi hackers! kern_sysctl.c provides an interface to get the members of a 'struct sysctl_oid' from the kernel to userland (it is needful to write a sysctl-like utility). A comment tells * This interface is under work and consideration, and should probably * be killed with a big axe by the first person who can find the time. * (be aware though, that the proper interface isn't as obvious as it * may seem, there are various conflicting requirements. Where can I find documentation/discussion/tips about it? I'm coding an interface https://gitlab.com/alfix/kernel-sysctlmibinfo for my ports. Regards, Alfonso Siciliano