From owner-freebsd-questions@freebsd.org Wed Jun 19 13:12:53 2019 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 80A5D15B841A for ; Wed, 19 Jun 2019 13:12:53 +0000 (UTC) (envelope-from goia.i.alexandru@gmail.com) Received: from mail-vk1-xa41.google.com (mail-vk1-xa41.google.com [IPv6:2607:f8b0:4864:20::a41]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 7CE2C8C4D7 for ; Wed, 19 Jun 2019 13:12:52 +0000 (UTC) (envelope-from goia.i.alexandru@gmail.com) Received: by mail-vk1-xa41.google.com with SMTP id b64so447015vke.13 for ; Wed, 19 Jun 2019 06:12:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=/aJJZFrg+K5CVkBanGRGNs7bamFhNZJEp7cQs/FmOic=; b=TyMLfCV0eGDHiy12phYDqzho9iSkZ4+3aVf27G24RvdaTVFau72bcHhPXWyD2EUUFC OO3lGzEmXq/4IJG0ZOBgq0zEBQVykKM639ptsmvCHqjYWntt3prIVpUMa9Q10PqL2Cpv hRdfBjZoyH+eUeT2ZOf+33aWSbJbCBBlQvWZdR4qrfLVn+F5wR7/wL3IbHgOAoG3B+/+ Bwmc3Y8/rrL2xXm0Bvr+x9vn++lQfOjeh4R1dpfHPB84d//Nrbuc68xsLkCG/QYK1axK ASEV3zBwvg2g5OWn8LsRhHT0ShmOu9DsSKem06avkZI9qizpMpdkMqL7QtoW1K+twVC1 FH+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=/aJJZFrg+K5CVkBanGRGNs7bamFhNZJEp7cQs/FmOic=; b=obNsvMglu5vVWsiVVfaw+1fYZAuthAbtSRFDilNjbwhp5Shx4jUhJ4hT338JbI5ei+ eTJo/ow0SleEw6bu8UjEbr4BUnU9hsmAZnk/wEQxvh8yoeOFIwSx1EOB6NOKc5JS7jzW aKXn8S5CfzoPtrxyNOh/4zd47FU1pCoHp5g1Hf10N/eMboWONXaXw47nfyg42qeCWoLi YjTuzuqQtQ7ghNH3o8Q2CUCadyjbNBW2EQrjYs5V+ek48EncLArkLpJGcx5AGM1jYAlF jfPOEFUHq2RtHM9sX2quYeSiU2rcYU2u+CK0yPYunurLb4+4akdjJs3RbjRTl/NSOLb1 bLJQ== X-Gm-Message-State: APjAAAX+a49B7ef3D5VoCsyiN5tI6Y/8VcsJNFWQtKViefUhKJUhg6bj 0XH4MxQZ49Qzrji2lq4jvOtEieNNuPhllSJWWRuw/+UTgHU= X-Google-Smtp-Source: APXvYqyad3z+VW70gfUAjd/kWrz12Ffl/bpUJYkaLGEtbo+4zf2q2zvAM5MRn1VeX0EbhZHPpa7AOuwTQWW+noaQh8o= X-Received: by 2002:a1f:50c1:: with SMTP id e184mr4467484vkb.86.1560949971696; Wed, 19 Jun 2019 06:12:51 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a67:7ad3:0:0:0:0:0 with HTTP; Wed, 19 Jun 2019 06:12:51 -0700 (PDT) From: Alexandru Goia Date: Wed, 19 Jun 2019 16:12:51 +0300 Message-ID: Subject: FreeBSD kernel system call To: freebsd-questions@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 7CE2C8C4D7 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=TyMLfCV0; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of goiaialexandru@gmail.com designates 2607:f8b0:4864:20::a41 as permitted sender) smtp.mailfrom=goiaialexandru@gmail.com X-Spamd-Result: default: False [-4.19 / 15.00]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; NEURAL_HAM_SHORT(-0.77)[-0.768,0]; 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:2607:f8b0::/32, country:US]; TAGGED_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)[-1.000,0]; R_DKIM_ALLOW(-0.20)[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-questions@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; IP_SCORE(-0.42)[ip: (3.42), ipnet: 2607:f8b0::/32(-3.13), asn: 15169(-2.30), country: US(-0.06)]; RCVD_IN_DNSWL_NONE(0.00)[1.4.a.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jun 2019 13:12:53 -0000 Greetings ! I am trying to write the code to a Unix system call, on the FreeBSD 12.0 system. I managed to do that on Linux : http://romania-acknowledges-stars.blogspot.com/2018/10/angel-call-in-kernel.html but I find hard, without proper documentation, to implement it on FreeBSD. I am in trouble understanding the presence of SYSCALL_MODULE(9), and its meaning and usage. Please help. Thank you. Alexander Goia