From owner-freebsd-hackers@freebsd.org Wed Jun 19 13:24:02 2019 Return-Path: Delivered-To: freebsd-hackers@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 353C415B88C1 for ; Wed, 19 Jun 2019 13:24:02 +0000 (UTC) (envelope-from goia.i.alexandru@gmail.com) Received: from mail-ua1-x942.google.com (mail-ua1-x942.google.com [IPv6:2607:f8b0:4864:20::942]) (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 39E978CC45 for ; Wed, 19 Jun 2019 13:24:01 +0000 (UTC) (envelope-from goia.i.alexandru@gmail.com) Received: by mail-ua1-x942.google.com with SMTP id o2so9746639uae.10 for ; Wed, 19 Jun 2019 06:24:01 -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=p4gNXgnTuG3z7cLzi1dbRaHWAiEpZwJVCHnZlmuQi+o=; b=H7QCyIA78nJEuPAzko/rsuQc1PnFJ6oY3g67GfWXke02gPFlK3aJNvk7LCywfxuldP oaE3MW2gVbWmnb/hnGmsiMlrk6TrT+g2/iy6ydo54SlCwZSso3IV8WbUBNa1xFo4BfSl hNfegkgmxvv2uJBA11pBcpUPmuM0LNXMKt9x3bNL9/IlK9YaGOKmYVf37A2RN3OVRdC2 hN8AnQeClsMatxv3Cx/l4hH+vJtEBzBRzYVvnwg1JfCb9N8csdJ01UVVvuJ0KieErsrW 1E4bq5GE8HAP1bobd31C6Me7D7wIJdKFdP9wGXteimp7aGqNtzahepSXBeYB+wvzZze9 6sZw== 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=p4gNXgnTuG3z7cLzi1dbRaHWAiEpZwJVCHnZlmuQi+o=; b=RGzwe2Z5jwuSxPgu2i6zFboCgSOE9ImfSNAT3blYVpC2uClJ/rolnXdxyB5nswuThP d75x3kvyPwO8XPvhXNmwzO7PrEAbmfOmb4zuX4FpShlkgnmsxP8yRhKLiIM5FQZuPF/s yU8h8mHkA+BgdGuOArYqbN12yk1kqvYXZnpwZLyDYykOeg1IbPP+56lxa5KW3hOBDcvF DlBGAX1u9EnZdglVo+bHQHf0HCTifS0oaCUdhoYdnNE1uyXdAbiFffoo2deKiY9IvBMz UrxxiypbahcNV7J/EK7aOTUAJVpXOGgQvkoJOsWyiezf9sLkdgcRI5tmi7FLsCm8udcQ 1yFQ== X-Gm-Message-State: APjAAAU/0nMjVtOZmhdEI4ilFFuW8915TI5yUFfdd6Gf/uGQdN0+Jsd7 rMEvVwgsZd8HH11YbTQycI7cJGpF48q90vuLFhuZyMDZSDVs5w== X-Google-Smtp-Source: APXvYqyBHuIwCB8EDvImTCnBZcCSy+ZmJGmdJzg7WGSlFsMcN9/5A44YxsCrQ5jxg5BNG8DZS3GExm0qM7UUlIc6hEY= X-Received: by 2002:a67:11c1:: with SMTP id 184mr38490858vsr.217.1560950640528; Wed, 19 Jun 2019 06:24:00 -0700 (PDT) MIME-Version: 1.0 From: Alexandru Goia Date: Wed, 19 Jun 2019 16:23:49 +0300 Message-ID: Subject: FreeBSD kernel system call To: freebsd-hackers@freebsd.org X-Rspamd-Queue-Id: 39E978CC45 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=H7QCyIA7; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of goiaialexandru@gmail.com designates 2607:f8b0:4864:20::942 as permitted sender) smtp.mailfrom=goiaialexandru@gmail.com X-Spamd-Result: default: False [-4.39 / 15.00]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; TO_DN_NONE(0.00)[]; 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(-0.81)[-0.805,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; 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)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; RCVD_TLS_LAST(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2.4.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-0.57)[ip: (2.64), ipnet: 2607:f8b0::/32(-3.13), asn: 15169(-2.30), country: US(-0.06)]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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, 19 Jun 2019 13:24:02 -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