From owner-freebsd-hackers@FreeBSD.ORG Sat Oct 25 07:56:50 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A15EA106566B for ; Sat, 25 Oct 2008 07:56:50 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from QMTA09.westchester.pa.mail.comcast.net (qmta09.westchester.pa.mail.comcast.net [76.96.62.96]) by mx1.freebsd.org (Postfix) with ESMTP id 4AD4A8FC1F for ; Sat, 25 Oct 2008 07:56:50 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from OMTA05.westchester.pa.mail.comcast.net ([76.96.62.43]) by QMTA09.westchester.pa.mail.comcast.net with comcast id WvuE1a0040vyq2s59vwpKC; Sat, 25 Oct 2008 07:56:49 +0000 Received: from koitsu.dyndns.org ([69.181.141.110]) by OMTA05.westchester.pa.mail.comcast.net with comcast id Wvwo1a0052P6wsM3RvwpFS; Sat, 25 Oct 2008 07:56:49 +0000 X-Authority-Analysis: v=1.0 c=1 a=Gia_n1T2EukA:10 a=q0bofQMocTIA:10 a=QycZ5dHgAAAA:8 a=MWtmk4XHxJ4B1my8Sb4A:9 a=LqBKpdnBXI4WWRPt1gXpMVAiBDAA:4 a=EoioJ0NPDVgA:10 a=LY0hPdMaydYA:10 Received: by icarus.home.lan (Postfix, from userid 1000) id 9E5D6C9420; Sat, 25 Oct 2008 00:56:48 -0700 (PDT) Date: Sat, 25 Oct 2008 00:56:48 -0700 From: Jeremy Chadwick To: en0f Message-ID: <20081025075648.GB55339@icarus.home.lan> References: <539c60b90810241534l6bedc5e3s1c2e3162c2a7ff38@mail.gmail.com> <4902CC86.8030408@bokey.mine.nu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4902CC86.8030408@bokey.mine.nu> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-hackers Subject: Re: neophyte: tcsetattr() gives 22 error in i386, not in amd64? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Oct 2008 07:56:50 -0000 On Sat, Oct 25, 2008 at 06:06:38PM +1030, en0f wrote: > Nate Eldredge wrote: > > On Fri, 24 Oct 2008, Steve Franks wrote: > > > >> Hi, > >> > >> I'm getting a 22 errno from tcsetattr() on 7-STABLE i386 in code which > >> was working under 7-STABLE amd64. Serial device is a ucom (silabs > >> cp2103). Permissions on /dev/cuaU0 look fine. Cutecom/Minicom > >> appears to open the port without error... > > > > I don't see anything obviously wrong, but I'd bet a bug related to > > 32/64-bit types. Can you post a complete piece of code that can be > > compiled and run and demonstrates the problem? Also, try compiling with > > -Wall -W and investigate any warnings that are produced. > > > > By the way, errno 22 is EINVAL, "Invalid argument". perror() is your > > friend. > > Strange freebsd doesnt document error numbers. On POSIX, errno 22 is > EINVAL as well (documented in errno(3)). Is this applicable to freebsd? /usr/include/errno.h isn't documentation of error numbers? -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |