From owner-freebsd-questions@FreeBSD.ORG Tue May 1 19:59:30 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3EB79106566B for ; Tue, 1 May 2012 19:59:30 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: from mail-we0-f182.google.com (mail-we0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id BBC968FC08 for ; Tue, 1 May 2012 19:59:29 +0000 (UTC) Received: by weyt57 with SMTP id t57so3314357wey.13 for ; Tue, 01 May 2012 12:59:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; bh=L+o/rXP2XLrtiWBSBn4jd5+hJ6NUkWcHLbweb9uGUwQ=; b=Q2VSVcanRh6YtHn9/QxVOK91WiqYqu8QgwIq8QEZZC3refnmk7KZ6mMyKMwklrVz6N ujZKkUZ8Sja8Cx6fTBpIK1H4Uzy2whuiJefs2Z5tT1rrBWdEsFIQx31JnSnm3KXAjjoN rlq3C0T46SS0YnypsYjIuz41MfiutQStaQxGc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding:x-gm-message-state; bh=L+o/rXP2XLrtiWBSBn4jd5+hJ6NUkWcHLbweb9uGUwQ=; b=jBymMAda3oOavv4ahfV6e4i3vfAanQFw5OrAXYURWOnCtKPt/xZubAjUuKn/x1YXav MStlJTpkPI1pT681lSxGLNeMr6XHLELE0tsxb6X/9rC/VrSlSaeJIV9w6vFIpuxRzEmz dJCEkIfexZ8sE52NsgMUNCz3ccQG5y5daU39AMh0oT+AzIfLLs76DcCU94dky4I7Ly7J BuqPjrSHmhYjgZeVfY/LmhfEMx5j2dVxqoQCB6zfrAtjgRoiVABjN0emYOsGbezHrD2M cU6vwcTWMPGJnDTfKRpHX4KW9mMMQRUPGlDFPM+a4pqoTFowTo1imfU3sG2Amrv0Y6mv pxtA== Received: by 10.216.136.131 with SMTP id w3mr13004341wei.15.1335902368511; Tue, 01 May 2012 12:59:28 -0700 (PDT) MIME-Version: 1.0 Received: by 10.223.120.6 with HTTP; Tue, 1 May 2012 12:58:58 -0700 (PDT) In-Reply-To: <1335895711.57204.YahooMailNeo@web160104.mail.bf1.yahoo.com> References: <1335895711.57204.YahooMailNeo@web160104.mail.bf1.yahoo.com> From: Eitan Adler Date: Tue, 1 May 2012 15:58:58 -0400 Message-ID: To: Unga Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Gm-Message-State: ALoCoQmt2923lSs0uRF+mzvqLy1SI4LoXZkdhVdTAlqC2xskva19PH7C7b73PrHw1RRb8bGEvn3u Cc: "freebsd-questions@freebsd.org" Subject: Re: Segmentation fault in FreeBSD 9.0 flockfile () X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 May 2012 19:59:30 -0000 On 1 May 2012 14:08, Unga wrote: > Hi all > > I'm getting a=C2=A0 Segmentation fault in FreeBSD 9.0 as follows for mypr= og.c: > > > Reading symbols from /libexec/ld-elf.so.1...done. > Loaded symbols for /libexec/ld-elf.so.1 > #0=C2=A0 0x28ebb062 in flockfile () from /lib/libc.so.7 > [New Thread 29c04900 (LWP 100575/SDLTimer)] > [New Thread 29c04300 (LWP 100416/myprog)] > (gdb) > (gdb) info threads > * 2 Thread 29c04300 (LWP 100416/myprog)=C2=A0 0x28ebb062 in flockfile () > =C2=A0=C2=A0 from /lib/libc.so.7 > =C2=A0 1 Thread 29c04900 (LWP 100575/SDLTimer)=C2=A0 0x28e1527b in _umtx_= op () > =C2=A0=C2=A0 from /lib/libc.so.7 > (gdb) > > I use -lpthread. I doubt this is related, but using -lpthread is wrong. use -pthread (without the l). --=20 Eitan Adler