Date: Tue, 5 Oct 2010 15:34:10 +0900 From: Daichi GOTO <daichi@ongs.co.jp> To: Garrett Cooper <gcooper@FreeBSD.org> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: fcntl always fails to delete lock file, and PID is always -6464 Message-ID: <20101005153410.598e4484.daichi@ongs.co.jp> In-Reply-To: <AANLkTi=w5ZAfRymSYbL6X37uyYX17J2dW8LHVcPXZ_%2Bb@mail.gmail.com> References: <20101004123725.65d09b9e.daichi@ongs.co.jp> <AANLkTinZg3n3wDUzQFPv_Gq1o2hswGL3%2B4o0brmTi0-h@mail.gmail.com> <20101004144927.36822f07.daichi@ongs.co.jp> <AANLkTimVcLVdULyAAJD-_TaC5OLj%2BaZVNa=%2BSaiN6PKv@mail.gmail.com> <20101005093826.17432b1e.daichi@ongs.co.jp> <AANLkTi=w5ZAfRymSYbL6X37uyYX17J2dW8LHVcPXZ_%2Bb@mail.gmail.com>
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Thanks nice test tool :) And at last I got it excepting one mystery! On Mon, 4 Oct 2010 20:17:08 -0700 Garrett Cooper <gcooper@FreeBSD.org> wrote: > Following through the same process on FreeBSD... > > Window 1: > $ ls -l /tmp/lockfile > ls: /tmp/lockfile: No such file or directory > $ ./test_fcntl > > Window 2: > > $ ls -l /tmp/lockfile > -rwsr-x--- 1 garrcoop wheel 0 Oct 4 20:14 /tmp/lockfile > $ ./test_fcntl > test_fcntl: fcntl: Resource temporarily unavailable Just my mystery is as follow: Windows 1: % ./test_fcntl My pid: 43490 Windows 2: % ls -l /tmp/lockfile -r-sr-x--- 1 daichi wheel 0 10月 5 15:02 /tmp/lockfile <--- is it weird, isn't it? % ./test_fcntl test_fcntl: open: Permission denied % Oops... What's wrong... /tmp is as follow: % mount | grep tmp /dev/ada0s1f on /tmp (ufs, local, noatime, soft-updates) % dumpfs /tmp | grep journal flags soft-updates+journal % And working scene: Windows 2: % chmod u+w /tmp/lockfile % ls -l /tmp/lockfile -rwsr-x--- 1 daichi wheel 0 10月 5 15:22 /tmp/lockfile % ./test_fcntl My pid: 43646 test_fcntl: fcntl[1]: Resource temporarily unavailable PID=43490 has the lock % -- Daichi GOTO CEO | ONGS Inc. 81-42-316-7945 | daichi@ongs.co.jp | http://www.ongs.co.jp LinkedIn: http://linkedin.com/in/daichigoto
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