Mail Archives: cygwin/2006/06/25/01:55:47
Benjamin D wrote:
> Hi!
>
> I've been using cygwin for a long time on my notebooks and desktops. I
> recently got a Core Duo for work. Most things seem to work fine, but
> lockfie didn't. I got the helpful error message:
> lockfile foo
> lockfile: Try praying, giving up on "foo"
>
> So, I downloaded the source and traced where the error was occuring.
> It's happening at a call to link(2):
>
> #include <unistd.h>
>
> int link(const char *oldpath, const char *newpath);
>
> Which is returning errno:
> ENOENT A directory component in oldpath or newpath does not exist or is
> a dangling symbolic link.
>
> lockfile creates a temporary file, then links that to the file you
> specify on the command line. When I was tracing through, I could see
> that the temporary file was created. That suggests to me that the path
> and permissions are OK. It just can't link. I ran it through strace, and
> see:
>
> 51 77145 [main] lockfile 4080 fhandler_base::set_flags: O_TEXT/O_BINARY set in flags 0x10000
> 50 77195 [main] lockfile 4080 fhandler_base::set_flags: filemode set to binary
> 49 77244 [main] lockfile 4080 fhandler_base::open: 0 = NtCreateFile (0x6B4, 20100, C:\cygwin\tmp\_w_.CsgnEB.bdodge-lt, io, NULL, 0, 7, 1, 4400, NULL, 0)
> 53 77297 [main] lockfile 4080 fhandler_base::open: 1 = fhandler_base::open (C:\cygwin\tmp\_w_.CsgnEB.bdodge-lt, 0x110000)
> 51 77348 [main] lockfile 4080 fhandler_base::open_fs: 1 = fhandler_disk_file::open (C:\cygwin\tmp\_w_.CsgnEB.bdodge-lt, 0x10000)
> 5656 83004 [main] lockfile 4080 fhandler_disk_file::link: CreateHardLinkA failed
> 85 83089 [main] lockfile 4080 seterrno_from_win_error: /netrel/src/cygwin-1.5.19-4/winsup/cygwin/fhandler_disk_file.cc:786 windows error 3
> 57 83146 [main] lockfile 4080 geterrno_from_win_error: windows error 3 == errno 2
> 50 83196 [main] lockfile 4080 __set_errno: void seterrno_from_win_error(const char*, int, DWORD):310 val 2
> 51 83247 [main] lockfile 4080 fhandler_base::close: closing '/tmp/_w_.CsgnEB.bdodge-lt' handle 0x6B4
> 75 83322 [main] lockfile 4080 link: -1 = link (_w_.CsgnEB.bdodge-lt, foo)
> 50 83372 [main] lockfile 4080 lstat64: entering
> 49 83421 [main] lockfile 4080 normalize_posix_path: src _w_.CsgnEB.bdodge-lt
> 48 83469 [main] lockfile 4080 cwdstuff::get: posix /tmp
>
>
> So, I tried just linking a file:
>
> $ ls -il foo bar; touch foo && link foo bar && ls -il foo bar
> ls: foo: No such file or directory
> ls: bar: No such file or directory
> 2251799813741751 -rw------- 2 bdodge mkgroup-l-d 0 Jun 24 20:56 bar
> 2251799813741751 -rw------- 2 bdodge mkgroup-l-d 0 Jun 24 20:56 foo
>
> Works fine, so I try seeing what happens with strace:
>
> $ ls -il foo bar; touch foo && strace link foo bar > strace.out 2>&1 && ls -il foo bar
> ls: foo: No such file or directory
> ls: bar: No such file or directory
> ls: bar: No such file or directory
> 2814749767163063 -rw------- 1 bdodge mkgroup-l-d 0 Jun 24 20:58 foo
>
> It doesn't work when run under strace. strace.out is below.
>
> Any suggestions on how to make link work reliably on this system? I've
> tried using the revs of lockfile(procmail) & cygwin from my old laptop
> and the latest install.
Any chance the source of this problem is related to this:
<http://cygwin.com/ml/cygwin/2006-06/msg00186.html>
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