Unexpected behaviour with missing DLL

Eric Blake ebb9@byu.net
Sat Apr 7 22:01:00 GMT 2007

Hash: SHA1

According to Max Bowsher on 4/7/2007 3:31 PM:
> I am seeing unexpected behaviour when a DLL is missing. OS is Windows XP.
> For example: rename /bin/cygneon-26.dll to something else.
> Now, try to run "svn" in a bash shell. The program silently dies, with
> exit code 53!
> In contrast, if you double click on svn.exe, the usual windows message
> box appears, explaining about the missing DLL, as expected
> Does anyone know what might be causing this?

Yes.  And this has come up on the lists before.  The short answer is that
it is unacceptable to pop up a modal dialog box when executing a
non-interactive shell script, so cygwin intentionally requests Windows to
not pop up the dialog.  At which point, all you are left with in the case
of a missing .dll dependency, is cygwin interpreting the Windows error
exit status, which turns out to be status 53.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9@byu.net
Version: GnuPG v1.4.5 (Cygwin)
Comment: Public key at home.comcast.net/~ericblake/eblake.gpg
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