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Re: .#* lock files under X, for files I edit???
On Jul 15 09:49, Eric Blake wrote:
> Rather, it seems that the REAL problem is that cygwin1.dll cannot
> recognize attempts to create symlinks on the clearcase MVFS file system.
>
> $ df -T .
> Filesystem Type 1K-blocks Used Available Use% Mounted on
> M:/u_fabt_eblake
> unknown 1024000 512000 512000 50% /project/fabt
> $ volinfo .
> Device Type : 7
> Characteristics : 10
> Volume Name : <CCase>
> Serial Number : 36984713
> Max Filenamelength : 255
> Filesystemname : <MVFS>
> Flags : 3
> FILE_CASE_SENSITIVE_SEARCH : TRUE
> FILE_CASE_PRESERVED_NAMES : TRUE
> FILE_UNICODE_ON_DISK : FALSE
> FILE_PERSISTENT_ACLS : FALSE
> FILE_FILE_COMPRESSION : FALSE
> FILE_VOLUME_QUOTAS : FALSE
> FILE_SUPPORTS_SPARSE_FILES : FALSE
> FILE_SUPPORTS_REPARSE_POINTS: FALSE
> FILE_SUPPORTS_REMOTE_STORAGE: FALSE
> FILE_VOLUME_IS_COMPRESSED : FALSE
> FILE_SUPPORTS_OBJECT_IDS : FALSE
> FILE_SUPPORTS_ENCRYPTION : FALSE
> FILE_NAMED_STREAMS : FALSE
> FILE_READ_ONLY_VOLUME : FALSE
> FILE_SEQUENTIAL_WRITE_ONCE : FALSE
> FILE_SUPPORTS_TRANSACTIONS : FALSE
> $ touch foo
> $ ln -s foo bar
> $ readlink bar || echo $?
> 1
> $ cat bar
> !<symlink>~foo
> $ file bar
> bar: data
>
> Maybe we should be trying to change cygwin to cause
> symlink() to fail with a proper errno on MVFS, and then
> revisit the emacs side of the equation to see how emacs
> handles failure to create a symlink when errno is ENOSYS
> (or whatever errno cygwin uses). Or maybe it is just
> a matter of detecting that if the file system does not
> support DOS attributes (which are essential in creating
> new-style symlinks), that an old-style symlink must be
> created on that filesystem.
That's something we can do. I'll look into it.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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