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newlib-cygwin
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* ntdll.h (STATUS_LOCK_NOT_GRANTED): Define. 

* syscalls.cc (unlink_nt): Handle STATUS_LOCK_NOT_GRANTED same as
	STATUS_SHARING_VIOLATION.  Add lengthy comment to explain why.
This commit is contained in:
Corinna Vinschen 2009-04-16 12:16:35 +00:00
parent 8c3a79bb97
commit 03897d8dda
3 changed files with 18 additions and 1 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2009-04-16 Corinna Vinschen <corinna@vinschen.de>
* ntdll.h (STATUS_LOCK_NOT_GRANTED): Define.
* syscalls.cc (unlink_nt): Handle STATUS_LOCK_NOT_GRANTED same as
STATUS_SHARING_VIOLATION. Add lengthy comment to explain why.
2009-04-15 Corinna Vinschen <corinna@vinschen.de>
* path.cc (path_conv::get_wide_win32_path): Allow relative paths.

1
winsup/cygwin/ntdll.h
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@ -34,6 +34,7 @@
#define STATUS_EA_TOO_LARGE ((NTSTATUS) 0xc0000050)
#define STATUS_NONEXISTENT_EA_ENTRY ((NTSTATUS) 0xc0000051)
#define STATUS_NO_EAS_ON_FILE ((NTSTATUS) 0xc0000052)
#define STATUS_LOCK_NOT_GRANTED ((NTSTATUS) 0xc0000055)
#define STATUS_DELETE_PENDING ((NTSTATUS) 0xc0000056)
#define STATUS_DISK_FULL ((NTSTATUS) 0xc000007f)
#define STATUS_WORKING_SET_QUOTA ((NTSTATUS) 0xc00000a1)

12
winsup/cygwin/syscalls.cc
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@ -470,8 +470,18 @@ unlink_nt (path_conv &pc)
we can go straight to setting the delete disposition flag. */
bin_status bin_stat = dont_move;
status = NtOpenFile (&fh, access, &attr, &io, FILE_SHARE_DELETE, flags);
if (status == STATUS_SHARING_VIOLATION)
if (status == STATUS_SHARING_VIOLATION || status == STATUS_LOCK_NOT_GRANTED)
{
/* STATUS_LOCK_NOT_GRANTED can be generated under not quite clear
circumstances when trying to open a file on NFS with FILE_SHARE_DELETE
only. This has been observed with SFU 3.5 if the NFS share has been
mounted under a drive letter. It's not generated for all files, but
only for some. If it's generated once for a file, it will be
generated all the time. It looks like wrong file state information
is stored within the NFS client, for no apparent reason, which never
times out. Opening the file with FILE_SHARE_VALID_FLAGS will work,
though, and it is then possible to delete the file quite normally. */
/* Bin is only accessible locally. */
if (!pc.isremote ())
bin_stat = move_to_bin;