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* [newlib-cygwin] Cygwin: unlink: allow fallback from POSIX to default method
@ 2019-02-06 20:31 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2019-02-06 20:31 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=9fa22dba558f5e3efd0bb719049491edcd7b5e0b
commit 9fa22dba558f5e3efd0bb719049491edcd7b5e0b
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Wed Feb 6 21:17:35 2019 +0100
Cygwin: unlink: allow fallback from POSIX to default method
Trying to delete in-use executables and DLLs using
FILE_DISPOSITION_POSIX_SEMANTICS returns STATUS_CANNOT_DELETE.
Fall back to the former method if that error occurs to allow
unlinking these files.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
winsup/cygwin/syscalls.cc | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 62b9638..593c2a4 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -733,7 +733,11 @@ unlink_nt (path_conv &pc)
if (pc.file_attributes () & FILE_ATTRIBUTE_READONLY)
NtSetAttributesFile (fh, pc.file_attributes ());
NtClose (fh);
- goto out;
+ /* Trying to delete in-use executables and DLLs using
+ FILE_DISPOSITION_POSIX_SEMANTICS returns STATUS_CANNOT_DELETE.
+ Fall back to the default method. */
+ if (status != STATUS_CANNOT_DELETE)
+ goto out;
}
/* If the R/O attribute is set, we have to open the file with
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