[newlib-cygwin/main] Cygwin: log disabling posix semantics

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=87ab6c7b26bf3c925183d7e439985db070b03b39

commit 87ab6c7b26bf3c925183d7e439985db070b03b39
Author:     Yoshinao Muramatsu <ysno@ac.auone-net.jp>
AuthorDate: Mon Mar 20 20:51:02 2023 +0900
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Tue Mar 21 18:56:52 2023 +0100

    Cygwin: log disabling posix semantics
    
    Add log when workaround occurs
    
    Signed-off-by: Yoshinao Muramatsu <ysno@ac.auone-net.jp>

Diff:
---
 winsup/cygwin/syscalls.cc | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 4843502c6847..d5b44c37858c 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -737,7 +737,11 @@ unlink_nt (path_conv &pc, bool shareable)
          on a bind mounted fs in hyper-v container. Falling back too. */
       if (status != STATUS_CANNOT_DELETE
           && status != STATUS_INVALID_PARAMETER)
-	goto out;
+        {
+          debug_printf ("NtSetInformationFile returns %y "
+                        "with posix semantics. Disable it and retry.", status);
+          goto out;
+        }
     }
 
   /* If the R/O attribute is set, we have to open the file with
@@ -2670,6 +2674,8 @@ skip_pre_W10_checks:
              on a bind mounted file system in hyper-v container
              with FILE_RENAME_POSIX_SEMANTICS.
              Disable the use_posix semntics flag and retry. */
+          debug_printf ("NtSetInformationFile failed with posix semantics. "
+                        "Disable it and retry.");
           use_posix_semantics = 0;
           goto ignore_posix_semantics_retry;
         }