[newlib-cygwin] Cygwin: drop useless method fhandler_base::has_ongoing_io

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=f961a63ed670788074c688c0cdaab3b5146b6b61

commit f961a63ed670788074c688c0cdaab3b5146b6b61
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Sep 15 13:58:36 2021 +0200

    Cygwin: drop useless method fhandler_base::has_ongoing_io
    
    This was a remnant of the fhandler_base_overlapped class.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/fhandler.h | 1 -
 winsup/cygwin/select.cc  | 3 ---
 2 files changed, 4 deletions(-)

diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index 9580a698c..919655012 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -491,7 +491,6 @@ public:
   bool issymlink () {return pc.issymlink ();}
   bool __reg2 device_access_denied (int);
   int __reg3 fhaccess (int flags, bool);
-  virtual bool __reg1 has_ongoing_io ()  {return false;}
 
   fhandler_base (void *) {}
 
diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc
index fd2312298..a09d8a34d 100644
--- a/winsup/cygwin/select.cc
+++ b/winsup/cygwin/select.cc
@@ -591,9 +591,6 @@ pipe_data_available (int fd, fhandler_base *fh, HANDLE h, bool writing)
   FILE_PIPE_LOCAL_INFORMATION fpli = {0};
   NTSTATUS status;
 
-  if (fh->has_ongoing_io ())
-    return 0;
-
   status = NtQueryInformationFile (h, &iosb, &fpli, sizeof (fpli),
 				   FilePipeLocalInformation);
   if (!NT_SUCCESS (status))