From 9069cb91710d55735af5115681712ba4c2894276 Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Mon, 30 Aug 2021 21:56:33 +0200 Subject: [PATCH] Cygwin: dup: fix handle inheritence for disk file pread/pwrite handle The handle is created non-inheritable but gets inheritable when dup'ing the file descriptor. Fix that. Signed-off-by: Corinna Vinschen --- winsup/cygwin/fhandler_disk_file.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc index 6170427b0..33d885819 100644 --- a/winsup/cygwin/fhandler_disk_file.cc +++ b/winsup/cygwin/fhandler_disk_file.cc @@ -1444,7 +1444,7 @@ fhandler_disk_file::dup (fhandler_base *child, int flags) if (!ret && prw_handle && !DuplicateHandle (GetCurrentProcess (), prw_handle, GetCurrentProcess (), &fhc->prw_handle, - 0, TRUE, DUPLICATE_SAME_ACCESS)) + 0, FALSE, DUPLICATE_SAME_ACCESS)) fhc->prw_handle = NULL; return ret; }