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From: Corinna Vinschen <corinna@sourceware.org>
To: cygwin-cvs@sourceware.org
Subject: [newlib-cygwin] Cygwin: POSIX msg queues: allocate section views top
 down
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https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=e0cdd462f18887c15e8af7861b7df6bc0f84c52d

commit e0cdd462f18887c15e8af7861b7df6bc0f84c52d
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Tue May 25 16:55:38 2021 +0200

    Cygwin: POSIX msg queues: allocate section views top down
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/fhandler_mqueue.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/fhandler_mqueue.cc b/winsup/cygwin/fhandler_mqueue.cc
index 9114d8f32..c450c0337 100644
--- a/winsup/cygwin/fhandler_mqueue.cc
+++ b/winsup/cygwin/fhandler_mqueue.cc
@@ -173,7 +173,7 @@ fhandler_mqueue::_mqinfo (SIZE_T filesize, mode_t mode, int flags,
 
   status = NtMapViewOfSection (mqinfo ()->mqi_sect, NtCurrentProcess (),
 			       &mptr, 0, filesize, NULL, &filesize,
-			       ViewShare, 0, PAGE_READWRITE);
+			       ViewShare, MEM_TOP_DOWN, PAGE_READWRITE);
   if (!NT_SUCCESS (status))
     goto err;
 
@@ -367,7 +367,7 @@ fhandler_mqueue::_dup (HANDLE parent, fhandler_mqueue *fhc)
 	__leave;
       status = NtMapViewOfSection (mqinfo ()->mqi_sect, NtCurrentProcess (),
 				   &mptr, 0, filesize, NULL, &filesize,
-				   ViewShare, 0, PAGE_READWRITE);
+				   ViewShare, MEM_TOP_DOWN, PAGE_READWRITE);
       if (!NT_SUCCESS (status))
 	api_fatal ("Mapping message queue failed in fork, status 0x%x\n",
 		   status);