From: corinna <corinna>
Date: Wed, 12 Jul 2006 20:15:00 +0000 (+0000)
Subject: 	* mmap.cc (mmap_record::alloc_page_map): Don't call VirtualProtect
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=e9e85a2a746cbfb8db0857daf7e549e1327d2ec7;p=pf3gnuchains%2Fpf3gnuchains3x.git

	* mmap.cc (mmap_record::alloc_page_map): Don't call VirtualProtect
	on maps created with MAP_NORESERVE.
---

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index a91fbf4306..0ff39df4d6 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,5 +1,10 @@
 2006-07-12  Corinna Vinschen  <corinna@vinschen.de>
 
+	* mmap.cc (mmap_record::alloc_page_map): Don't call VirtualProtect
+	on maps created with MAP_NORESERVE.
+
+2006-07-12  Corinna Vinschen  <corinna@vinschen.de>
+
 	* include/pthread.h: Define PTHREAD_PRIO_NONE, PTHREAD_PRIO_INHERIT and
 	PTHREAD_PRIO_PROTECT only if _POSIX_THREAD_PRIO_INHERIT is defined.
 
diff --git a/winsup/cygwin/mmap.cc b/winsup/cygwin/mmap.cc
index cee1a814f7..7ca176c88e 100644
--- a/winsup/cygwin/mmap.cc
+++ b/winsup/cygwin/mmap.cc
@@ -574,7 +574,7 @@ mmap_record::alloc_page_map ()
 
   DWORD start_protect = gen_create_protect ();
   DWORD real_protect = gen_protect ();
-  if (real_protect != start_protect
+  if (real_protect != start_protect && !noreserve ()
       && !VirtualProtect (get_address (), get_len (),
 			  real_protect, &start_protect))
     system_printf ("Warning: VirtualProtect (addr: %p, len: 0x%x, "