Alexandre Julliard : ntdll: Use the map_view() function to allocate TEBs, now that it supports an arbitrary granularity.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: bb63a325d727339c7afc1d4fb8c7556ebe875117
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=bb63a325d727339c7afc1d4fb8c7556ebe875117

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Thu Jul 13 20:38:31 2006 +0200

ntdll: Use the map_view() function to allocate TEBs, now that it supports an arbitrary granularity.

---

 dlls/ntdll/virtual.c |   24 +++---------------------
 1 files changed, 3 insertions(+), 21 deletions(-)

diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c
index e00acfb..cd0beab 100644
--- a/dlls/ntdll/virtual.c
+++ b/dlls/ntdll/virtual.c
@@ -1156,11 +1156,9 @@ #endif  /* page_mask */
  */
 NTSTATUS VIRTUAL_alloc_teb( void **ret, size_t size, BOOL first )
 {
-    void *ptr;
     NTSTATUS status;
     struct file_view *view;
     size_t align_size;
-    BYTE vprot = VPROT_READ | VPROT_WRITE | VPROT_COMMITTED;
 
     if (first) virtual_init();
 
@@ -1169,31 +1167,15 @@ NTSTATUS VIRTUAL_alloc_teb( void **ret, 
     align_size = page_size;
     while (align_size < size) align_size *= 2;
 
-    for (;;)
-    {
-        if ((ptr = wine_anon_mmap( NULL, 2 * align_size, VIRTUAL_GetUnixProt(vprot), 0 )) == (void *)-1)
-        {
-            if (errno == ENOMEM) return STATUS_NO_MEMORY;
-            return STATUS_INVALID_PARAMETER;
-        }
-        if (!is_beyond_limit( ptr, 2 * align_size, user_space_limit ))
-        {
-            ptr = unmap_extra_space( ptr, 2 * align_size, align_size, align_size - 1 );
-            break;
-        }
-        /* if we got something beyond the user limit, unmap it and retry */
-        add_reserved_area( ptr, 2 * align_size );
-    }
-
     if (!first) RtlEnterCriticalSection( &csVirtual );
 
-    status = create_view( &view, ptr, size, vprot );
+    status = map_view( &view, NULL, align_size, align_size - 1,
+                       VPROT_READ | VPROT_WRITE | VPROT_COMMITTED );
     if (status == STATUS_SUCCESS)
     {
         view->flags |= VFLAG_VALLOC;
-        *ret = ptr;
+        *ret = view->base;
     }
-    else unmap_area( ptr, size );
 
     if (!first) RtlLeaveCriticalSection( &csVirtual );