--- a/WebKitTools/DumpRenderTree/mac/CheckedMalloc.cpp Fri Sep 17 09:02:29 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
- * (C) 2007 Graham Dennis (graham.dennis@gmail.com)
- * (C) 2007 Eric Seidel <eric@webkit.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- * its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#import "config.h"
-#import "CheckedMalloc.h"
-
-#import <malloc/malloc.h>
-#import <sys/mman.h>
-
-static void* (*savedMalloc)(malloc_zone_t*, size_t);
-static void* (*savedRealloc)(malloc_zone_t*, void*, size_t);
-
-static void* checkedMalloc(malloc_zone_t* zone, size_t size)
-{
- if (size >= 0x10000000)
- return 0;
- return savedMalloc(zone, size);
-}
-
-static void* checkedRealloc(malloc_zone_t* zone, void* ptr, size_t size)
-{
- if (size >= 0x10000000)
- return 0;
- return savedRealloc(zone, ptr, size);
-}
-
-void makeLargeMallocFailSilently()
-{
- malloc_zone_t* zone = malloc_default_zone();
-
-#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
- vm_address_t pageStart = reinterpret_cast<vm_address_t>(zone) & static_cast<vm_size_t>(~(getpagesize() - 1));
- vm_size_t len = reinterpret_cast<vm_address_t>(zone) - pageStart + sizeof(malloc_zone_t);
- mprotect(reinterpret_cast<void*>(pageStart), len, PROT_READ | PROT_WRITE);
-#endif
-
- savedMalloc = zone->malloc;
- savedRealloc = zone->realloc;
- zone->malloc = checkedMalloc;
- zone->realloc = checkedRealloc;
-
-#if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
- mprotect(reinterpret_cast<void*>(pageStart), len, PROT_READ);
-#endif
-}