Libc-498.1.7.tar.gz

[apple/libc.git] / gen / scalable_malloc.h

diff --git a/gen/scalable_malloc.h b/gen/scalable_malloc.h
index 5f3841f82bad70fc175ba127e54305a62b330088..e6f4b0245a88d30c2b0be79e903b66acf4fe26b0 100644 (file)
--- a/gen/scalable_malloc.h
+++ b/gen/scalable_malloc.h
@@ -3,8 +3,6 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -23,7 +21,7 @@
  * @APPLE_LICENSE_HEADER_END@
  */
 
-#import <objc/malloc.h>
+#import <malloc/malloc.h>
 
 #define SCALABLE_MALLOC_ADD_GUARD_PAGES                (1 << 0)
     // add a guard page before and after each VM region to help debug
@@ -33,18 +31,17 @@
     // do not protect postlude page
 #define SCALABLE_MALLOC_DO_SCRIBBLE            (1 << 3)
     // write 0x55 onto free blocks
-
+#define SCALABLE_MALLOC_ABORT_ON_ERROR (1 << 4)
+    // call abort() on a malloc or free error, such as a double free
+       
 extern malloc_zone_t *create_scalable_zone(size_t initial_size, unsigned debug_flags);
     /* Create a new zone that scales for small objects or large objects */
 
 /***** Private API for debug and performance tools     ********/
 
-#define scalable_zone_info_count       9       // maximum number of numbers
-
-extern void scalable_zone_info(malloc_zone_t *zone, unsigned *info, unsigned count);
-    /* Fills info[] with some statistical information:
-    info[0]: number of objects in use
-    info[1]: number of bytes in use
-    ...
+extern boolean_t scalable_zone_statistics(malloc_zone_t *zone, malloc_statistics_t *stats, unsigned subzone);
+    /* Fills stats with some statistics;
+    1 is returned on success; else 0 is returned
+    Currently: subzone=0 => tiny; subzone=1 => small; subzone=2 => large; subzone=3 => huge; any other subzone => returns 0 
     */