doc/debug_memleak_gc.patch

   1 diff -rbud gc6.5/include/gc.h gc6.5.patched/include/gc.h
   2 --- gc6.5/include/gc.h  Sat May 21 05:50:58 2005
   3 +++ gc6.5.patched/include/gc.h  Sat Jun 25 00:11:18 2005
   4 @@ -779,6 +779,11 @@
   5  GC_API GC_PTR GC_call_with_alloc_lock
   6                 GC_PROTO((GC_fn_type fn, GC_PTR client_data));
   7
   8 +GC_API GC_warn_proc GC_set_warn_proc GC_PROTO((GC_warn_proc p));
   9 +
  10 +/* Sets the leak handler to be called when an object is leaked. */
  11 +GC_API void GC_set_leak_handler(void (*lh)(void*, int));
  12 +
  13  /* The following routines are primarily intended for use with a        */
  14  /* preprocessor which inserts calls to check C pointer arithmetic.     */
  15  /* They indicate failure by invoking the corresponding _print_proc.    */
  16 diff -rbud gc6.5/reclaim.c gc6.5.patched/reclaim.c
  17 --- gc6.5/reclaim.c     Tue Nov 23 06:58:18 2004
  18 +++ gc6.5.patched/reclaim.c     Sat Jun 25 00:52:18 2005
  19 @@ -36,6 +36,14 @@
  20
  21  GC_bool GC_have_errors = FALSE;
  22
  23 +static void (*leak_handler)(void*, int);
  24 +
  25 +void
  26 +GC_set_leak_handler(void (*lh)(void*, int))
  27 +{
  28 +    leak_handler = lh;
  29 +}
  30 +
  31  void GC_add_leaked(leaked)
  32  ptr_t leaked;
  33  {
  34 @@ -64,6 +72,12 @@
  35      if (GC_debugging_started) GC_print_all_smashed();
  36      for (i = 0; i < GC_n_leaked; ++i) {
  37         ptr_t p = GC_leaked[i];
  38 +        if (leak_handler)
  39 +        {
  40 +            leak_handler(GC_base(p), GC_size(GC_base(p)));
  41 +        }
  42 +        else
  43 +        {
  44         if (HDR(p) -> hb_obj_kind == PTRFREE) {
  45             GC_err_printf0("Leaked atomic object at ");
  46         } else {
  47 @@ -71,6 +85,7 @@
  48         }
  49         GC_print_heap_obj(p);
  50         GC_err_printf0("\n");
  51 +        }
  52         GC_free(p);
  53         GC_leaked[i] = 0;
  54      }