*** fork.cc.org	Wed Mar 15 09:29:36 2006
--- fork.cc	Wed Mar 15 23:34:36 2006
***************
*** 659,664 ****
--- 659,665 ----
  }
  
  /* Copy memory from one process to another. */
+ #define MEMDIVSIZE  4096
  
  bool
  child_copy (HANDLE hp, bool write, ...)
***************
*** 672,678 ****
      {
        char *low = va_arg (args, char *);
        char *high = va_arg (args, char *);
!       DWORD todo = wincap.chunksize () ?: high - low;
        char *here;
  
        for (here = low; here < high; here += todo)
--- 673,679 ----
      {
        char *low = va_arg (args, char *);
        char *high = va_arg (args, char *);
!       DWORD todo = wincap.chunksize () ? MEMDIVSIZE : high - low;
        char *here;
  
        for (here = low; here < high; here += todo)