pike.git/ src/ gc.c

Branch: Tag:

2000-05-01

2000-05-01 16:54:04 by Fredrik Noring <noring@nocrew.org>

Fixed overflow in gc heuristics calculation.

Rev: src/gc.c:1.84

29:      #include "block_alloc.h"    - RCSID("$Id: gc.c,v 1.83 2000/04/28 05:40:59 hubbe Exp $"); + RCSID("$Id: gc.c,v 1.84 2000/05/01 16:54:04 noring Exp $");      /* Run garbage collect approximate every time we have    * 20 percent of all arrays, objects and programs is
1096:    tmp=(double)num_objects;    tmp=tmp * GC_CONST/100.0 * (objects_alloced+1.0) / (objects_freed+1.0);    -  if((int)tmp < alloc_threshold + num_allocs) -  { -  alloc_threshold=(int)tmp; -  }else{ -  alloc_threshold+=num_allocs; -  } +  if(alloc_threshold + num_allocs <= tmp) +  tmp = (double)(alloc_threshold + num_allocs);    -  if(alloc_threshold < MIN_ALLOC_THRESHOLD) -  alloc_threshold = MIN_ALLOC_THRESHOLD; -  if(alloc_threshold > MAX_ALLOC_THRESHOLD) -  alloc_threshold = MAX_ALLOC_THRESHOLD; +  if(tmp < MIN_ALLOC_THRESHOLD) +  tmp = (double)MIN_ALLOC_THRESHOLD; +  if(tmp > MAX_ALLOC_THRESHOLD) +  tmp = (double)MAX_ALLOC_THRESHOLD; +  +  alloc_threshold = (int)tmp; +     num_allocs=0;      #ifdef PIKE_DEBUG