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Cleanup

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This commit is contained in:
Justin Ethier 2016-06-29 08:06:38 -04:00
parent 5a7be4f864
commit 93eff719a7
1 changed files with 16 additions and 21 deletions
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37
gc.c
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@ -234,6 +234,13 @@ gc_heap *gc_heap_free(gc_heap *page, gc_heap *prev_page)
return prev_page;
}
int gc_is_heap_empty(gc_heap *h)
{
// TODO: this function does not work yet!!
if (h == NULL || h->free_list == NULL) return 1;
return 0;
}
/**
* Print heap usage information.
* Before calling this function the current thread must have the heap lock
@ -256,12 +263,9 @@ void gc_print_stats(gc_heap * h)
if (f->size > free_max)
free_max = f->size;
}
//if (free == 0){
// // Page is completely unused
// free = h->size;
// free_chunks = 1;
// free_min = free_max = h->size;
//}
if (free == 0){ // No free chunks
free_min = 0;
}
heap_is_empty = gc_is_heap_empty(h);
fprintf(stderr,
"Heap page size=%u, is empty=%d, used=%u, free=%u, free chunks=%u, min=%u, max=%u\n",
@ -269,15 +273,6 @@ void gc_print_stats(gc_heap * h)
}
}
int gc_is_heap_empty(gc_heap *h)
{
return (h && (h->free_list == NULL) ||
(h->free_list->next &&
// TODO: think this case is busted, need to debug
h->free_list->next->next == NULL &&
h->free_list->next->size == h->size));
}
// Copy given object into given heap object
char *gc_copy_obj(object dest, char *obj, gc_thread_data * thd)
{
@ -661,9 +656,9 @@ size_t gc_sweep(gc_heap * h, int heap_type, size_t * sum_freed_ptr)
pthread_mutex_lock(&heap_lock);
// DEBUGGING:
fprintf(stderr, "\nBefore sweep -------------------------\n");
fprintf(stderr, "Heap %d diagnostics:\n", heap_type);
gc_print_stats(orig_heap_ptr);
//fprintf(stderr, "\nBefore sweep -------------------------\n");
//fprintf(stderr, "Heap %d diagnostics:\n", heap_type);
//gc_print_stats(orig_heap_ptr);
for (; h; prev_h = h, h = h->next) { // All heaps
#if GC_DEBUG_TRACE
@ -775,9 +770,9 @@ gc_print_stats(orig_heap_ptr);
}
// DEBUGGING:
fprintf(stderr, "\nAfter sweep -------------------------\n");
fprintf(stderr, "Heap %d diagnostics:\n", heap_type);
gc_print_stats(orig_heap_ptr);
//fprintf(stderr, "\nAfter sweep -------------------------\n");
//fprintf(stderr, "Heap %d diagnostics:\n", heap_type);
//gc_print_stats(orig_heap_ptr);
pthread_mutex_unlock(&heap_lock);
if (sum_freed_ptr)