Fcalva/cyclone
1
0
Fork 0
mirror of https://github.com/justinethier/cyclone.git synced 2025-05-23 20:15:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Free empty heap pages

Browse source
This commit is contained in:
Justin Ethier 2016-07-06 22:21:31 -04:00
parent d362f15ede
commit 8a3ed8e1a0
1 changed files with 15 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
gc.c
View file

@ -224,7 +224,7 @@ gc_heap *gc_heap_free(gc_heap *page, gc_heap *prev_page)
{
// At least for now, do not free first page
if (prev_page == NULL || page == NULL) {
return NULL;
return page;
}
//#if GC_DEBUG_PRINTFS
fprintf(stderr, "DEBUG freeing heap page at addr: %p\n", page);
@ -237,9 +237,14 @@ gc_heap *gc_heap_free(gc_heap *page, gc_heap *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;
gc_free_list *f;
if (!h || !h->free_list) return 0;
f = h->free_list;
if (f->size != 0 || !f->next) return 0;
f = f->next;
return (f->size + gc_heap_align(gc_free_chunk_size)) == h->size;
}
/**
@ -776,12 +781,12 @@ size_t gc_sweep(gc_heap * h, int heap_type, size_t * sum_freed_ptr)
// TODO: with huge heaps, this becomes more important. one of the huge
// pages only has one object, so it is likely that the page
// will become free at some point and could be reclaimed.
// if (gc_is_heap_empty(h)){
// unsigned int h_size = h->size;
// gc_heap_free(h, prev_h);
// cached_heap_free_sizes[heap_type] -= h_size;
// cached_heap_total_sizes[heap_type] -= h_size;
// }
if (gc_is_heap_empty(h)){
unsigned int h_size = h->size;
h = gc_heap_free(h, prev_h);
cached_heap_free_sizes[heap_type] -= h_size;
cached_heap_total_sizes[heap_type] -= h_size;
}
sum_freed += heap_freed;
heap_freed = 0;
}