Fcalva/cyclone
1
0
Fork 0
mirror of https://github.com/justinethier/cyclone.git synced 2025-05-19 05:39:17 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

gc: prepare heap objects for sweeping

Browse source 
Also introduce a global variable to track whether merged
heaps need to be swept.

Partial work towards addressing issue #534.
This commit is contained in:
Yorick Hardy 2025-01-03 00:55:06 +02:00
parent cd4125bb97
commit 028f52c8ec
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
gc.c
View file

@ -55,6 +55,7 @@ static unsigned char gc_color_purple = 1; // There are many "shades" of pu
static int gc_status_col = STATUS_SYNC1;
static int gc_stage = STAGE_RESTING;
static int gc_threads_merged = 0;
// Does not need sync, only used by collector thread
static void **mark_stack = NULL;
@ -2745,13 +2746,17 @@ int gc_heap_merge(gc_heap * hdest, gc_heap * hsrc)
gc_heap *last = gc_heap_last(hdest);
gc_heap *cur = hsrc, *prev = last, *next;
last->next = hsrc;
// free any empty heaps
// free any empty heaps and convert remaining heaps
// to free list so that they can be swept
while (cur != NULL) {
cur->is_unswept = 1;
next = cur->next;
if (gc_is_heap_empty(cur)) {
freed += cur->size;
gc_heap_free(cur, prev);
} else {
gc_convert_heap_page_to_free_list(cur, primordial_thread);
ck_pr_cas_int(&gc_threads_merged, 0, 1);
prev = cur;
}
cur = next;