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* gc.c: free_slots is changed Singly linked list. clear

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free_slots before sweep.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nari 2012-01-09 06:02:01 +00:00
parent a408b64c62
commit 2cf2416ea0
2 changed files with 12 additions and 15 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Jan 9 14:42:41 2012 Narihiro Nakamura <authornari@gmail.com>
* gc.c: free_slots is changed Singly linked list. clear
free_slots before sweep.
Mon Jan 9 07:46:17 2012 NARUSE, Yui <naruse@ruby-lang.org> Mon Jan 9 07:46:17 2012 NARUSE, Yui <naruse@ruby-lang.org>
* gc.c: i686-linux needs to define _XOPEN_SOURCE 600 for posix_memalign. * gc.c: i686-linux needs to define _XOPEN_SOURCE 600 for posix_memalign.

22
gc.c
View file

@ -320,7 +320,6 @@ struct heaps_slot {
struct heaps_slot *next; struct heaps_slot *next;
struct heaps_slot *prev; struct heaps_slot *prev;
struct heaps_slot *free_next; struct heaps_slot *free_next;
struct heaps_slot *free_prev;
}; };
struct sorted_heaps_slot { struct sorted_heaps_slot {
@ -1097,22 +1096,13 @@ static void
link_free_heap_slot(rb_objspace_t *objspace, struct heaps_slot *slot) link_free_heap_slot(rb_objspace_t *objspace, struct heaps_slot *slot)
{ {
slot->free_next = objspace->heap.free_slots; slot->free_next = objspace->heap.free_slots;
if (objspace->heap.free_slots) {
objspace->heap.free_slots->free_prev = slot;
}
objspace->heap.free_slots = slot; objspace->heap.free_slots = slot;
} }
static void static void
unlink_free_heap_slot(rb_objspace_t *objspace, struct heaps_slot *slot) unlink_free_heap_slot(rb_objspace_t *objspace, struct heaps_slot *slot)
{ {
if (slot->free_prev) objspace->heap.free_slots = slot->free_next;
slot->free_prev->free_next = slot->free_next;
if (slot->free_next)
slot->free_next->free_prev = slot->free_prev;
if (objspace->heap.free_slots == slot)
objspace->heap.free_slots = slot->free_next;
slot->free_prev = NULL;
slot->free_next = NULL; slot->free_next = NULL;
} }
@ -2209,13 +2199,14 @@ slot_sweep(rb_objspace_t *objspace, struct heaps_slot *sweep_slot)
} }
sweep_slot->limit = final_num; sweep_slot->limit = final_num;
unlink_heap_slot(objspace, sweep_slot); unlink_heap_slot(objspace, sweep_slot);
unlink_free_heap_slot(objspace, sweep_slot);
} }
else { else {
if (free_num > 0 && sweep_slot->free_next == NULL && if (free_num > 0) {
sweep_slot->free_prev == NULL) {
link_free_heap_slot(objspace, sweep_slot); link_free_heap_slot(objspace, sweep_slot);
} }
else if (sweep_slot->free_next != NULL) {
sweep_slot->free_next = NULL;
}
objspace->heap.free_num += free_num; objspace->heap.free_num += free_num;
} }
objspace->heap.final_num += final_num; objspace->heap.final_num += final_num;
@ -2254,6 +2245,7 @@ before_gc_sweep(rb_objspace_t *objspace)
} }
objspace->heap.sweep_slots = heaps; objspace->heap.sweep_slots = heaps;
objspace->heap.free_num = 0; objspace->heap.free_num = 0;
objspace->heap.free_slots = NULL;
/* sweep unlinked method entries */ /* sweep unlinked method entries */
if (GET_VM()->unlinked_method_entry_list) { if (GET_VM()->unlinked_method_entry_list) {
@ -2395,7 +2387,7 @@ rb_gc_force_recycle(VALUE p)
else { else {
GC_PROF_DEC_LIVE_NUM; GC_PROF_DEC_LIVE_NUM;
slot = add_slot_local_freelist(objspace, (RVALUE *)p); slot = add_slot_local_freelist(objspace, (RVALUE *)p);
if (slot->free_next == NULL && slot->free_prev == NULL) { if (slot->free_next == NULL) {
link_free_heap_slot(objspace, slot); link_free_heap_slot(objspace, slot);
} }
} }