зеркало из https://github.com/github/ruby.git
* gc.c (gc_mark_maybe): added. check `is_pointer_to_heap()' and
type is not T_ZOMBE. * gc.c: use `gc_mark_maybe()'. T_ZOMBIE objects should not be pushed to the mark stack. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41345 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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17be9e9719
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@ -1,3 +1,11 @@
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Mon Jun 17 11:50:29 2013 Koichi Sasada <ko1@atdot.net>
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* gc.c (gc_mark_maybe): added. check `is_pointer_to_heap()' and
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type is not T_ZOMBE.
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* gc.c: use `gc_mark_maybe()'. T_ZOMBIE objects should not be pushed
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to the mark stack.
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Mon Jun 17 07:56:24 2013 Tanaka Akira <akr@fsij.org>
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* bignum.c (bary_small_lshift): Renamed from bdigs_small_lshift.
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49
gc.c
49
gc.c
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@ -488,6 +488,10 @@ static void mark_tbl(rb_objspace_t *, st_table *);
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static void rest_sweep(rb_objspace_t *);
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static void gc_mark_stacked_objects(rb_objspace_t *);
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static void gc_mark(rb_objspace_t *objspace, VALUE ptr);
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static void gc_mark_maybe(rb_objspace_t *objspace, VALUE ptr);
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static void gc_mark_children(rb_objspace_t *objspace, VALUE ptr);
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static double getrusage_time(void);
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static inline void gc_prof_timer_start(rb_objspace_t *, int reason);
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static inline void gc_prof_timer_stop(rb_objspace_t *);
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@ -1008,9 +1012,6 @@ rb_objspace_data_type_name(VALUE obj)
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}
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}
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static void gc_mark(rb_objspace_t *objspace, VALUE ptr);
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static void gc_mark_children(rb_objspace_t *objspace, VALUE ptr);
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static inline int
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is_pointer_to_heap(rb_objspace_t *objspace, void *ptr)
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{
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@ -2693,10 +2694,7 @@ mark_locations_array(rb_objspace_t *objspace, register VALUE *x, register long n
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VALUE v;
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while (n--) {
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v = *x;
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(void)VALGRIND_MAKE_MEM_DEFINED(&v, sizeof(v));
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if (is_pointer_to_heap(objspace, (void *)v)) {
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gc_mark(objspace, v);
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}
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gc_mark_maybe(objspace, v);
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x++;
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}
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}
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@ -2914,12 +2912,20 @@ rb_mark_tbl(st_table *tbl)
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mark_tbl(&rb_objspace, tbl);
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}
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static void
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gc_mark_maybe(rb_objspace_t *objspace, VALUE obj)
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{
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(void)VALGRIND_MAKE_MEM_DEFINED(&obj, sizeof(obj));
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if (is_pointer_to_heap(objspace, (void *)obj) &&
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BUILTIN_TYPE(obj) != T_ZOMBIE) {
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gc_mark(objspace, obj);
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}
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}
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void
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rb_gc_mark_maybe(VALUE obj)
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{
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if (is_pointer_to_heap(&rb_objspace, (void *)obj)) {
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gc_mark(&rb_objspace, obj);
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}
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gc_mark_maybe(&rb_objspace, obj);
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}
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static int
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@ -2940,13 +2946,12 @@ gc_mark_ptr(rb_objspace_t *objspace, VALUE ptr)
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}
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static int
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markable_object_p(rb_objspace_t *objspace, VALUE ptr)
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markable_object_p(rb_objspace_t *objspace, VALUE obj)
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{
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register RVALUE *obj = RANY(ptr);
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if (rb_special_const_p(ptr)) return 0; /* special const not marked */
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if (obj->as.basic.flags == 0) return 0 ; /* free cell */
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if (rb_special_const_p(obj)) return 0; /* special const not marked */
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if (RBASIC(obj)->flags == 0) return 0; /* free cell */
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if (RGENGC_CHECK_MODE && BUILTIN_TYPE(obj) == T_ZOMBIE)
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rb_bug("markable_object_p: %p is T_ZOMBIE", (void *)obj);
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return 1;
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}
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@ -3253,15 +3258,9 @@ gc_mark_children(rb_objspace_t *objspace, VALUE ptr)
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goto again;
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default: /* unlisted NODE */
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if (is_pointer_to_heap(objspace, obj->as.node.u1.node)) {
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gc_mark(objspace, (VALUE)obj->as.node.u1.node);
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}
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if (is_pointer_to_heap(objspace, obj->as.node.u2.node)) {
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gc_mark(objspace, (VALUE)obj->as.node.u2.node);
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}
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if (is_pointer_to_heap(objspace, obj->as.node.u3.node)) {
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gc_mark(objspace, (VALUE)obj->as.node.u3.node);
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}
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gc_mark_maybe(objspace, (VALUE)obj->as.node.u1.node);
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gc_mark_maybe(objspace, (VALUE)obj->as.node.u2.node);
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gc_mark_maybe(objspace, (VALUE)obj->as.node.u3.node);
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}
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return; /* no need to mark class. */
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}
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