# \[Bug:trunk\] rubyspec: ObjectSpace.define\_finalizer doesn't call self-referencing finalizers FAILED

**URL:** <https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247>\
**Category:** Development\
**Created:** [February 10, 2010, 4:31pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247 "2010-02-10T16:31:40Z")\
**Posts on this page:** 9\
**Page:** 1

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 10, 2010, 4:31pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/1 "2010-02-10T16:31:40Z")

</div>

e$B$J$+$@$5$s$+$^$D$b$H$5$se(B  
e$B1sF#$G$9!#e(B

e$B0J2\<$N$h$&$K$9$k$He(B T\_ZOMBIE  
e$B$,8+$($F$7$^$&$N$O%P%0$G$7$g$&$+!#e(B

$ ./ruby -ve ’  
obj = “test”  
ObjectSpace.define\_finalizer(obj, proc { begin; p obj; ensure; p $!;  
end })  
’  
ruby 1.9.2dev (2010-02-10 trunk 26632) [i686-linux]  
#\<NotImplementedError: method `inspect’ called on unexpected  
T\_ZOMBIE object (0x8248df0 flags=0x3e klass=0x0)\>

[ruby-core:23918] e$B$G!“e(Bobj e$B$X$Ne(B reference  
e$B$,$”$k$+$i$3$l$O2s\<}e(B  
e$B$5$l$J$$$h$&$J$3$H$,=q$+$l$F$$$^$9$,!"7k6I2s\<}$5$l$k$h$&$Ke(B  
e$B$J$C$F$$$k$h$&$G$9!#e(B

[ruby-core:24095] e$B$G%P%0$H$7$FEPO?$5$l$F$$$^$9$,!"$I$C$A$,e(B  
e$B@5$7$$$N$+$h$/$o$+$j$^$;$s!#e(B  
rubyspec e$B$K2s\<}$5$l$J$$$3$H$r3NG’$9$ke(B spec  
e$B$,F~$C$F$$$F!"\<:GTe(B  
e$B$7$F$$$^$9!#e(B

e$B2s\<}$5$l$k$N$,@52r$@$H$7$?$i!“Nc30%a%C%;!\<%8$+$ie(B unexpected  
e$B$Oe(B  
e$B\>C$9$Y$-$@$H;W$$$^$9!#e(B  
e$B8+$($J$$$N$,@52r$@$H$7$?$i!”%P%0$J$s$G$7$g$&!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 11, 2010, 11:09am UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/2 "2010-02-11T11:09:07Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B2e$B7ne(B11e$BF|e(B0:29 Yusuke ENDOH [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> e$B0J2\<$N$h$&$K$9$k$He(B T\_ZOMBIE e$B$,8+$($F$7$^$&$N$O%P%0$G$7$g$&$+!#e(B
> 
> $ ./ruby -ve ’  
> obj = “test”  
> ObjectSpace.define\_finalizer(obj, proc { begin; p obj; ensure; p $!; end })  
> ’  
> ruby 1.9.2dev (2010-02-10 trunk 26632) [i686-linux]  
> #\<NotImplementedError: method `inspect’ called on unexpected  
> T\_ZOMBIE object (0x8248df0 flags=0x3e klass=0x0)\>

e$B!Ve(BT\_ZOMBIE  
e$B$,8+$($?$i%P%0!W$H$$$&$J$+$@$5$s$H$5$5$@$5$s$NG’Dj$re(B  
e$BD:$-$^$7$?!#e(BGC  
e$B$K6=L#$J$$$N$G\<+?.$O$J$$$G$9$,!"0l1~D4$Y$^$7$?!#e(B

ruby e$B=_N;;~$K\<B9T$5$l$=$&$Je(B rb\_objspace\_call\_finalizer  
e$B$NCf$G!"e(B  
/_ run finalizers \*/ e$B$H$$$&2U=j$,$“$j!“e(Bchain\_finalized\_object  
e$B$7$F$+$ie(B run\_final e$B$r$9$k!”$H$$$&$h$&$J%3!\<%I$,$”$j$^$9!#e(B

chain\_finalized\_object e$B$NCf$G$Oe(B FL\_FINALIZE  
e$B$J%_%V%8%'%/%H$OL5e(B  
e$B\>r7o$Ke(B T\_ZOMBIE e$B$K$5$l!"e(Bdfree e$B$,e(B 0  
e$B$K$5$l$^$9!#$=$7$Fe(B run\_final  
e$B$NCf$G$Oe(B T\_ZOMBIE e$B$K$J$C$?%_%V%8%'%/%H$Ne(B finalizer  
e$B$r8F$s$G$7$^e(B  
e$B$&$h$&$G$9!#e(B(e$B4V0c$C$F$?$i$9$\_$^$;$se(B)

e$BLdBjE@e(B (e$B5?LdE@e(B) e$B$Oe(B 2 e$B$D$"$j$^$9!#e(B

1. dfree e$B$,e(B 0 e$B$K$5$l$F$7$^$C$?$i!"e(Bfree  
e$B$,8F$Y$J$/$J$k5$$,$9$ke(B  
e$B$1$l$I$$$$$N$+!)e(B (e$B$I$&$;=\*N;D\>A0$@$+$i$$$$!)e(B MVM  
e$B$K$J$C$?$ie(B  
e$B:$$k$+$be(B)

2. e$BBP\>]%_%V%8%'%/%H$,6/@)E_$Ke(B T\_ZOMBIE e$B$K$J$C$F$+$ie(B  
finalizer  
e$B$,8F$P$l$k$N$GEvA3e(B T\_ZOMBIE e$B$J%\*%V%8%'%/%H$,e(B finalizer  
e$B$+$ie(B  
e$B8+$($k$1$l$I!"$I$&$9$k$N$,@5$7$$!)e(B

GC e$B$K6=L#$N$"$k?M$K9M$($F$[$7$$$G$9!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 12, 2010, 2:39pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/3 "2010-02-12T14:39:13Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B2e$B7ne(B11e$BF|e(B19:08 Yusuke ENDOH [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> > e$B0J2\<$N$h$&$K$9$k$He(B T\_ZOMBIE e$B$,8+$($F$7$^$&$N$O%P%0$G$7$g$&$+!#e(B  
> > _snip_  
> > GC e$B$K6=L#$N$"$k?M$K9M$($F$[$7$$$G$9!#e(B

e$B4|BT$7$F$$$?e(B wanabe  
e$B$5$s$K!V8+$J$$@k8@!W$r$5$l$F$7$^$C$?$N$G!"e(B  
e$B\<+J,$G$$$$2C8:$K9M$($F$\_$^$7$?!#e(B

r18398 e$B$Ge(B runs finalizers with the object terminated. e$B$H$$$&e(B  
e$BJQ99$,F~$C$F$$$?$N$G!"$3$l$re(B revert e$B$9$k$h$&$J46$8$G%Q%C%A$re(B  
e$B=q$$$F$\_$^$7$?!#e(BT\_ZOMBIE e$B$O8+$($J$/$J$C$?$h$&$G$9!#e(B

$ ./ruby -e ’  
obj = “test”  
ObjectSpace.define\_finalizer(obj, proc { begin; p obj; ensure; p $!;  
end })  
’

e$B$^$?!"e(Bmake check e$B$G$be(B objectspace e$B$N%(%i!\<$,e(B 1  
e$B$DA}$($k$@$1$Ne(B  
e$B$h$&$G$9!#e(B

e$B$1$l$I!"0J2\<$Ne(B 2 e$B$D$N$h$/$o$+$i$J$$5sF0$KG:$^$5$l$F$$$^$9!#e(B

1. e$BBP\>]%\*%V%8%'%/%H$r%H%C%W%l%Y%k$N%m!\<%+%kJQ?t$KBeF~$9$k$He(B  
e$B%U%!%$%J%i%$%6$,\<B9T$5$l$J$$e(B

# e$B2s\<}$5$l$J$$e(B

$ ./ruby -e ’  
def foo; proc { p :foo }; end  
s = “foo”  
ObjectSpace.define\_finalizer(s, foo)  
’

# e$B%m!\<%+%kJQ?t$KF~$l$J$1$l$P2s\<}$5$l$ke(B

$ ./ruby -e ’  
def foo; proc { p :foo }; end  
ObjectSpace.define\_finalizer(“foo”, foo)  
’  
:foo

# e$B%H%C%W%l%Y%k$G$J$1$l$P2s\<}$5$l$ke(B

$ ./ruby -e ’  
class C  
def self.foo; proc { p :foo }; end  
s = “foo”  
ObjectSpace.define\_finalizer(“foo”, foo)  
end  
’

e$B%U%!%$%J%i%$%6$Ne(B proc e$B$+$i%H%C%W%l%Y%k$N%m!\<%+%kJQ?t$,$J$\<$+e(B  
e$B%^!\<%/$5$l$k$s$G$7$g$&$+!#e(B  
test/ruby/test\_objectspace.rb e$B$,$3$N5sF0$K0MB8$7$F\<:GT$9$ke(B  
e$B$h$&$G$9!#e(B

1. Enumerator#next e$B$r;H$&$H2s\<}$5$l$J$$e(B

# e$B2s\<}$5$l$J$$e(B

$ ./ruby -e ’  
module M  
def self.callback  
proc { p “finalized” }  
end  
def self.run  
@enum = 1.enum\_for(:upto, 3)  
@enum.next  
ObjectSpace.define\_finalizer(“foo”, callback)  
end  
end  
M.run  
’

# next e$B$r;H$o$J$1$l$P2s\<}$5$l$ke(B

$ ./ruby -e ’  
module M  
def self.callback  
proc { p “finalized” }  
end  
def self.run  
@enum = 1.enum\_for(:upto, 3)  
#@enum.next  
ObjectSpace.define\_finalizer(“foo”, callback)  
end  
end  
M.run  
’  
“finalized”

# Enumerator e$B$r%$%s%9%?%s%9JQ?t$KF~$l$J$1$l$P2s\<}$5$l$ke(B

$ ./ruby -e ’  
module M  
def self.callback  
proc { p “finalized” }  
end  
def self.run  
enum = 1.enum\_for(:upto, 3)  
enum.next  
ObjectSpace.define\_finalizer(“foo”, callback)  
end  
end  
M.run  
’  
“finalized”

e$B$\*$=$i$/e(B Fiber  
e$B$N%^%7%s%9%?%C%/$NCf$K;2\>H$,$“$k$N$G$O$J$$$+$He(B  
e$B;W$$$^$9$,!”$I$&BP=h$7$?$b$N$+$o$+$j$^$;$s!#e(B  
rubyspec e$B$,$3$N5sF0$K0MB8$7$F\<:GT$7$^$9e(B (Enumerator e$B$Ne(B spec  
e$B$He(B  
e$B$"$o$;$F\<B9T$7$?$H$-$@$1\<:GT$9$ke(B) e$B!#e(B

e$B$b$&\>/$79M$($F$_$^$9$,!"$=$l$G$be(B T\_ZOMBIE  
e$B$,8+$($k$h$j$O$$$$$He(B  
e$B;W$&$N$G!“H?BP$,$J$1$l$P$H$j$”$($:%3%_%C%H$7$h$&$H;W$$$^$9!#e(B

diff --git a/gc.c b/gc.c  
index 4cfc23c…32b7436 100644  
— a/gc.c  
+++ b/gc.c  
@@ -2652,7 +2652,7 @@ static int  
chain\_finalized\_object(st\_data\_t key, st\_data\_t val, st\_data\_t arg)  
{  
RVALUE \*p = (RVALUE \*)key, \*\*final\_list = (RVALUE \*\*)arg;

- if (p-\>as.basic.flags & FL\_FINALIZE) {

- if ((p-\>as.basic.flags & (FL\_FINALIZE|FL\_MARK)) == FL\_FINALIZE) {  
if (BUILTIN\_TYPE(p) != T\_ZOMBIE) {  
p-\>as.free.flags = FL\_MARK | T\_ZOMBIE; /\* remain marked \*/  
RDATA(p)-\>dfree = 0;  
@@ -2661,9 +2661,7 @@ chain\_finalized\_object(st\_data\_t key, st\_data\_t  
val, st\_data\_t arg)  
\*final\_list = p;  
return ST\_CONTINUE;  
}

- else {
- return ST\_DELETE;
- }

- return ST\_DELETE;  
}

void  
@@ -2681,15 +2679,16 @@ rb\_objspace\_call\_finalizer(rb\_objspace\_t  
\*objspace)

```
 /* run finalizers */
 if (finalizer_table) {

```

- finalize\_deferred(objspace);
- while (finalizer\_table-\>num\_entries \> 0) {

- do {
- 

```
 finalize_deferred(objspace);

```

- 

```
 mark_tbl(objspace, finalizer_table, 0);
 st_foreach(finalizer_table, chain_finalized_object,

```

- 

```
      (st_data_t)&final_list);

```

- 

```
 if (!(p = final_list)) break;

```

- 

```
 do {

```

- final\_list = p-\>as.free.next;
- run\_final(objspace, (VALUE)p);
- 

```
 } while ((p = final_list) != 0);

```

- 

```
      (st_data_t)&deferred_final_list);

```

- } while (deferred\_final\_list);
- if (finalizer\_table-\>num\_entries) {
- 

```
 rb_warning("%d finalizer%s left not-invoked due to 

```

self-reference",

- 

```
      finalizer_table->num_entries,

```

- 

```
      finalizer_table->num_entries > 1 ? "s" : "");

```

}  
st\_free\_table(finalizer\_table);  
finalizer\_table = 0;

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 13, 2010, 2:44am UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/4 "2010-02-13T02:44:09Z")

</div>

2010e$BG/e(B2e$B7ne(B13e$BF|e(B10:31 Yusuke ENDOH [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> e$B$3$l\<+BN$O$R$g$C$H$7$?$i%P%0$J$N$+$b$7$l$^$;$s$,!"0lHLE\*$K8@$C$F!“e(B  
> conservative GC e$B$@$H%U%!%$%J%i%$%6$,M=4|$;$:%\*%V%8%'%/%H\<+BN$K;2\>H$re(B  
> e$B;}$C$F$7$^$&2DG=@-$,$”$k$N$G!“e(Bself-referencial e$B$J%U%!%$%J%i%$%6$re(B  
> e$B\<B9T$7$J$$$H$$$&J}?K$@$H!”%U%!%$%J%i%$%6$,IT2D2r$K\<B9T$5$l$J$$;vBV$Ne(B  
> e$BH/@8$rHr$1$i$l$J$$$H$$$&7kO@$K;j$j$^$7$?!#e(B

e$B$=$&$$$($P!“e(B1.8 e$B$Ne(B tempfile.rb  
e$B$O!”%U%!%$%J%i%$%6$H$7$Fe(B  
Proc e$B$8$c$J$/$FIaDL$N%\*%V%8%'%/%H$r;H$&$h$&$K$7$F!“e(B  
e$BJQ$J;2\>H$r;}$?$J$$$h$&$K$7$F$”$k$s$G$9$,!“e(B  
e$B$=$&$9$k$N$O4X78$”$j$^$9$+$M!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 13, 2010, 2:32am UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/5 "2010-02-13T02:32:27Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B2e$B7ne(B12e$BF|e(B22:32 Yusuke ENDOH [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> 2010e$BG/e(B2e$B7ne(B11e$BF|e(B19:08 Yusuke ENDOH [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):
> 
> > > e$B0J2\<$N$h$&$K$9$k$He(B T\_ZOMBIE e$B$,8+$($F$7$^$&$N$O%P%0$G$7$g$&$+!#e(B  
> > > _snip_  
> > > e$B$b$&\>/$79M$($F$_$^$9$,!"$=$l$G$be(B T\_ZOMBIE e$B$,8+$($k$h$j$O$$$$$He(B  
> > > e$B;W$&$N$G!“H?BP$,$J$1$l$P$H$j$”$($:%3%_%C%H$7$h$&$H;W$$$^$9!#e(B

e$BC/$K$bAj\<j$K$5$l$:\<d$7$$8B$j$G$9$,!"B3Js$G$9!#e(B

e$B$3$N%Q%C%A$r$"$F$k$H!“e(BEnumerator#next e$B$He(B Tempfile  
e$B$rAH$\_9g$o$;$?;~$Ke(B  
Tempfile e$B$,\>C$5$l$J$/$J$j$^$7$?!#$3$l$OeJ@32$,$”$j$=$&$G$9!#e(B

require “tempfile”  
e = 1.enum\_for(:upto, 3)  
e.next  
t = Tempfile.new(“foo”)  
p t.path

e$B$3$l\<+BN$O$R$g$C$H$7$?$i%P%0$J$N$+$b$7$l$^$;$s$,!"0lHLE\*$K8@$C$F!“e(B  
conservative GC  
e$B$@$H%U%!%$%J%i%$%6$,M=4|$;$:%\*%V%8%'%/%H\<+BN$K;2\>H$re(B  
e$B;}$C$F$7$^$&2DG=@-$,$”$k$N$G!“e(Bself-referencial  
e$B$J%U%!%$%J%i%$%6$re(B  
e$B\<B9T$7$J$$$H$$$&J}?K$@$H!”%U%!%$%J%i%$%6$,IT2D2r$K\<B9T$5$l$J$$;vBV$Ne(B  
e$BH/@8$rHr$1$i$l$J$$$H$$$&7kO@$K;j$j$^$7$?!#e(B

e$B=_N;;~$K$O!"BP\>]%_%V%8%'%/%H$r2s\<}$9$kA0$KI,$:%U%!%$%J%i%$%6$rAv$i$;$ke(B  
e$B$H$$$&$N$O$I$&$G$7$g$&$+!#0l1~!"e(Bmake check e$B$He(B make  
test-rubyspec e$B$,e(B  
e$B40Av$9$k$3$H$O3N$+$a$F$$$^$9!#e(B

e$BH?BP$,$J$1$l$P%3%\_%C%H$7$F!"e(Brubyspec e$BB&$b=$@5$7$^$9!#e(B

diff --git a/gc.c b/gc.c  
index 4cfc23c…759b14e 100644  
— a/gc.c  
+++ b/gc.c  
@@ -2588,11 +2588,29 @@ run\_single\_final(VALUE arg)  
}

static void  
-run\_final(rb\_objspace\_t \*objspace, VALUE obj)  
+run\_finalizer(rb\_objspace\_t \*objspace, VALUE obj, VALUE objid, VALUE  
table)  
{  
long i;  
int status;

- VALUE args[3], table, objid;

- VALUE args[3];
- 
- args[1] = 0;
- args[2] = (VALUE)rb\_safe\_level();
- if (!args[1] && RARRAY\_LEN(table) \> 0) {
- 

```
   args[1] = rb_obj_freeze(rb_ary_new3(1, objid));

```

- }
- for (i=0; i\<RARRAY\_LEN(table); i++) {
- 

```
   VALUE final = RARRAY_PTR(table)[i];

```

- 

```
   args[0] = RARRAY_PTR(final)[1];

```

- 

```
   args[2] = FIX2INT(RARRAY_PTR(final)[0]);

```

- 

```
   rb_protect(run_single_final, (VALUE)args, &status);

```

- }  
+}
- 

+static void  
+run\_final(rb\_objspace\_t \*objspace, VALUE obj)  
+{

- VALUE table, objid;  
RUBY\_DATA\_FUNC free\_func = 0;

- args[1] = 0;
- args[2] = (VALUE)rb\_safe\_level();
- if (!args[1] && RARRAY\_LEN(table) \> 0) {
- 

```
 args[1] = rb_obj_freeze(rb_ary_new3(1, objid));

```

- }
- for (i=0; i\<RARRAY\_LEN(table); i++) {
- 

```
 VALUE final = RARRAY_PTR(table)[i];

```

- 

```
 args[0] = RARRAY_PTR(final)[1];

```

- 

```
 args[2] = FIX2INT(RARRAY_PTR(final)[0]);

```

- 

```
 rb_protect(run_single_final, (VALUE)args, &status);

```

- }

- run\_finalizer(objspace, obj, objid, table);  
}  
}

@@ -2652,18 +2660,33 @@ static int  
chain\_finalized\_object(st\_data\_t key, st\_data\_t val, st\_data\_t arg)  
{  
RVALUE \*p = (RVALUE \*)key, \*\*final\_list = (RVALUE \*\*)arg;

- if (p-\>as.basic.flags & FL\_FINALIZE) {

- if ((p-\>as.basic.flags & (FL\_FINALIZE|FL\_MARK)) == FL\_FINALIZE) {  
if (BUILTIN\_TYPE(p) != T\_ZOMBIE) {  
p-\>as.free.flags = FL\_MARK | T\_ZOMBIE; /\* remain marked \*/  
RDATA(p)-\>dfree = 0;  
}  
p-\>as.free.next = \*final\_list;  
\*final\_list = p;

- return ST\_CONTINUE;
- }
- else {
- return ST\_DELETE;  
}

- return ST\_CONTINUE;  
+}
- 

+struct force\_finalize\_list {

- VALUE obj;
- VALUE table;
- struct force\_finalize\_list \*next;  
+};
- 

+static int  
+force\_chain\_object(st\_data\_t key, st\_data\_t val, st\_data\_t arg)  
+{

- struct force\_finalize\_list \*\*prev = (struct force\_finalize\_list  
\*\*)arg;
- struct force\_finalize\_list \*curr = ALLOC(struct  
force\_finalize\_list);
- curr-\>obj = key;
- curr-\>table = val;
- curr-\>next = \*prev;
- \*prev = curr;
- return ST\_DELETE;  
}

void  
@@ -2681,15 +2704,22 @@ rb\_objspace\_call\_finalizer(rb\_objspace\_t  
\*objspace)

```
 /* run finalizers */
 if (finalizer_table) {

```

- finalize\_deferred(objspace);
- while (finalizer\_table-\>num\_entries \> 0) {

- do {
- 

```
 finalize_deferred(objspace);

```

- 

```
 mark_tbl(objspace, finalizer_table, 0);
 st_foreach(finalizer_table, chain_finalized_object,

```

- 

```
      (st_data_t)&final_list);

```

- 

```
 if (!(p = final_list)) break;

```

- 

```
 do {

```

- final\_list = p-\>as.free.next;
- run\_final(objspace, (VALUE)p);
- 

```
 } while ((p = final_list) != 0);

```

- 

```
      (st_data_t)&deferred_final_list);

```

- } while (deferred\_final\_list);
- /\* force to run finalizer \*/
- while (finalizer\_table-\>num\_entries) {
- 

```
 struct force_finalize_list *list = 0;

```

- 

```
 st_foreach(finalizer_table, force_chain_object, 

```

(st\_data\_t)&list);

- 

```
 while (list) {

```

- struct force\_finalize\_list \*curr = list;
- run\_finalizer(objspace, curr-\>obj, rb\_obj\_id(curr-\>obj),  
curr-\>table);
- list = curr-\>next;
- xfree(curr);
- 

```
 }

```

}  
st\_free\_table(finalizer\_table);  
finalizer\_table = 0;

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 16, 2010, 3:27am UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/6 "2010-02-16T03:27:14Z")

</div>

> ruby 1.9.2dev (2010-02-10 trunk 26632) [i686-linux]  
> rubyspec e$B$K2s\<}$5$l$J$$$3$H$r3NG’$9$ke(B spec e$B$,F~$C$F$$$F!"\<:GTe(B  
> e$B$7$F$$$^$9!#e(B
> 
> e$B2s\<}$5$l$k$N$,@52r$@$H$7$?$i!“Nc30%a%C%;!\<%8$+$ie(B unexpected e$B$Oe(B  
> e$B\>C$9$Y$-$@$H;W$$$^$9!#e(B  
> e$B8+$($J$$$N$,@52r$@$H$7$?$i!”%P%0$J$s$G$7$g$&!#e(B

e$BK:$l$=$&$K$J$k$N$G!"e(BIRCe$B$N5DO@$rE\>5-e(B

1. objecte$B$Oe(Breferencee$B$,$"$k8B$j2s\<}$5$l$J$$e(B
2. finalizere$B$Oe(Bobjecte$B$,2s\<}$5$l$k;~$K8F$P$l$ke(B
3. e$B%W%m%;%9=\*N;;~$Oe(Bfinalizere$B$,@dBP8F$P$l$ke(B

e$B$Ne(B1,2e$B$He(B3e$B$,N\>N)IT2DG=$H$$$&;EMM%P%0$NOC$@$H;W$C$F$$$^$9!#%W%m%;%9=_N;;~$Ke(B  
e$B$^$@;2\>H$5$l$F$$$k%_%V%8%’%/%H$O2\<5-e(BA)e$B!"e(BB)e$B$I$A$i$G$b%k!\<%k0cH?e(B

A) e$B;2\>H$5$l$F$$$F$b6/@)E\*$K%U%!%$%J%i%$%6$r8F$Ve(B  
e$B!J8=\>u$3$A$i!#$+$D%U%!%$%J%i%$%68F$VD\>A0$K!Ke(B  
B)  
e$B%W%m%;%9=_N;;~$K$^$@;2\>H$5$l$F$$$k%_%V%8%’%/%H$O%U%!%$%J%i%$%68F$P$J$$e(B  
e$B!Je(B[ruby-dev:40410]e$B$N$h$&$Ke(Btempfilee$B$,\>C$($J$/$J$k!Ke(B

e$B$N$G!";EMML@3N2=$,I,MW$G$7$g$&!#e(B  
e$B$b$7D6$+$7$3$$%W%m%;%9=\*N;=hM}$r:n$l$P8=\>u$N;EMM$GLdBj$J$$$N$G$"$l$P!"e(B  
e$B%D%C%3%\_$O4?7^$7$^$9!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 13, 2010, 3:19am UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/7 "2010-02-13T03:19:17Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B2e$B7ne(B13e$BF|e(B10:40 Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> e$B$=$&$9$k$N$O4X78$“$j$^$9$+$M!#e(B  
> [ruby-dev:40409] e$B$N%Q%C%Ae(B + e$BC1=c$Ke(B Tempfile::Remover  
> e$B$rI|3h$5$;$F$\_$?e(B  
> e$B$@$1$G$O!”$d$C$Q$j\>C$($J$$$h$&$G$7$?!#$I$3$+$GITMW$Je(B mark  
> e$B$r$7$F$k$Ne(B  
> e$B$+$J$"!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 16, 2010, 12:40pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/8 "2010-02-16T12:40:55Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B2e$B7ne(B16e$BF|e(B11:25 KOSAKI Motohiro  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> e$BK:$l$=$&$K$J$k$N$G!"e(BIRCe$B$N5DO@$rE\>5-e(B
> 
> 1. objecte$B$Oe(Breferencee$B$,$"$k8B$j2s\<}$5$l$J$$e(B
> 2. finalizere$B$Oe(Bobjecte$B$,2s\<}$5$l$k;~$K8F$P$l$ke(B
> 3. e$B%W%m%;%9=\*N;;~$Oe(Bfinalizere$B$,@dBP8F$P$l$ke(B
> 
> e$B$Ne(B1,2e$B$He(B3e$B$,N\>N)IT2DG=$H$$$&;EMM%P%0$NOC$@$H;W$C$F$$$^$9!#e(B

e$B$O$$!#e(B

> e$B%W%m%;%9=_N;;~$Ke(B  
> e$B$^$@;2\>H$5$l$F$$$k%_%V%8%'%/%H$O2\<5-e(BA)e$B!"e(BB)e$B$I$A$i$G$b%k!\<%k0cH?e(B
> 
> A) e$B;2\>H$5$l$F$$$F$b6/@)E\*$K%U%!%$%J%i%$%6$r8F$Ve(B  
> e$B!J8=\>u$3$A$i!#$+$D%U%!%$%J%i%$%68F$VD\>A0$K!Ke(B  
> B) e$B%W%m%;%9=_N;;~$K$^$@;2\>H$5$l$F$$$k%_%V%8%'%/%H$O%U%!%$%J%i%$%68F$P$J$$e(B  
> e$B!Je(B[ruby-dev:40410]e$B$N$h$&$Ke(Btempfilee$B$,\>C$($J$/$J$k!Ke(B
> 
> e$B$N$G!";EMML@3N2=$,I,MW$G$7$g$&!#e(B

1. object e$B$Oe(B reference e$B$,$"$k8B$j2s\<}$5$l$J$$e(B
2. finalizer e$B$Oe(B object e$B$,2s\<}$5$l$k;~e(B  
\*e$B$^$?$O%W%m%;%9=_N;;~e(B_ e$B$K8F$P$l$ke(B

e$B$H$$$&;EMM$G$$$$$H;W$$$^$9!#Cj\>]E\*$K8@$&$J$i!"!V$=$l$h$j@h$Ke(B  
object e$B$Ke(B  
e$BBP$9$kA`:n$r9T$&5!2q$,$J$/$J$k;~E@!W$H$+$G$9$+$M!#!V$=$l$h$j@h!W$NDj5A$,e(B  
e$BHyL/$G$9$,!#e(B

e$B$=$N$h$&$K$9$k%Q%C%A$,e(B [ruby-dev:40410]  
e$B$G$9!#Bg$-$JH?BP$O$J$+$C$?$N$Ge(B  
e$B0lC6%3%\_%C%H$7$^$9!#LdBj$,5/$-$?$i8@$C$F$/$@$5$$!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [February 16, 2010, 1:37pm UTC](https://www.ruby-forum.com/t/bug-trunk-rubyspec-objectspace-define-finalizer-doesnt-call-self-referencing-finalizers-failed/183247/9 "2010-02-16T13:37:41Z")

</div>

e$B%A%1%C%He(B #2732 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)

e$B%9%F!\<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B  
e$B?JD=e(B % 0e$B$+$ie(B100e$B$KJQ99e(B

This issue was solved with changeset r26684.  
Yusuke, thank you for reporting this issue.  
Your contribution to Ruby is greatly appreciated.  
May Ruby be with you.

* * *

[http://redmine.ruby-lang.org/issues/show/2732](http://redmine.ruby-lang.org/issues/show/2732)