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thread.c: compare_by_id

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* thread.c (recursive_list_access): let symbol only hashes compare
  the elements by id.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44034 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-12-06 07:50:19 +00:00
parent 378d20f80d
commit c7572f2fe7
1 changed files with 12 additions and 2 deletions
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14
thread.c
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@ -4738,6 +4738,16 @@ rb_thread_shield_destroy(VALUE self)
/* variables for recursive traversals */
static ID recursive_key;
extern const struct st_hash_type st_hashtype_num;
static VALUE
ident_hash_new(void)
{
VALUE hash = rb_hash_new();
rb_hash_tbl_raw(hash)->type = &st_hashtype_num;
return hash;
}
/*
* Returns the current "recursive list" used to detect recursion.
* This list is a hash table, unique for the current thread and for
@ -4751,7 +4761,7 @@ recursive_list_access(void)
VALUE sym = ID2SYM(rb_frame_this_func());
VALUE list;
if (NIL_P(hash) || !RB_TYPE_P(hash, T_HASH)) {
hash = rb_hash_new();
hash = ident_hash_new();
rb_thread_local_aset(rb_thread_current(), recursive_key, hash);
list = Qnil;
}
@ -4759,7 +4769,7 @@ recursive_list_access(void)
list = rb_hash_aref(hash, sym);
}
if (NIL_P(list) || !RB_TYPE_P(list, T_HASH)) {
list = rb_hash_new();
list = ident_hash_new();
rb_hash_aset(hash, sym, list);
}
return list;