* random.c (Init_Random): removed rb_Random_DEFAULT and register as

mark-object instead of global variable.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34978 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Mon Mar 12 07:04:11 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* random.c (Init_Random): removed rb_Random_DEFAULT and register as
+	  mark-object instead of global variable.
+
 Mon Mar 12 07:03:32 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* random.c (random_s_rand): ensure default PRNG is re-initialized

random.c

@@ -322,7 +322,6 @@ int_pair_to_real_inclusive(unsigned int a, unsigned int b)
 }
 
 VALUE rb_cRandom;
-static VALUE rb_Random_DEFAULT;
 #define id_minus '-'
 #define id_plus  '+'
 static ID id_rand, id_bytes;
@@ -1124,6 +1123,8 @@ rand_range(struct MT* mt, VALUE range)
     return v;
 }
 
+static VALUE rand_random(int argc, VALUE *argv, rb_random_t *rnd);
+
 /*
  * call-seq:
  *   prng.rand -> float
@@ -1156,7 +1157,12 @@ rand_range(struct MT* mt, VALUE range)
 static VALUE
 random_rand(int argc, VALUE *argv, VALUE obj)
 {
-    rb_random_t *rnd = get_rnd(obj);
+    return rand_random(argc, argv, get_rnd(obj));
+}
+
+static VALUE
+rand_random(int argc, VALUE *argv, rb_random_t *rnd)
+{
     VALUE vmax, v;
 
     if (argc == 0) {
@@ -1293,8 +1299,7 @@ rb_f_rand(int argc, VALUE *argv, VALUE obj)
 static VALUE
 random_s_rand(int argc, VALUE *argv, VALUE obj)
 {
-    rand_start(&default_rand);
-    return random_rand(argc, argv, rb_Random_DEFAULT);
+    return rand_random(argc, argv, rand_start(&default_rand));
 }
 
 static st_index_t hashseed;
@@ -1404,9 +1409,11 @@ Init_Random(void)
     rb_define_private_method(rb_cRandom, "left", random_left, 0);
     rb_define_method(rb_cRandom, "==", random_equal, 1);
 
-    rb_Random_DEFAULT = TypedData_Wrap_Struct(rb_cRandom, &random_data_type, &default_rand);
-    rb_global_variable(&rb_Random_DEFAULT);
-    rb_define_const(rb_cRandom, "DEFAULT", rb_Random_DEFAULT);
+    {
+	VALUE rand_default = TypedData_Wrap_Struct(rb_cRandom, &random_data_type, &default_rand);
+	rb_gc_register_mark_object(rand_default);
+	rb_define_const(rb_cRandom, "DEFAULT", rand_default);
+    }
 
     rb_define_singleton_method(rb_cRandom, "srand", rb_f_srand, -1);
     rb_define_singleton_method(rb_cRandom, "rand", random_s_rand, -1);