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random.c: ensure initialized

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* random.c (get_rnd, try_get_rnd): ensure initialized to get rid
  of crash in forked processes.  [ruby-core:82100] [Bug #13753]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-07-19 03:16:58 +00:00
parent 77f1277e1d
commit a14cb8ad5b
2 changed files with 6 additions and 2 deletions
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4
random.c
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@ -338,7 +338,7 @@ get_rnd(VALUE obj)
{
rb_random_t *ptr;
TypedData_Get_Struct(obj, rb_random_t, &random_data_type, ptr);
return ptr;
return rand_start(ptr);
}
static rb_random_t *
@ -348,7 +348,7 @@ try_get_rnd(VALUE obj)
return rand_start(&default_rand);
}
if (!rb_typeddata_is_kind_of(obj, &random_data_type)) return NULL;
return DATA_PTR(obj);
return rand_start(DATA_PTR(obj));
}
/* :nodoc: */

4
test/ruby/test_rand.rb
View file

@ -464,6 +464,10 @@ END
assert_fork_status(1, bug5661) {stable.rand(4)}
r1, r2 = *assert_fork_status(2, bug5661) {stable.rand}
assert_equal(r1, r2, bug5661)
assert_fork_status(1, '[ruby-core:82100] [Bug #13753]') do
Random::DEFAULT.rand(4)
end
rescue NotImplementedError
end