class Fiddle::Pinned

公共类方法

new(object) 点击以切换源代码

# File fiddle/lib/fiddle/ffi_backend.rb, line 557
def initialize(object)
  @object = object
end

Fiddle::Pinned.new(object) → pinned_object 点击以切换源代码

创建一个新的固定对象引用。Fiddle::Pinned 实例将阻止垃圾回收器移动 object。

static VALUE
initialize(VALUE self, VALUE ref)
{
    struct pinned_data *data;
    TypedData_Get_Struct(self, struct pinned_data, &pinned_data_type, data);
    RB_OBJ_WRITE(self, &data->ptr, ref);
    return self;
}

公共实例方法

clear() 点击以切换源代码

清除对此固定对象的引用。

# File fiddle/lib/fiddle/ffi_backend.rb, line 568
def clear
  @object = nil
end

cleared?() 点击以切换源代码

如果引用已被清除，则返回 true，否则返回 false。

# File fiddle/lib/fiddle/ffi_backend.rb, line 572
def cleared?
  @object.nil?
end

ref() 点击以切换源代码

返回此固定实例引用的对象。

# File fiddle/lib/fiddle/ffi_backend.rb, line 561
def ref
  if @object.nil?
    raise ClearedReferenceError, "`ref` called on a cleared object"
  end
  @object
end