| // Copyright 2016 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/lib/fxl/memory/weak_ptr_internal.h" |
| |
| #include <lib/syslog/cpp/macros.h> |
| |
| namespace fxl { |
| namespace internal { |
| |
| WeakPtrFlag::WeakPtrFlag() : is_valid_(true) {} |
| |
| WeakPtrFlag::~WeakPtrFlag() { |
| // Should be invalidated before destruction. |
| FX_DCHECK(!is_valid_); |
| } |
| |
| void WeakPtrFlag::Invalidate() { |
| // Invalidation should happen exactly once. |
| FX_DCHECK(is_valid_); |
| is_valid_ = false; |
| } |
| |
| } // namespace internal |
| } // namespace fxl |