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Diffstat (limited to 'webrtc/api/ref_counted_base.h')
-rw-r--r-- | webrtc/api/ref_counted_base.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/webrtc/api/ref_counted_base.h b/webrtc/api/ref_counted_base.h new file mode 100644 index 0000000..a1761db --- /dev/null +++ b/webrtc/api/ref_counted_base.h @@ -0,0 +1,43 @@ +/* + * Copyright 2017 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ +#ifndef API_REF_COUNTED_BASE_H_ +#define API_REF_COUNTED_BASE_H_ + +#include "rtc_base/constructor_magic.h" +#include "rtc_base/ref_count.h" +#include "rtc_base/ref_counter.h" + +namespace rtc { + +class RefCountedBase { + public: + RefCountedBase() = default; + + void AddRef() const { ref_count_.IncRef(); } + RefCountReleaseStatus Release() const { + const auto status = ref_count_.DecRef(); + if (status == RefCountReleaseStatus::kDroppedLastRef) { + delete this; + } + return status; + } + + protected: + virtual ~RefCountedBase() = default; + + private: + mutable webrtc::webrtc_impl::RefCounter ref_count_{0}; + + RTC_DISALLOW_COPY_AND_ASSIGN(RefCountedBase); +}; + +} // namespace rtc + +#endif // API_REF_COUNTED_BASE_H_ |