webrtc/rtc_base/keep_ref_until_done.h
Mirko Bonadei d970807e0c Remove rtc_base/scoped_ref_ptr.h.
The type rtc::scoped_refptr<T> is now part of api/. Please include it from
api/scoped_refptr.h.

More info: See: https://groups.google.com/forum/#!topic/discuss-webrtc/Mme2MSz4z4o.

Bug: webrtc:9887, webrtc:8205
No-Try: True
Change-Id: Ic6c7c81e226e59f12f7933e472f573ae097b55bf
Reviewed-on: https://webrtc-review.googlesource.com/c/119041
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26414}
2019-01-25 20:29:58 +00:00

42 lines
1.3 KiB
C++

/*
* Copyright 2015 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 RTC_BASE_KEEP_REF_UNTIL_DONE_H_
#define RTC_BASE_KEEP_REF_UNTIL_DONE_H_
#include "api/scoped_refptr.h"
#include "rtc_base/bind.h"
#include "rtc_base/callback.h"
#include "rtc_base/ref_count.h"
namespace rtc {
namespace impl {
template <class T>
static inline void DoNothing(const scoped_refptr<T>& object) {}
} // namespace impl
// KeepRefUntilDone keeps a reference to |object| until the returned
// callback goes out of scope. If the returned callback is copied, the
// reference will be released when the last callback goes out of scope.
template <class ObjectT>
static inline Callback0<void> KeepRefUntilDone(ObjectT* object) {
return rtc::Bind(&impl::DoNothing<ObjectT>, scoped_refptr<ObjectT>(object));
}
template <class ObjectT>
static inline Callback0<void> KeepRefUntilDone(
const scoped_refptr<ObjectT>& object) {
return rtc::Bind(&impl::DoNothing<ObjectT>, object);
}
} // namespace rtc
#endif // RTC_BASE_KEEP_REF_UNTIL_DONE_H_