/usr/include/thunderbird/SelfRef.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef SELF_REF_H
#define SELF_REF_H
#include "mozilla/Attributes.h"
namespace mozilla {
template<class T>
class SelfReference {
public:
SelfReference() : mHeld(false) {}
~SelfReference()
{
NS_ASSERTION(!mHeld, "Forgot to drop the self reference?");
}
void Take(T* t)
{
if (!mHeld) {
mHeld = true;
t->AddRef();
}
}
void Drop(T* t)
{
if (mHeld) {
mHeld = false;
t->Release();
}
}
operator bool() const { return mHeld; }
SelfReference(const SelfReference& aOther) = delete;
void operator=(const SelfReference& aOther) = delete;
private:
bool mHeld;
};
} // mozilla
#endif // SELF_REF_H
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