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Diffstat (limited to 'libtdenetwork/gpgmepp/shared.h')
-rw-r--r-- | libtdenetwork/gpgmepp/shared.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libtdenetwork/gpgmepp/shared.h b/libtdenetwork/gpgmepp/shared.h new file mode 100644 index 000000000..f9c79e0cc --- /dev/null +++ b/libtdenetwork/gpgmepp/shared.h @@ -0,0 +1,54 @@ +/* shared.h - internal tool for refcounting -*- c++ -*- + Copyright (C) 2003 Klarälvdalens Datakonsult AB + + This file is part of GPGME++. + + GPGME++ is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + GPGME++ is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with GPGME; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef __GPGMEPP_SHARED_H__ +#define __GPGMEPP_SHARED_H__ + +#include <cassert> + +namespace GpgME { + + class Shared { + protected: + Shared() : mRefCount( 0 ) {} + virtual ~Shared() { + assert( mRefCount <= 0 ); + } + + public: + int ref() { return ++mRefCount; } + int deref() { return unref(); } + int unref() { + if ( --mRefCount <= 0 ) { + delete this; + return 0; + } + return mRefCount; + } + int refCount() { return mRefCount; } + + private: + int mRefCount; + }; + +} + + +#endif // __GPGMEPP_SHARED_H__ |