53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/*******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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refcount.cpp
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A class that implements reference counting.
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*******************************************************************************/
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#include <sortix/kernel/platform.h>
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#include "refcount.h"
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namespace Sortix
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{
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Refcounted::Refcounted()
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{
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refcount = 1;
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}
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Refcounted::~Refcounted()
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{
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// It's OK to be deleted if our refcount is 1, it won't mess with any
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// other owners that might need us.
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ASSERT(refcount <= 1);
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}
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void Refcounted::Refer()
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{
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refcount++;
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}
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void Refcounted::Unref()
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{
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if ( !--refcount ) { delete this; }
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}
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}
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