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/*
Copyright (C) 2009 Red Hat, Inc.
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_ATOMIC_COUNT
#define _H_ATOMIC_COUNT
class AtomicCount {
public:
AtomicCount(uint32_t count = 0) : _count (count) {}
uint32_t operator ++ ()
{
return __sync_add_and_fetch(&_count, 1);
}
uint32_t operator -- ()
{
return __sync_sub_and_fetch(&_count, 1);
}
operator uint32_t () { return _count;}
private:
uint32_t _count;
};
#endif
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