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// -*- c++ -*-
#ifndef SYNC_H
#define SYNC_H
class sync {
public:
template <class T>
static bool compare_and_swap(T *address,
T oldValue, T newValue) {
return __sync_bool_compare_and_swap(address, oldValue, newValue);
}
template <class T>
static T increment(T *address) {
return __sync_add_and_fetch(address, 1);
}
template <class T>
static T decrement(T *address) {
return __sync_sub_and_fetch(address, 1);
}
template <class T>
static T increment(T &address) {
return __sync_add_and_fetch(&address, 1);
}
template <class T>
static T decrement(T &address) {
return __sync_sub_and_fetch(&address, 1);
}
template <class T>
static T read(T *address) {
return __sync_add_and_fetch(address, 0);
}
template <class T>
static T read(T &address) {
return __sync_add_and_fetch(&address, 0);
}
};
#endif /* SYNC_H */
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