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small cleanup

master
Daniel Kolesa 2016-01-24 16:59:44 +00:00
parent 4b9faefa5c
commit 5192ea4977
1 changed files with 5 additions and 7 deletions
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12
ostd/atomic.hh
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@ -41,22 +41,20 @@ namespace detail {
int test_atomic_assignable(...);
template<typename T, typename U>
struct CanAtomicAssign {
static constexpr bool value
= (sizeof(test_atomic_assignable<T, U>(1)) == sizeof(char));
};
constexpr bool CanAtomicAssign
= (sizeof(test_atomic_assignable<T, U>(1)) == sizeof(char));
template<typename T>
static inline EnableIf<
CanAtomicAssign<volatile AtomicBase<T> *, T>::value
CanAtomicAssign<volatile AtomicBase<T> *, T>
> atomic_init(volatile AtomicBase<T> *a, T v) {
a->p_value = v;
}
template<typename T>
static inline EnableIf<
!CanAtomicAssign<volatile AtomicBase<T> *, T>::value &&
CanAtomicAssign< AtomicBase<T> *, T>::value
!CanAtomicAssign<volatile AtomicBase<T> *, T> &&
CanAtomicAssign< AtomicBase<T> *, T>
> atomic_init(volatile AtomicBase<T> *a, T v) {
volatile char *to = (volatile char *)(&a->p_value);
volatile char *end = to + sizeof(T);