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Some fixes to <atomic> operations to explicitly use atomic types and operations.

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The integral types now work with clang trunk (if you remove the guard), although we're still missing an intrinsic for initialising atomics (needed for C1x too).

Howard: Please review.



git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@146865 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Chisnall 2011-12-19 11:44:20 +00:00
parent 8e84350ebf
commit 83b2c84a3c
1 changed files with 6 additions and 6 deletions
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12
include/atomic
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@ -555,7 +555,7 @@ kill_dependency(_Tp __y)
template <class _Tp, bool = is_integral<_Tp>::value && !is_same<_Tp, bool>::value>
struct __atomic_base // false
{
_Tp __a_;
_Atomic(_Tp) __a_;
_LIBCPP_INLINE_VISIBILITY
bool is_lock_free() const volatile
@ -621,7 +621,7 @@ struct __atomic_base // false
_LIBCPP_INLINE_VISIBILITY
__atomic_base() {} // = default;
_LIBCPP_INLINE_VISIBILITY
/*constexpr*/ __atomic_base(_Tp __d) : __a_(__d) {}
/*constexpr*/ __atomic_base(_Tp __d) { __atomic_store(&__a_, __d, memory_order_seq_cst); }
#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
__atomic_base(const __atomic_base&) = delete;
__atomic_base& operator=(const __atomic_base&) = delete;
@ -820,7 +820,7 @@ inline _LIBCPP_INLINE_VISIBILITY
void
atomic_init(volatile atomic<_Tp>* __o, _Tp __d)
{
__o->__a_ = __d;
__atomic_store(&__o->__a_, __d, memory_order_seq_cst);
}
template <class _Tp>
@ -828,7 +828,7 @@ inline _LIBCPP_INLINE_VISIBILITY
void
atomic_init(atomic<_Tp>* __o, _Tp __d)
{
__o->__a_ = __d;
__atomic_store(&__o->__a_, __d, memory_order_seq_cst);
}
// atomic_store
@ -1348,7 +1348,7 @@ atomic_fetch_xor_explicit(atomic<_Tp>* __o, _Tp __op, memory_order __m)
typedef struct atomic_flag
{
bool __a_;
_Atomic(bool) __a_;
_LIBCPP_INLINE_VISIBILITY
bool test_and_set(memory_order __m = memory_order_seq_cst) volatile
@ -1366,7 +1366,7 @@ typedef struct atomic_flag
_LIBCPP_INLINE_VISIBILITY
atomic_flag() {} // = default;
_LIBCPP_INLINE_VISIBILITY
atomic_flag(bool __b) : __a_(__b) {}
atomic_flag(bool __b) { __atomic_store(&__a_, __b, memory_order_seq_cst); }
#ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
atomic_flag(const atomic_flag&) = delete;