diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/config.h')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/config.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/3rdparty/harfbuzz-ng/config.h b/src/3rdparty/harfbuzz-ng/config.h index b8b6b3c0fe..38087a71ef 100644 --- a/src/3rdparty/harfbuzz-ng/config.h +++ b/src/3rdparty/harfbuzz-ng/config.h @@ -22,6 +22,9 @@ * */ +#ifndef QHARFBUZZ_CONFIG_H +#define QHARFBUZZ_CONFIG_H + #include <QtCore/qatomic.h> QT_USE_NAMESPACE @@ -37,11 +40,19 @@ inline QAtomicPointer<T> *makeAtomicPointer(T * const &ptr) return reinterpret_cast<QAtomicPointer<T> *>(const_cast<T **>(&ptr)); } +static inline void _hb_memory_barrier () +{ + QAtomicInt a; + a.ref(); // Ordered memory semantics, so imposes a memory barrier at this point +} + } // namespace typedef int hb_atomic_int_impl_t; #define HB_ATOMIC_INT_IMPL_INIT(V) (V) -#define hb_atomic_int_impl_add(AI, V) reinterpret_cast<QAtomicInt &>(AI).fetchAndAddOrdered(V) +#define hb_atomic_int_impl_add(AI, V) reinterpret_cast<QAtomicInt *>(AI)->fetchAndAddOrdered(V) #define hb_atomic_ptr_impl_get(P) makeAtomicPointer(*(P))->loadAcquire() #define hb_atomic_ptr_impl_cmpexch(P,O,N) makeAtomicPointer(*(P))->testAndSetOrdered((O), (N)) + +#endif // QHARFBUZZ_CONFIG_H |