diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-atomic.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-atomic.hh | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh b/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh index a6283de140..366fb32b7d 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh @@ -118,12 +118,12 @@ _hb_atomic_ptr_impl_cmplexch (const void **P, const void *O_, const void *N) */ #ifndef _hb_compiler_memory_r_barrier #if defined(__ATOMIC_ACQUIRE) // gcc-like -#define _hb_compiler_memory_r_barrier() asm volatile("": : :"memory") +static inline void _hb_compiler_memory_r_barrier () { asm volatile("": : :"memory"); } #elif !defined(_MSC_VER) #include <atomic> #define _hb_compiler_memory_r_barrier() std::atomic_signal_fence (std::memory_order_acquire) #else -#define _hb_compiler_memory_r_barrier() do {} while (0) +static inline void _hb_compiler_memory_r_barrier () {} #endif #endif @@ -204,6 +204,7 @@ struct hb_atomic_ptr_t hb_atomic_ptr_t () = default; constexpr hb_atomic_ptr_t (T* v) : v (v) {} + hb_atomic_ptr_t (const hb_atomic_ptr_t &other) = delete; void init (T* v_ = nullptr) { set_relaxed (v_); } void set_relaxed (T* v_) { hb_atomic_ptr_impl_set_relaxed (&v, v_); } @@ -217,5 +218,11 @@ struct hb_atomic_ptr_t T *v = nullptr; }; +static inline bool hb_barrier () +{ + _hb_compiler_memory_r_barrier (); + return true; +} + #endif /* HB_ATOMIC_HH */ |