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| author | bruvzg <7645683+bruvzg@users.noreply.github.com> | 2022-07-24 23:05:03 +0300 |
|---|---|---|
| committer | bruvzg <7645683+bruvzg@users.noreply.github.com> | 2022-07-24 23:05:03 +0300 |
| commit | 5f5a9f256cad866172c18939e31162ba038ac02e (patch) | |
| tree | c0d398d0ae345b40fd7b847057267f4ad1852554 /thirdparty/harfbuzz/src/hb-atomic.hh | |
| parent | b3df27526a0374f2fd5f44eab99da4b4bfd9f9ec (diff) | |
HarfBuzz: Update to version 5.0.1
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-atomic.hh')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-atomic.hh | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/thirdparty/harfbuzz/src/hb-atomic.hh b/thirdparty/harfbuzz/src/hb-atomic.hh index e640d1b586..d6dfb0f57a 100644 --- a/thirdparty/harfbuzz/src/hb-atomic.hh +++ b/thirdparty/harfbuzz/src/hb-atomic.hh @@ -111,6 +111,19 @@ _hb_atomic_ptr_impl_cmplexch (const void **P, const void *O_, const void *N) #endif +#ifndef _hb_compiler_memory_r_barrier +/* This we always use std::atomic for; and should never be disabled... + * except that MSVC gives me an internal compiler error on it. */ +#if !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) +#endif +#endif + + + #ifndef _hb_memory_r_barrier #define _hb_memory_r_barrier() _hb_memory_barrier () #endif |