diff options
Diffstat (limited to 'include/EASTL/internal/atomic/compiler/msvc/compiler_msvc_cpu_pause.h')
-rw-r--r-- | include/EASTL/internal/atomic/compiler/msvc/compiler_msvc_cpu_pause.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/EASTL/internal/atomic/compiler/msvc/compiler_msvc_cpu_pause.h b/include/EASTL/internal/atomic/compiler/msvc/compiler_msvc_cpu_pause.h new file mode 100644 index 0000000..720701a --- /dev/null +++ b/include/EASTL/internal/atomic/compiler/msvc/compiler_msvc_cpu_pause.h @@ -0,0 +1,27 @@ +///////////////////////////////////////////////////////////////////////////////// +// copyright (c) electronic arts inc. all rights reserved. +///////////////////////////////////////////////////////////////////////////////// + + +#ifndef EASTL_ATOMIC_INTERNAL_COMPILER_MSVC_CPU_PAUSE_H +#define EASTL_ATOMIC_INTERNAL_COMPILER_MSVC_CPU_PAUSE_H + +#if defined(EA_PRAGMA_ONCE_SUPPORTED) + #pragma once +#endif + + +///////////////////////////////////////////////////////////////////////////////// +// +// void EASTL_COMPILER_ATOMIC_CPU_PAUSE() +// +// NOTE: +// Rather obscure macro in Windows.h that expands to pause or rep; nop on +// compatible x86 cpus or the arm yield on compatible arm processors. +// This is nicer than switching on platform specific intrinsics. +// +#define EASTL_COMPILER_ATOMIC_CPU_PAUSE() \ + YieldProcessor() + + +#endif /* EASTL_ATOMIC_INTERNAL_COMPILER_MSVC_CPU_PAUSE_H */ |