libasan/sanitizer_common/sanitizer_atomic.h

   1 //===-- sanitizer_atomic.h --------------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is a part of ThreadSanitizer/AddressSanitizer runtime.
   9 //
  10 //===----------------------------------------------------------------------===//
  11
  12 #ifndef SANITIZER_ATOMIC_H
  13 #define SANITIZER_ATOMIC_H
  14
  15 #include "sanitizer_internal_defs.h"
  16
  17 namespace __sanitizer {
  18
  19 enum memory_order {
  20   memory_order_relaxed = 1 << 0,
  21   memory_order_consume = 1 << 1,
  22   memory_order_acquire = 1 << 2,
  23   memory_order_release = 1 << 3,
  24   memory_order_acq_rel = 1 << 4,
  25   memory_order_seq_cst = 1 << 5
  26 };
  27
  28 struct atomic_uint8_t {
  29   typedef u8 Type;
  30   volatile Type val_dont_use;
  31 };
  32
  33 struct atomic_uint16_t {
  34   typedef u16 Type;
  35   volatile Type val_dont_use;
  36 };
  37
  38 struct atomic_uint32_t {
  39   typedef u32 Type;
  40   volatile Type val_dont_use;
  41 };
  42
  43 struct atomic_uint64_t {
  44   typedef u64 Type;
  45   volatile Type val_dont_use;
  46 };
  47
  48 struct atomic_uintptr_t {
  49   typedef uptr Type;
  50   volatile Type val_dont_use;
  51 };
  52
  53 }  // namespace __sanitizer
  54
  55 #if defined(__GNUC__)
  56 # include "sanitizer_atomic_clang.h"
  57 #elif defined(_MSC_VER)
  58 # include "sanitizer_atomic_msvc.h"
  59 #else
  60 # error "Unsupported compiler"
  61 #endif
  62
  63 #endif  // SANITIZER_ATOMIC_H