lib/sanitizer_common/sanitizer_atomic.h

   1 //===-- sanitizer_atomic.h --------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file is a part of ThreadSanitizer/AddressSanitizer runtime.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef SANITIZER_ATOMIC_H
  15 #define SANITIZER_ATOMIC_H
  16
  17 #include "sanitizer_internal_defs.h"
  18
  19 namespace __sanitizer {
  20
  21 enum memory_order {
  22   memory_order_relaxed = 1 << 0,
  23   memory_order_consume = 1 << 1,
  24   memory_order_acquire = 1 << 2,
  25   memory_order_release = 1 << 3,
  26   memory_order_acq_rel = 1 << 4,
  27   memory_order_seq_cst = 1 << 5
  28 };
  29
  30 struct atomic_uint8_t {
  31   typedef u8 Type;
  32   volatile Type val_dont_use;
  33 };
  34
  35 struct atomic_uint16_t {
  36   typedef u16 Type;
  37   volatile Type val_dont_use;
  38 };
  39
  40 struct atomic_uint32_t {
  41   typedef u32 Type;
  42   volatile Type val_dont_use;
  43 };
  44
  45 struct atomic_uint64_t {
  46   typedef u64 Type;
  47   volatile Type val_dont_use;
  48 };
  49
  50 struct atomic_uintptr_t {
  51   typedef uptr Type;
  52   volatile Type val_dont_use;
  53 };
  54
  55 }  // namespace __sanitizer
  56
  57 #if defined(__GNUC__)
  58 # include "sanitizer_atomic_clang.h"
  59 #elif defined(_MSC_VER)
  60 # include "sanitizer_atomic_msvc.h"
  61 #else
  62 # error "Unsupported compiler"
  63 #endif
  64
  65 #endif  // SANITIZER_ATOMIC_H