xref: /netbsd-src/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_atomic.h (revision c3ab26950fe8540fb553d1d1dcae454bc98e5a25)
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
64