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comparison include/llvm/Support/Atomic.h @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 1172e4bd9c6f
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-1:000000000000 0:95c75e76d11b
1 //===- llvm/Support/Atomic.h - Atomic Operations -----------------*- 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 declares the llvm::sys atomic operations.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #ifndef LLVM_SUPPORT_ATOMIC_H
15 #define LLVM_SUPPORT_ATOMIC_H
16
17 #include "llvm/Support/DataTypes.h"
18
19 namespace llvm {
20 namespace sys {
21 void MemoryFence();
22
23 #ifdef _MSC_VER
24 typedef long cas_flag;
25 #else
26 typedef uint32_t cas_flag;
27 #endif
28 cas_flag CompareAndSwap(volatile cas_flag* ptr,
29 cas_flag new_value,
30 cas_flag old_value);
31 cas_flag AtomicIncrement(volatile cas_flag* ptr);
32 cas_flag AtomicDecrement(volatile cas_flag* ptr);
33 cas_flag AtomicAdd(volatile cas_flag* ptr, cas_flag val);
34 cas_flag AtomicMul(volatile cas_flag* ptr, cas_flag val);
35 cas_flag AtomicDiv(volatile cas_flag* ptr, cas_flag val);
36 }
37 }
38
39 #endif