llvm-6502/include/llvm/System/Atomic.h
2009-06-17 00:28:49 +00:00

33 lines
942 B
C++

//===- llvm/System/Atomic.h - Atomic Operations -----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the llvm::sys atomic operations.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SYSTEM_ATOMIC_H
#define LLVM_SYSTEM_ATOMIC_H
#include "llvm/Support/DataTypes.h"
namespace llvm {
namespace sys {
void MemoryFence();
typedef uint32_t cas_flag;
cas_flag CompareAndSwap(volatile cas_flag* ptr,
cas_flag new_value,
cas_flag old_value);
cas_flag AtomicIncrement(volatile cas_flag* ptr);
cas_flag AtomicDecrement(volatile cas_flag* ptr);
}
}
#endif