| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef VM_ATOMIC_MACOS_H_ |
| #define VM_ATOMIC_MACOS_H_ |
| |
| #if !defined VM_ATOMIC_H_ |
| #error Do not include atomic_macos.h directly. Use atomic.h instead. |
| #endif |
| |
| #if !defined(TARGET_OS_MACOS) |
| #error This file should only be included on Mac OS X builds. |
| #endif |
| |
| namespace dart { |
| |
| |
| inline uintptr_t AtomicOperations::FetchAndIncrement(uintptr_t* p) { |
| return __sync_fetch_and_add(p, 1); |
| } |
| |
| |
| #if !defined(USING_SIMULATOR) |
| inline uword AtomicOperations::CompareAndSwapWord(uword* ptr, |
| uword old_value, |
| uword new_value) { |
| return __sync_val_compare_and_swap(ptr, old_value, new_value); |
| } |
| #endif // !defined(USING_SIMULATOR) |
| |
| } // namespace dart |
| |
| #endif // VM_ATOMIC_MACOS_H_ |
