Index: src/atomicops_internals_mac.h |
diff --git a/src/atomicops_internals_mac.h b/src/atomicops_internals_mac.h |
deleted file mode 100644 |
index 5e6abe4a46da891f495554076912411387453b29..0000000000000000000000000000000000000000 |
--- a/src/atomicops_internals_mac.h |
+++ /dev/null |
@@ -1,204 +0,0 @@ |
-// Copyright 2010 the V8 project authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-// This file is an internal atomic implementation, use atomicops.h instead. |
- |
-#ifndef V8_ATOMICOPS_INTERNALS_MAC_H_ |
-#define V8_ATOMICOPS_INTERNALS_MAC_H_ |
- |
-#include <libkern/OSAtomic.h> |
- |
-namespace v8 { |
-namespace internal { |
- |
-inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr, |
- Atomic32 old_value, |
- Atomic32 new_value) { |
- Atomic32 prev_value; |
- do { |
- if (OSAtomicCompareAndSwap32(old_value, new_value, |
- const_cast<Atomic32*>(ptr))) { |
- return old_value; |
- } |
- prev_value = *ptr; |
- } while (prev_value == old_value); |
- return prev_value; |
-} |
- |
-inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr, |
- Atomic32 new_value) { |
- Atomic32 old_value; |
- do { |
- old_value = *ptr; |
- } while (!OSAtomicCompareAndSwap32(old_value, new_value, |
- const_cast<Atomic32*>(ptr))); |
- return old_value; |
-} |
- |
-inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr, |
- Atomic32 increment) { |
- return OSAtomicAdd32(increment, const_cast<Atomic32*>(ptr)); |
-} |
- |
-inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr, |
- Atomic32 increment) { |
- return OSAtomicAdd32Barrier(increment, const_cast<Atomic32*>(ptr)); |
-} |
- |
-inline void MemoryBarrier() { |
- OSMemoryBarrier(); |
-} |
- |
-inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr, |
- Atomic32 old_value, |
- Atomic32 new_value) { |
- Atomic32 prev_value; |
- do { |
- if (OSAtomicCompareAndSwap32Barrier(old_value, new_value, |
- const_cast<Atomic32*>(ptr))) { |
- return old_value; |
- } |
- prev_value = *ptr; |
- } while (prev_value == old_value); |
- return prev_value; |
-} |
- |
-inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr, |
- Atomic32 old_value, |
- Atomic32 new_value) { |
- return Acquire_CompareAndSwap(ptr, old_value, new_value); |
-} |
- |
-inline void NoBarrier_Store(volatile Atomic8* ptr, Atomic8 value) { |
- *ptr = value; |
-} |
- |
-inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) { |
- *ptr = value; |
-} |
- |
-inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) { |
- *ptr = value; |
- MemoryBarrier(); |
-} |
- |
-inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) { |
- MemoryBarrier(); |
- *ptr = value; |
-} |
- |
-inline Atomic8 NoBarrier_Load(volatile const Atomic8* ptr) { |
- return *ptr; |
-} |
- |
-inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) { |
- return *ptr; |
-} |
- |
-inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) { |
- Atomic32 value = *ptr; |
- MemoryBarrier(); |
- return value; |
-} |
- |
-inline Atomic32 Release_Load(volatile const Atomic32* ptr) { |
- MemoryBarrier(); |
- return *ptr; |
-} |
- |
-#ifdef __LP64__ |
- |
-// 64-bit implementation on 64-bit platform |
- |
-inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr, |
- Atomic64 old_value, |
- Atomic64 new_value) { |
- Atomic64 prev_value; |
- do { |
- if (OSAtomicCompareAndSwap64(old_value, new_value, |
- reinterpret_cast<volatile int64_t*>(ptr))) { |
- return old_value; |
- } |
- prev_value = *ptr; |
- } while (prev_value == old_value); |
- return prev_value; |
-} |
- |
-inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr, |
- Atomic64 new_value) { |
- Atomic64 old_value; |
- do { |
- old_value = *ptr; |
- } while (!OSAtomicCompareAndSwap64(old_value, new_value, |
- reinterpret_cast<volatile int64_t*>(ptr))); |
- return old_value; |
-} |
- |
-inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr, |
- Atomic64 increment) { |
- return OSAtomicAdd64(increment, reinterpret_cast<volatile int64_t*>(ptr)); |
-} |
- |
-inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr, |
- Atomic64 increment) { |
- return OSAtomicAdd64Barrier(increment, |
- reinterpret_cast<volatile int64_t*>(ptr)); |
-} |
- |
-inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr, |
- Atomic64 old_value, |
- Atomic64 new_value) { |
- Atomic64 prev_value; |
- do { |
- if (OSAtomicCompareAndSwap64Barrier( |
- old_value, new_value, reinterpret_cast<volatile int64_t*>(ptr))) { |
- return old_value; |
- } |
- prev_value = *ptr; |
- } while (prev_value == old_value); |
- return prev_value; |
-} |
- |
-inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr, |
- Atomic64 old_value, |
- Atomic64 new_value) { |
- // The lib kern interface does not distinguish between |
- // Acquire and Release memory barriers; they are equivalent. |
- return Acquire_CompareAndSwap(ptr, old_value, new_value); |
-} |
- |
-inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) { |
- *ptr = value; |
-} |
- |
-inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) { |
- *ptr = value; |
- MemoryBarrier(); |
-} |
- |
-inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) { |
- MemoryBarrier(); |
- *ptr = value; |
-} |
- |
-inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) { |
- return *ptr; |
-} |
- |
-inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) { |
- Atomic64 value = *ptr; |
- MemoryBarrier(); |
- return value; |
-} |
- |
-inline Atomic64 Release_Load(volatile const Atomic64* ptr) { |
- MemoryBarrier(); |
- return *ptr; |
-} |
- |
-#endif // defined(__LP64__) |
- |
-} } // namespace v8::internal |
- |
-#endif // V8_ATOMICOPS_INTERNALS_MAC_H_ |