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authormmentovai@google.com <mmentovai@google.com@0039d316-1c4b-4281-b951-d872f2087c98>2008-08-27 16:52:25 +0000
committermmentovai@google.com <mmentovai@google.com@0039d316-1c4b-4281-b951-d872f2087c98>2008-08-27 16:52:25 +0000
commit0848262a69906d86bb3e313118f0411c407fd005 (patch)
treef618f93b5ad4a75053b9d01f0250856dd22e8232 /base/atomicops_internals_x86_macosx.h
parent0006be64ca437efd23de16ea5eb0d13037ebc261 (diff)
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Add more passing tests to base_unittests. Add a few more headers we use to
base.xcodeproj. git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1446 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/atomicops_internals_x86_macosx.h')
-rw-r--r--base/atomicops_internals_x86_macosx.h280
1 files changed, 0 insertions, 280 deletions
diff --git a/base/atomicops_internals_x86_macosx.h b/base/atomicops_internals_x86_macosx.h
deleted file mode 100644
index 6b7fa1a..0000000
--- a/base/atomicops_internals_x86_macosx.h
+++ /dev/null
@@ -1,280 +0,0 @@
-// Copyright (c) 2006-2008 The Chromium 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 base/atomicops.h instead.
-
-#ifndef BASE_ATOMICOPS_INTERNALS_X86_MACOSX_H_
-#define BASE_ATOMICOPS_INTERNALS_X86_MACOSX_H_
-
-#include <libkern/OSAtomic.h>
-
-namespace base {
-namespace subtle {
-
-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 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 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,
- const_cast<Atomic64*>(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,
- const_cast<Atomic64*>(ptr)));
- return old_value;
-}
-
-inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64 *ptr,
- Atomic64 increment) {
- return OSAtomicAdd64(increment, const_cast<Atomic64*>(ptr));
-}
-
-inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64 *ptr,
- Atomic64 increment) {
- return OSAtomicAdd64Barrier(increment, const_cast<Atomic64*>(ptr));
-}
-
-inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64 *ptr,
- Atomic64 old_value,
- Atomic64 new_value) {
- Atomic64 prev_value;
- do {
- if (OSAtomicCompareAndSwap64Barrier(old_value, new_value,
- const_cast<Atomic64*>(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__)
-
-// MacOS uses long for intptr_t, AtomicWord and Atomic32 are always different
-// on the Mac, even when they are the same size. We need to explicitly cast
-// from AtomicWord to Atomic32/64 to implement the AtomicWord interface.
-#ifdef __LP64__
-#define AtomicWordCastType Atomic64
-#else
-#define AtomicWordCastType Atomic32
-#endif
-
-inline AtomicWord NoBarrier_CompareAndSwap(volatile AtomicWord* ptr,
- AtomicWord old_value,
- AtomicWord new_value) {
- return NoBarrier_CompareAndSwap(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr),
- old_value, new_value);
-}
-
-inline AtomicWord NoBarrier_AtomicExchange(volatile AtomicWord* ptr,
- AtomicWord new_value) {
- return NoBarrier_AtomicExchange(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr), new_value);
-}
-
-inline AtomicWord NoBarrier_AtomicIncrement(volatile AtomicWord* ptr,
- AtomicWord increment) {
- return NoBarrier_AtomicIncrement(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr), increment);
-}
-
-inline AtomicWord Barrier_AtomicIncrement(volatile AtomicWord* ptr,
- AtomicWord increment) {
- return Barrier_AtomicIncrement(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr), increment);
-}
-
-inline AtomicWord Acquire_CompareAndSwap(volatile AtomicWord* ptr,
- AtomicWord old_value,
- AtomicWord new_value) {
- return base::subtle::Acquire_CompareAndSwap(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr),
- old_value, new_value);
-}
-
-inline AtomicWord Release_CompareAndSwap(volatile AtomicWord* ptr,
- AtomicWord old_value,
- AtomicWord new_value) {
- return base::subtle::Release_CompareAndSwap(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr),
- old_value, new_value);
-}
-
-inline void NoBarrier_Store(volatile AtomicWord *ptr, AtomicWord value) {
- NoBarrier_Store(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr), value);
-}
-
-inline void Acquire_Store(volatile AtomicWord* ptr, AtomicWord value) {
- return base::subtle::Acquire_Store(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr), value);
-}
-
-inline void Release_Store(volatile AtomicWord* ptr, AtomicWord value) {
- return base::subtle::Release_Store(
- reinterpret_cast<volatile AtomicWordCastType*>(ptr), value);
-}
-
-inline AtomicWord NoBarrier_Load(volatile const AtomicWord *ptr) {
- return NoBarrier_Load(
- reinterpret_cast<volatile const AtomicWordCastType*>(ptr));
-}
-
-inline AtomicWord Acquire_Load(volatile const AtomicWord* ptr) {
- return base::subtle::Acquire_Load(
- reinterpret_cast<volatile const AtomicWordCastType*>(ptr));
-}
-
-inline AtomicWord Release_Load(volatile const AtomicWord* ptr) {
- return base::subtle::Release_Load(
- reinterpret_cast<volatile const AtomicWordCastType*>(ptr));
-}
-
-#undef AtomicWordCastType
-
-} // namespace base::subtle
-} // namespace base
-
-#endif // BASE_ATOMICOPS_INTERNALS_X86_MACOSX_H_
-