Use a more compact license header in source files.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1287 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 65 insertions, 89 deletions

diff --git a/base/atomic_ref_count.h b/base/atomic_ref_count.h
index 84bd343..36690b5 100644
--- a/base/atomic_ref_count.h
+++ b/base/atomic_ref_count.h
@@ -1,89 +1,65 @@
-// Copyright 2008, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//    * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//    * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//    * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// This is a low level implementation of atomic semantics for reference
-// counting.  Please use base/ref_counted.h directly instead.
-
-#ifndef BASE_ATOMIC_REF_COUNT_H_
-#define BASE_ATOMIC_REF_COUNT_H_
-
-#include "base/atomicops.h"
-#include "base/basictypes.h"
-
-namespace base {
-
-typedef base::subtle::Atomic32 AtomicRefCount;
-
-// Increment a reference count by "increment", which must exceed 0.
-inline void AtomicRefCountIncN(volatile AtomicRefCount *ptr,
-                               AtomicRefCount increment) {
-  base::subtle::NoBarrier_AtomicIncrement(ptr, increment);
-}
-
-// Decrement a reference count by "decrement", which must exceed 0,
-// and return whether the result is non-zero.
-// Insert barriers to ensure that state written before the reference count
-// became zero will be visible to a thread that has just made the count zero.
-inline bool AtomicRefCountDecN(volatile AtomicRefCount *ptr,
-                               AtomicRefCount decrement) {
-  return base::subtle::Barrier_AtomicIncrement(ptr, -decrement) != 0;
-}
-
-// Increment a reference count by 1.
-inline void AtomicRefCountInc(volatile AtomicRefCount *ptr) {
-  base::AtomicRefCountIncN(ptr, 1);
-}
-
-// Decrement a reference count by 1 and return whether the result is non-zero.
-// Insert barriers to ensure that state written before the reference count
-// became zero will be visible to a thread that has just made the count zero.
-inline bool AtomicRefCountDec(volatile AtomicRefCount *ptr) {
-  return base::AtomicRefCountDecN(ptr, 1);
-}
-
-// Return whether the reference count is one.  If the reference count is used
-// in the conventional way, a refrerence count of 1 implies that the current
-// thread owns the reference and no other thread shares it.  This call performs
-// the test for a reference count of one, and performs the memory barrier
-// needed for the owning thread to act on the object, knowing that it has
-// exclusive access to the object.
-inline bool AtomicRefCountIsOne(volatile AtomicRefCount *ptr) {
-  return base::subtle::Acquire_Load(ptr) == 1;
-}
-
-// Return whether the reference count is zero.  With conventional object
-// referencing counting, the object will be destroyed, so the reference count
-// should never be zero.  Hence this is generally used for a debug check.
-inline bool AtomicRefCountIsZero(volatile AtomicRefCount *ptr) {
-  return base::subtle::Acquire_Load(ptr) == 0;
-}
-
-}  // namespace base
-
-#endif  // BASE_ATOMIC_REF_COUNT_H_
+// 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 is a low level implementation of atomic semantics for reference

+// counting.  Please use base/ref_counted.h directly instead.

+

+#ifndef BASE_ATOMIC_REF_COUNT_H_

+#define BASE_ATOMIC_REF_COUNT_H_

+

+#include "base/atomicops.h"

+#include "base/basictypes.h"

+

+namespace base {

+

+typedef base::subtle::Atomic32 AtomicRefCount;

+

+// Increment a reference count by "increment", which must exceed 0.

+inline void AtomicRefCountIncN(volatile AtomicRefCount *ptr,

+                               AtomicRefCount increment) {

+  base::subtle::NoBarrier_AtomicIncrement(ptr, increment);

+}

+

+// Decrement a reference count by "decrement", which must exceed 0,

+// and return whether the result is non-zero.

+// Insert barriers to ensure that state written before the reference count

+// became zero will be visible to a thread that has just made the count zero.

+inline bool AtomicRefCountDecN(volatile AtomicRefCount *ptr,

+                               AtomicRefCount decrement) {

+  return base::subtle::Barrier_AtomicIncrement(ptr, -decrement) != 0;

+}

+

+// Increment a reference count by 1.

+inline void AtomicRefCountInc(volatile AtomicRefCount *ptr) {

+  base::AtomicRefCountIncN(ptr, 1);

+}

+

+// Decrement a reference count by 1 and return whether the result is non-zero.

+// Insert barriers to ensure that state written before the reference count

+// became zero will be visible to a thread that has just made the count zero.

+inline bool AtomicRefCountDec(volatile AtomicRefCount *ptr) {

+  return base::AtomicRefCountDecN(ptr, 1);

+}

+

+// Return whether the reference count is one.  If the reference count is used

+// in the conventional way, a refrerence count of 1 implies that the current

+// thread owns the reference and no other thread shares it.  This call performs

+// the test for a reference count of one, and performs the memory barrier

+// needed for the owning thread to act on the object, knowing that it has

+// exclusive access to the object.

+inline bool AtomicRefCountIsOne(volatile AtomicRefCount *ptr) {

+  return base::subtle::Acquire_Load(ptr) == 1;

+}

+

+// Return whether the reference count is zero.  With conventional object

+// referencing counting, the object will be destroyed, so the reference count

+// should never be zero.  Hence this is generally used for a debug check.

+inline bool AtomicRefCountIsZero(volatile AtomicRefCount *ptr) {

+  return base::subtle::Acquire_Load(ptr) == 0;

+}

+

+}  // namespace base

+

+#endif  // BASE_ATOMIC_REF_COUNT_H_

+