diff options
Diffstat (limited to 'src/third_party/gperftools-2.7/src/base/spinlock_win32-inl.h')
-rw-r--r-- | src/third_party/gperftools-2.7/src/base/spinlock_win32-inl.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/third_party/gperftools-2.7/src/base/spinlock_win32-inl.h b/src/third_party/gperftools-2.7/src/base/spinlock_win32-inl.h new file mode 100644 index 00000000000..956b9653e6d --- /dev/null +++ b/src/third_party/gperftools-2.7/src/base/spinlock_win32-inl.h @@ -0,0 +1,54 @@ +// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- +/* Copyright (c) 2009, 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 file is a Win32-specific part of spinlock_internal.cc + */ + + +#include <windows.h> + +namespace base { +namespace internal { + +void SpinLockDelay(volatile Atomic32 *w, int32 value, int loop) { + if (loop == 0) { + } else if (loop == 1) { + Sleep(0); + } else { + Sleep(base::internal::SuggestedDelayNS(loop) / 1000000); + } +} + +void SpinLockWake(volatile Atomic32 *w, bool all) { +} + +} // namespace internal +} // namespace base |