lock_impl_win.cc (721B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style license that can be 5 // found in the LICENSE file. 6 7 #include "base/lock_impl.h" 8 9 namespace base { 10 namespace internal { 11 12 LockImpl::LockImpl() : native_handle_(SRWLOCK_INIT) {} 13 14 LockImpl::~LockImpl() = default; 15 16 bool LockImpl::Try() { return !!::TryAcquireSRWLockExclusive(&native_handle_); } 17 18 void LockImpl::Lock() { ::AcquireSRWLockExclusive(&native_handle_); } 19 20 void LockImpl::Unlock() { ::ReleaseSRWLockExclusive(&native_handle_); } 21 22 } // namespace internal 23 } // namespace base