From afb14c2cc6095d515aa0754fb6e1e1c44db091b6 Mon Sep 17 00:00:00 2001 From: "ivankr@chromium.org" Date: Tue, 6 Nov 2012 10:38:59 +0000 Subject: [cros] Add RecursiveLock for CrOS implementation. BUG=157348 Review URL: https://chromiumcodereview.appspot.com/11361057 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@166186 0039d316-1c4b-4281-b951-d872f2087c98 --- rlz/lib/recursive_lock.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 rlz/lib/recursive_lock.h (limited to 'rlz/lib/recursive_lock.h') diff --git a/rlz/lib/recursive_lock.h b/rlz/lib/recursive_lock.h new file mode 100644 index 0000000..43c95747 --- /dev/null +++ b/rlz/lib/recursive_lock.h @@ -0,0 +1,34 @@ +// Copyright (c) 2012 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. + +#ifndef RLZ_CHROMEOS_LIB_RECURSIVE_LOCK_H_ +#define RLZ_CHROMEOS_LIB_RECURSIVE_LOCK_H_ + +#include "base/atomicops.h" +#include "base/basictypes.h" +#include "base/synchronization/lock.h" + +namespace rlz_lib { + + +class RecursiveLock { + public: + RecursiveLock(); + ~RecursiveLock(); + + void Acquire(); + void Release(); + + private: + // Underlying non-recursive lock. + base::Lock lock_; + // Owner thread ID. + base::subtle::Atomic32 owner_; + // Recursion lock depth. + int recursion_; +}; + +} // namespace rlz_lib + +#endif // RLZ_CHROMEOS_LIB_RECURSIVE_LOCK_H_ -- cgit v1.1