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base / observer_list_threadsafe.cc [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/observer_list_threadsafe.h"
#include "base/compiler_specific.h"
namespace base {
namespace internal {
constinit thread_local const ObserverListThreadSafeBase::NotificationDataBase*
current_notification = nullptr;
// static
const ObserverListThreadSafeBase::NotificationDataBase*&
ObserverListThreadSafeBase::GetCurrentNotification() {
// Workaround false-positive MSAN use-of-uninitialized-value on
// thread_local storage for loaded libraries:
// https://github.com/google/sanitizers/issues/1265
MSAN_UNPOISON(
¤t_notification,
sizeof(const ObserverListThreadSafeBase::NotificationDataBase*));
return current_notification;
}
} // namespace internal
} // namespace base