| // Copyright 2016 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. |
| |
| #include "platform/WaitableEvent.h" |
| |
| #include <vector> |
| #include "base/synchronization/waitable_event.h" |
| #include "platform/heap/SafePoint.h" |
| #include "platform/heap/ThreadState.h" |
| #include "platform/wtf/Optional.h" |
| #include "platform/wtf/PtrUtil.h" |
| |
| namespace blink { |
| |
| WaitableEvent::WaitableEvent(ResetPolicy policy, InitialState state) { |
| impl_ = WTF::WrapUnique(new base::WaitableEvent( |
| policy == ResetPolicy::kManual |
| ? base::WaitableEvent::ResetPolicy::MANUAL |
| : base::WaitableEvent::ResetPolicy::AUTOMATIC, |
| state == InitialState::kSignaled |
| ? base::WaitableEvent::InitialState::SIGNALED |
| : base::WaitableEvent::InitialState::NOT_SIGNALED)); |
| } |
| |
| WaitableEvent::~WaitableEvent() = default; |
| |
| void WaitableEvent::Reset() { |
| impl_->Reset(); |
| } |
| |
| void WaitableEvent::Wait() { |
| impl_->Wait(); |
| } |
| |
| void WaitableEvent::Signal() { |
| impl_->Signal(); |
| } |
| |
| size_t WaitableEvent::WaitMultiple(const WTF::Vector<WaitableEvent*>& events) { |
| std::vector<base::WaitableEvent*> base_events; |
| for (size_t i = 0; i < events.size(); ++i) |
| base_events.push_back(events[i]->impl_.get()); |
| size_t idx = |
| base::WaitableEvent::WaitMany(base_events.data(), base_events.size()); |
| DCHECK_LT(idx, events.size()); |
| return idx; |
| } |
| |
| } // namespace blink |