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// 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.
#ifndef THIRD_PARTY_WEBRTC_OVERRIDES_RTC_BASE_EVENT_H_
#define THIRD_PARTY_WEBRTC_OVERRIDES_RTC_BASE_EVENT_H_
#include "base/synchronization/waitable_event.h"
#include "base/threading/thread_restrictions.h"
#include "third_party/webrtc/api/units/time_delta.h"
#include "third_party/webrtc/rtc_base/system/rtc_export.h"
namespace webrtc {
// Overrides WebRTC's internal event implementation to use Chromium's.
class RTC_EXPORT Event {
public:
// TODO(bugs.webrtc.org/14366): Consider removing this redundant alias.
static constexpr webrtc::TimeDelta kForever =
webrtc::TimeDelta::PlusInfinity();
Event();
Event(bool manual_reset, bool initially_signaled);
Event(const Event&) = delete;
Event& operator=(const Event&) = delete;
~Event();
void Set();
void Reset();
// Wait for the event to become signaled, for the specified duration. To wait
// indefinitely, pass kForever.
bool Wait(webrtc::TimeDelta give_up_after);
bool Wait(webrtc::TimeDelta give_up_after, webrtc::TimeDelta /*warn_after*/) {
return Wait(give_up_after);
}
private:
base::WaitableEvent event_;
};
// Pull ScopedAllowBaseSyncPrimitives(ForTesting) into the rtc namespace.
// Managing what types in WebRTC are allowed to use
// ScopedAllowBaseSyncPrimitives, is done via thread_restrictions.h.
using ScopedAllowBaseSyncPrimitives = base::ScopedAllowBaseSyncPrimitives;
using ScopedAllowBaseSyncPrimitivesForTesting =
base::ScopedAllowBaseSyncPrimitivesForTesting;
} // namespace webrtc
// Re-export symbols from the webrtc namespace for backwards compatibility.
// TODO(bugs.webrtc.org/4222596): Remove once all references are updated.
namespace rtc {
using ::webrtc::Event;
using ::webrtc::ScopedAllowBaseSyncPrimitives;
using ::webrtc::ScopedAllowBaseSyncPrimitivesForTesting;
} // namespace rtc
#endif // THIRD_PARTY_WEBRTC_OVERRIDES_RTC_BASE_EVENT_H_
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