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// Copyright 2019 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 PLATFORM_IMPL_SOCKET_HANDLE_WAITER_POSIX_H_
#define PLATFORM_IMPL_SOCKET_HANDLE_WAITER_POSIX_H_
#include <unistd.h>
#include <atomic>
#include <mutex>
#include <vector>
#include "platform/impl/socket_handle_waiter.h"
namespace openscreen {
class SocketHandleWaiterPosix : public SocketHandleWaiter {
public:
using SocketHandleRef = SocketHandleWaiter::SocketHandleRef;
explicit SocketHandleWaiterPosix(ClockNowFunctionPtr now_function);
~SocketHandleWaiterPosix() override;
// Runs the Wait function in a loop until the below RequestStopSoon function
// is called.
void RunUntilStopped();
// Signals for the RunUntilStopped loop to cease running.
void RequestStopSoon();
protected:
using SocketHandleWaiter::ReadyHandle;
ErrorOr<std::vector<ReadyHandle>> AwaitSocketsReadable(
const std::vector<SocketHandleRef>& socket_fds,
const Clock::duration& timeout) override;
private:
// Atomic so that we can perform atomic exchanges.
std::atomic_bool is_running_;
};
} // namespace openscreen
#endif // PLATFORM_IMPL_SOCKET_HANDLE_WAITER_POSIX_H_
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