Program Listing for File clock.h

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/*
 * Copyright © Canonical Ltd.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 2 or 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef MIR_TIME_CLOCK_H_
#define MIR_TIME_CLOCK_H_

#include <mir/time/types.h>

namespace mir
{
namespace time
{

class Clock
{
public:
    virtual ~Clock() = default;

    virtual Timestamp now() const = 0;

    virtual Duration min_wait_until(Timestamp t) const = 0;

protected:
    Clock() = default;
    Clock(Clock const&) = delete;
    Clock& operator=(Clock const&) = delete;
};

}
}

#endif // MIR_TIME_CLOCK_H_