b0d29bc47d
Having kyua in the base system will simplify automated testing in CI and eliminates bootstrapping issues on new platforms. The build of kyua is controlled by WITH(OUT)_TESTS_SUPPORT. Reviewed by: emaste Obtained from: CheriBSD Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D24103
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
// Copyright 2010 The Kyua Authors.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file utils/signals/timer.hpp
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/// Multiprogrammed support for timers.
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///
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/// The timer module and class implement a mechanism to program multiple timers
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/// concurrently by using a deadline scheduler and leveraging the "single timer"
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/// features of the underlying operating system.
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#if !defined(UTILS_SIGNALS_TIMER_HPP)
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#define UTILS_SIGNALS_TIMER_HPP
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#include "utils/signals/timer_fwd.hpp"
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#include <memory>
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#include "utils/datetime_fwd.hpp"
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#include "utils/noncopyable.hpp"
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namespace utils {
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namespace signals {
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namespace detail {
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void invoke_do_fired(timer*);
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} // namespace detail
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/// Individual timer.
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///
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/// Asynchronously executes its callback() method, which can be overridden by
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/// subclasses, when the timeout given at construction expires.
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class timer : noncopyable {
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struct impl;
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/// Pointer to the shared internal implementation.
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std::auto_ptr< impl > _pimpl;
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friend void detail::invoke_do_fired(timer*);
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void do_fired(void);
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protected:
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virtual void callback(void);
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public:
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timer(const utils::datetime::delta&);
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virtual ~timer(void);
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const utils::datetime::timestamp& when(void) const;
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bool fired(void) const;
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void unprogram(void);
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};
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} // namespace signals
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} // namespace utils
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#endif // !defined(UTILS_SIGNALS_TIMER_HPP)
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