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/*
* Copyright © 2013 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 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/>.
*
* Authored by: Thomas Voß <thomas.voss@canonical.com>
*/
#ifndef CORE_POSIX_SIGNALABLE_H_
#define CORE_POSIX_SIGNALABLE_H_
#include <core/posix/signal.h>
#include <core/posix/visibility.h>
#include <memory>
#include <system_error>
namespace core
{
namespace posix
{
/**
* @brief The Signalable class abstracts the ability of an entity to be delivered a posix signal.
*/
class CORE_POSIX_DLL_PUBLIC Signalable
{
public:
/**
* @brief Sends a signal to this signalable object.
* @throws std::system_error in case of problems.
* @param [in] signal The signal to be sent to the process.
*/
virtual void send_signal_or_throw(Signal signal);
/**
* @brief Sends a signal to this signalable object.
* @param [in] signal The signal to be sent to the process.
* @param [out] e Set to contain an error if an issue arises.
*/
virtual void send_signal(Signal signal, std::error_code& e) noexcept(true);
protected:
CORE_POSIX_DLL_LOCAL explicit Signalable(pid_t pid);
private:
struct CORE_POSIX_DLL_LOCAL Private;
std::shared_ptr<Private> d;
};
}
}
#endif // CORE_POSIX_SIGNALABLE_H_
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