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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_PROCESS_GROUP_H_
#define CORE_POSIX_PROCESS_GROUP_H_
#include <core/posix/signalable.h>
#include <core/posix/visibility.h>
#include <memory>
namespace core
{
namespace posix
{
class Process;
/**
* @brief The ProcessGroup class models a signalable group of process.
*
* Summary from http://en.wikipedia.org/wiki/Process_group:
*
* In POSIX-conformant operating systems, a process group denotes a collection
* of one or more processes. Process groups are used to control the distribution
* of signals. A signal directed to a process group is delivered individually to
* all of the processes that are members of the group.
*/
class CORE_POSIX_DLL_PUBLIC ProcessGroup : public Signalable
{
public:
/**
* @brief Accesses the id of this process group.
* @return The id of this process group.
*/
virtual pid_t id() const;
static ProcessGroup invalid();
protected:
friend class Process;
CORE_POSIX_DLL_LOCAL ProcessGroup(pid_t id);
private:
struct CORE_POSIX_DLL_LOCAL Private;
std::shared_ptr<Private> d;
};
}
}
#endif // CORE_POSIX_PROCESS_GROUP_H_
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