/*
* 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 .
*
* Authored by: Thomas Voß
*/
#include
namespace core
{
namespace posix
{
struct ProcessGroup::Private
{
pid_t id;
};
pid_t ProcessGroup::id() const
{
return d->id;
}
ProcessGroup::ProcessGroup(pid_t id)
: Signalable(-id), // We rely on ::kill to deliver signals, thus negate the id (see man 2 kill).
d(new Private{id})
{
}
ProcessGroup ProcessGroup::invalid()
{
static const pid_t invalid_pid = 1;
return ProcessGroup(invalid_pid);
}
}
}