Exheredludis/paludis/util/executor.hh
2013-05-22 23:19:18 +01:00

73 lines
2.1 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2009, 2010, 2011, 2012 Ciaran McCreesh
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PALUDIS_GUARD_PALUDIS_UTIL_EXECUTOR_HH
#define PALUDIS_GUARD_PALUDIS_UTIL_EXECUTOR_HH 1
#include <paludis/util/executor-fwd.hh>
#include <paludis/util/pimp.hh>
#include <paludis/util/attributes.hh>
#include <memory>
#include <mutex>
#include <string>
namespace paludis
{
class PALUDIS_VISIBLE Executive
{
public:
virtual ~Executive() = 0;
virtual std::string queue_name() const = 0;
virtual std::string unique_id() const = 0;
virtual bool can_run() const = 0;
virtual void pre_execute_exclusive() = 0;
virtual void execute_threaded() = 0;
virtual void flush_threaded() = 0;
virtual void post_execute_exclusive() = 0;
};
class PALUDIS_VISIBLE Executor
{
private:
Pimp<Executor> _imp;
void _one(const std::shared_ptr<Executive>);
public:
explicit Executor(const int ms_update_interval = 1000);
~Executor();
int pending() const;
int active() const;
int done() const;
void add(const std::shared_ptr<Executive> & x);
void execute();
std::mutex & exclusivity_mutex() PALUDIS_ATTRIBUTE((warn_unused_result));
};
extern template class Pimp<Executor>;
}
#endif