paludis  Version 2.6.0
executor.hh
1 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
2 
3 /*
4  * Copyright (c) 2009, 2010, 2011, 2012 Ciaran McCreesh
5  *
6  * This file is part of the Paludis package manager. Paludis is free software;
7  * you can redistribute it and/or modify it under the terms of the GNU General
8  * Public License version 2, as published by the Free Software Foundation.
9  *
10  * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
11  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13  * details.
14  *
15  * You should have received a copy of the GNU General Public License along with
16  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
17  * Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 
20 #ifndef PALUDIS_GUARD_PALUDIS_UTIL_EXECUTOR_HH
21 #define PALUDIS_GUARD_PALUDIS_UTIL_EXECUTOR_HH 1
22 
23 #include <paludis/util/executor-fwd.hh>
24 #include <paludis/util/pimp.hh>
26 #include <memory>
27 #include <mutex>
28 #include <string>
29 
30 namespace paludis
31 {
33  {
34  public:
35  virtual ~Executive() = 0;
36 
37  virtual std::string queue_name() const = 0;
38  virtual std::string unique_id() const = 0;
39  virtual bool can_run() const = 0;
40 
41  virtual void pre_execute_exclusive() = 0;
42  virtual void execute_threaded() = 0;
43  virtual void flush_threaded() = 0;
44  virtual void post_execute_exclusive() = 0;
45  };
46 
48  {
49  private:
50  Pimp<Executor> _imp;
51 
52  void _one(const std::shared_ptr<Executive>);
53 
54  public:
55  explicit Executor(const int ms_update_interval = 1000);
56  ~Executor();
57 
58  int pending() const;
59  int active() const;
60  int done() const;
61 
62  void add(const std::shared_ptr<Executive> & x);
63 
64  void execute();
65 
66  std::mutex & exclusivity_mutex() PALUDIS_ATTRIBUTE((warn_unused_result));
67  };
68 
69  extern template class Pimp<Executor>;
70 }
71 
72 #endif
Definition: pimp.hh:51
Definition: about_metadata-fwd.hh:23
Definition: executor.hh:47
Definition: executor.hh:32
#define PALUDIS_ATTRIBUTE(x)
Definition: attributes.hh:53
#define PALUDIS_VISIBLE
Definition: attributes.hh:59