ACT-CV - Machine Vision for Cognitive Modeling
Condition.h
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1 // -*- mode: c++; indent-tabs-mode: nil; c-basic-offset: 4; coding: iso-8859-1; -*-
2 
3 /*
4 ACT-CV - Machine Vision for Cognitive Modeling
5 Copyright (c) 2008 Marc Halbruegge
6 
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11 
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21 
22 #pragma once
23 
28 #include <condition_variable>
29 #include <mutex>
30 
31 #include <boost/noncopyable.hpp>
32 
33 namespace mhthreads {
34 
35 class Condition : public boost::noncopyable {
36  std::condition_variable cond_;
37  std::mutex mutex_;
38 
39 public:
41  }
42 
43  void Signal() {
44  cond_.notify_one();
45  }
47  int Wait() {
48  std::unique_lock<std::mutex> lock(mutex_);
49  cond_.wait(lock);
50  return 0;
51  }
53  int TimedWait(unsigned int sec, unsigned int nsec) {
54  std::unique_lock<std::mutex> lock(mutex_);
55 #ifdef __GNUC__
56  return cond_.wait_for(lock, std::chrono::nanoseconds(sec*1000000 + nsec)) == std::cv_status::no_timeout
57  ? 0
58  : 1;
59 #else
60  return cond_.wait_for(lock, std::chrono::nanoseconds(sec*1000000 + nsec)) ? 0 : 1;
61 #endif
62  }
63 };
64 
65 
66 }; // end of namespace mhthreads
67 


ACT-CV - Machine Vision for Cognitive Modeling
© 2015 Marc Halbruegge (actcvlibrary@googlemail.com)