Mercurial > hg > orthanc

comparison Core/MultiThreading/Semaphore.h @ 2884:497a637366b4 db-changes

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
integration mainline->db-changes
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 12 Oct 2018 15:18:10 +0200
parents 6e7e5ed91c2d f790999a250a
children 4e43e67f8ecf
comparison
equal deleted inserted replaced
1762:2b91363cc1d1 2884:497a637366b4
1 /** 1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store 2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium 4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
5 * 6 *
6 * This program is free software: you can redistribute it and/or 7 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as 8 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the 9 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version. 10 * License, or (at your option) any later version.
41 { 42 {
42 private: 43 private:
43 unsigned int count_; 44 unsigned int count_;
44 boost::mutex mutex_; 45 boost::mutex mutex_;
45 boost::condition_variable condition_; 46 boost::condition_variable condition_;
47
48 void Release();
49
50 void Acquire();
46 51
47 public: 52 public:
48 explicit Semaphore(unsigned int count); 53 explicit Semaphore(unsigned int count);
49 54
50 void Release(); 55 class Locker : public boost::noncopyable
56 {
57 private:
58 Semaphore& that_;
51 59
52 void Acquire(); 60 public:
61 explicit Locker(Semaphore& that) :
62 that_(that)
63 {
64 that_.Acquire();
65 }
66
67 ~Locker()
68 {
69 that_.Release();
70 }
71 };
53 }; 72 };
54 } 73 }