Mercurial > hg > orthanc
annotate Core/MultiThreading/Semaphore.cpp @ 1570:2bd2c280f9b5
fix indentation
author | jodogne |
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date | Sun, 23 Aug 2015 11:13:03 +0200 |
parents | 6e7e5ed91c2d |
children | 0a2ad4a6858f |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "Semaphore.h" |
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34 |
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35 #include "../OrthancException.h" |
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36 |
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37 |
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38 namespace Orthanc |
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39 { |
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40 Semaphore::Semaphore(unsigned int count) : count_(count) |
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41 { |
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42 if (count == 0) |
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43 { |
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44 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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45 } |
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46 } |
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47 |
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48 void Semaphore::Release() |
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49 { |
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50 boost::mutex::scoped_lock lock(mutex_); |
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51 |
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52 count_++; |
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53 condition_.notify_one(); |
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54 } |
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55 |
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56 void Semaphore::Acquire() |
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57 { |
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58 boost::mutex::scoped_lock lock(mutex_); |
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59 |
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60 while (count_ == 0) |
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61 { |
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62 condition_.wait(lock); |
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63 } |
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64 |
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65 count_++; |
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66 } |
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67 } |