Rev 1124 | Details | Compare with Previous | Last modification | View Log | SVN | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 969 | runge | 1 | /*************************************************************************** |
| 2 | * Copyright (C) November 29, 2008 by Mattias Runge * |
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| 3 | * mattias@runge.se * |
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| 4 | * thread.h * |
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| 5 | * * |
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| 6 | * This program is free software; you can redistribute it and/or modify * |
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| 7 | * it under the terms of the GNU General Public License as published by * |
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| 8 | * the Free Software Foundation; either version 2 of the License, or * |
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| 9 | * (at your option) any later version. * |
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| 10 | * * |
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| 11 | * This program is distributed in the hope that it will be useful, * |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 14 | * GNU General Public License for more details. * |
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| 15 | * * |
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| 16 | * You should have received a copy of the GNU General Public License * |
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| 17 | * along with this program; if not, write to the * |
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| 18 | * Free Software Foundation, Inc., * |
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| 19 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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| 20 | ***************************************************************************/ |
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| 21 | |||
| 22 | #ifndef _THREAD_H |
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| 23 | #define _THREAD_H |
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| 24 | |||
| 25 | #include <pthread.h> |
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| 1124 | runge | 26 | #include <iostream> |
| 969 | runge | 27 | |
| 28 | template <class T> |
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| 29 | class Thread |
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| 30 | { |
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| 31 | public: |
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| 32 | Thread() |
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| 33 | { |
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| 34 | myIsCreated = false; |
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| 35 | myError = 0; |
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| 36 | }; |
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| 1196 | runge | 37 | virtual ~Thread() |
| 969 | runge | 38 | { |
| 39 | stop(); |
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| 40 | }; |
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| 41 | |||
| 42 | bool stop() |
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| 43 | { |
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| 1196 | runge | 44 | |
| 969 | runge | 45 | if (!myIsCreated) |
| 1124 | runge | 46 | { |
| 47 | //cout << "Thread is not running, can not be stopped " << endl; |
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| 969 | runge | 48 | return true; |
| 1124 | runge | 49 | } |
| 1196 | runge | 50 | |
| 1124 | runge | 51 | //cout << "Thread cancel to run " << endl; |
| 1196 | runge | 52 | |
| 53 | myError = pthread_cancel(myHandle); |
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| 54 | //myError = pthread_detach(myHandle); |
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| 1124 | runge | 55 | //cout << "Thread cancel returned " << myError << endl; |
| 1196 | runge | 56 | |
| 57 | |||
| 58 | |||
| 1124 | runge | 59 | //if (joinThread) |
| 60 | { |
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| 1196 | runge | 61 | join(); |
| 1124 | runge | 62 | } |
| 1196 | runge | 63 | |
| 969 | runge | 64 | myIsCreated = false; |
| 65 | |||
| 66 | return myError == 0; |
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| 67 | }; |
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| 1196 | runge | 68 | |
| 969 | runge | 69 | bool start() |
| 70 | { |
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| 71 | myError = pthread_create(&myHandle, NULL, T::doThread, (void*)this); |
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| 1196 | runge | 72 | |
| 969 | runge | 73 | if (myError != 0) |
| 74 | { |
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| 75 | myIsCreated = false; |
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| 76 | return false; |
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| 77 | } |
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| 78 | |||
| 79 | myIsCreated = true; |
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| 80 | return true; |
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| 81 | }; |
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| 999 | runge | 82 | |
| 969 | runge | 83 | bool join() |
| 84 | { |
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| 85 | if (!myIsCreated) |
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| 86 | return false; |
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| 87 | |||
| 88 | myError = pthread_join(myHandle, NULL); |
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| 89 | |||
| 90 | if (myError != 0) |
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| 91 | { |
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| 92 | myIsCreated = false; |
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| 93 | return false; |
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| 94 | } |
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| 95 | |||
| 96 | myIsCreated = true; |
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| 97 | return true; |
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| 98 | }; |
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| 999 | runge | 99 | |
| 969 | runge | 100 | int getError() |
| 101 | { |
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| 102 | return myError; |
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| 103 | }; |
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| 104 | |||
| 105 | static void *doThread(void* ptr) |
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| 106 | { |
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| 107 | ((T*)ptr)->run(); |
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| 108 | }; |
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| 109 | |||
| 999 | runge | 110 | virtual void run() { }; |
| 111 | |||
| 969 | runge | 112 | private: |
| 113 | bool myIsCreated; |
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| 114 | pthread_t myHandle; |
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| 115 | int myError; |
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| 116 | }; |
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| 117 | |||
| 118 | #endif /* _THREAD_H */ |
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| 119 |