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1 | // -*- C++ -*- |
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2 | |
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3 | #ifndef _FRED_H_ |
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4 | #define _FRED_H_ |
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5 | |
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6 | /// A thread-wrapper of childlike simplicity :). |
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7 | |
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8 | #if defined(_WIN32) |
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9 | |
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10 | #include <windows.h> |
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11 | #include <process.h> |
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12 | |
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13 | #elif defined(__SVR4) |
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14 | |
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15 | #include <thread.h> |
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16 | #include <pthread.h> |
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17 | #include <unistd.h> |
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18 | |
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19 | #else |
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20 | |
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21 | #include <pthread.h> |
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22 | #include <unistd.h> |
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23 | |
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24 | #endif |
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25 | |
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26 | namespace HL { |
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27 | |
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28 | extern "C" typedef void * (*ThreadFunctionType) (void *); |
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29 | |
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30 | class Fred { |
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31 | public: |
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32 | |
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33 | Fred (void) { |
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34 | #if !defined(_WIN32) |
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35 | pthread_attr_init (&attr); |
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36 | #endif |
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37 | } |
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38 | |
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39 | ~Fred (void) { |
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40 | #if !defined(_WIN32) |
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41 | pthread_attr_destroy (&attr); |
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42 | #endif |
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43 | } |
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44 | |
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45 | void create (ThreadFunctionType function, void * arg) { |
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46 | #if defined(_WIN32) |
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47 | t = CreateThread (0, 0, (LPTHREAD_START_ROUTINE) *function, (LPVOID) arg, 0, 0); |
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48 | #else |
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49 | pthread_create (&t, &attr, function, arg); |
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50 | #endif |
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51 | } |
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52 | |
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53 | void join (void) { |
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54 | #if defined(_WIN32) |
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55 | WaitForSingleObject (t, INFINITE); |
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56 | #else |
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57 | pthread_join (t, NULL); |
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58 | #endif |
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59 | } |
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60 | |
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61 | static void yield (void) { |
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62 | #if defined(_WIN32) |
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63 | Sleep (0); |
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64 | #elif defined(__SVR4) |
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65 | thr_yield(); |
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66 | #else |
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67 | sched_yield(); |
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68 | #endif |
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69 | } |
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70 | |
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71 | |
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72 | static void setConcurrency (int n) { |
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73 | #if defined(_WIN32) |
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74 | #elif defined(__SVR4) |
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75 | thr_setconcurrency (n); |
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76 | #else |
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77 | pthread_setconcurrency (n); |
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78 | #endif |
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79 | } |
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80 | |
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81 | |
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82 | private: |
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83 | #if defined(_WIN32) |
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84 | typedef HANDLE FredType; |
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85 | #else |
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86 | typedef pthread_t FredType; |
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87 | pthread_attr_t attr; |
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88 | #endif |
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89 | |
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90 | FredType t; |
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91 | }; |
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92 | |
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93 | } |
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94 | |
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95 | |
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96 | #endif |
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