1 | // -*- Mode: CFA -*- |
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2 | // |
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3 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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4 | // |
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5 | // The contents of this file are covered under the licence agreement in the |
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6 | // file "LICENCE" distributed with Cforall. |
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7 | // |
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8 | // thread -- |
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9 | // |
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10 | // Author : Thierry Delisle |
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11 | // Created On : Tue Jan 17 12:27:26 2017 |
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12 | // Last Modified By : Thierry Delisle |
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13 | // Last Modified On : -- |
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14 | // Update Count : 0 |
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15 | // |
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16 | |
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17 | #ifndef THREADS_H |
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18 | #define THREADS_H |
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19 | |
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20 | #include "assert" |
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21 | #include "invoke.h" |
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22 | |
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23 | #include "coroutine" |
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24 | #include "monitor" |
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25 | |
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26 | //----------------------------------------------------------------------------- |
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27 | // Coroutine trait |
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28 | // Anything that implements this trait can be resumed. |
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29 | // Anything that is resumed is a coroutine. |
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30 | trait is_thread(dtype T) { |
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31 | void ^?{}(T& mutex this); |
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32 | void main(T* this); |
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33 | thread_desc* get_thread(T* this); |
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34 | }; |
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35 | |
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36 | #define DECL_THREAD(X) thread_desc* get_thread(X* this) { return &this->__thrd; } void main(X* this) |
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37 | |
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38 | forall( dtype T | is_thread(T) ) |
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39 | static inline coroutine_desc* get_coroutine(T* this) { |
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40 | return &get_thread(this)->cor; |
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41 | } |
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42 | |
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43 | forall( dtype T | is_thread(T) ) |
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44 | static inline monitor_desc* get_monitor(T * this) { |
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45 | return &get_thread(this)->mon; |
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46 | } |
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47 | |
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48 | static inline coroutine_desc* get_coroutine(thread_desc * this) { |
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49 | return &this->cor; |
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50 | } |
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51 | |
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52 | static inline monitor_desc* get_monitor(thread_desc * this) { |
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53 | return &this->mon; |
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54 | } |
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55 | |
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56 | extern volatile thread_local thread_desc * this_thread; |
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57 | |
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58 | forall( dtype T | is_thread(T) ) |
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59 | void __thrd_start( T* this ); |
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60 | |
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61 | //----------------------------------------------------------------------------- |
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62 | // Ctors and dtors |
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63 | void ?{}(thread_desc& this); |
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64 | void ^?{}(thread_desc& this); |
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65 | |
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66 | //----------------------------------------------------------------------------- |
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67 | // thread runner |
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68 | // Structure that actually start and stop threads |
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69 | forall( dtype T | sized(T) | is_thread(T) ) |
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70 | struct scoped { |
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71 | T handle; |
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72 | }; |
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73 | |
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74 | forall( dtype T | sized(T) | is_thread(T) | { void ?{}(T&); } ) |
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75 | void ?{}( scoped(T)& this ); |
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76 | |
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77 | forall( dtype T, ttype P | sized(T) | is_thread(T) | { void ?{}(T&, P); } ) |
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78 | void ?{}( scoped(T)& this, P params ); |
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79 | |
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80 | forall( dtype T | sized(T) | is_thread(T) ) |
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81 | void ^?{}( scoped(T)& this ); |
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82 | |
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83 | void yield(); |
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84 | void yield( unsigned times ); |
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85 | |
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86 | #endif //THREADS_H |
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87 | |
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88 | // Local Variables: // |
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89 | // mode: c // |
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90 | // tab-width: 4 // |
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91 | // End: // |
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