| 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // thread -- |
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| 8 | // |
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| 9 | // Author : Thierry Delisle |
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| 10 | // Created On : Tue Jan 17 12:27:26 2017 |
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| 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Sat Jul 22 09:59:40 2017 |
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| 13 | // Update Count : 3 |
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| 14 | // |
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| 15 | |
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| 16 | #pragma once |
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| 17 | |
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| 18 | #include <assert.h> |
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| 19 | #include "invoke.h" |
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| 20 | |
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| 21 | #include "coroutine" |
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| 22 | #include "monitor" |
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| 23 | |
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| 24 | //----------------------------------------------------------------------------- |
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| 25 | // Coroutine trait |
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| 26 | // Anything that implements this trait can be resumed. |
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| 27 | // Anything that is resumed is a coroutine. |
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| 28 | trait is_thread(dtype T) { |
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| 29 | void ^?{}(T& mutex this); |
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| 30 | void main(T& this); |
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| 31 | thread_desc* get_thread(T& this); |
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| 32 | }; |
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| 33 | |
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| 34 | #define DECL_THREAD(X) thread_desc* get_thread(X& this) { return &this.__thrd; } void main(X& this) |
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| 35 | |
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| 36 | forall( dtype T | is_thread(T) ) |
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| 37 | static inline coroutine_desc* get_coroutine(T & this) { |
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| 38 | return &get_thread(this)->self_cor; |
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| 39 | } |
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| 40 | |
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| 41 | forall( dtype T | is_thread(T) ) |
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| 42 | static inline monitor_desc* get_monitor(T & this) { |
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| 43 | return &get_thread(this)->self_mon; |
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| 44 | } |
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| 45 | |
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| 46 | static inline coroutine_desc* get_coroutine(thread_desc * this) { |
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| 47 | return &this->self_cor; |
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| 48 | } |
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| 49 | |
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| 50 | static inline monitor_desc* get_monitor(thread_desc * this) { |
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| 51 | return &this->self_mon; |
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| 52 | } |
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| 53 | |
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| 54 | extern thread_local thread_desc * volatile this_thread; |
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| 55 | |
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| 56 | forall( dtype T | is_thread(T) ) |
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| 57 | void __thrd_start( T & this ); |
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| 58 | |
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| 59 | //----------------------------------------------------------------------------- |
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| 60 | // Ctors and dtors |
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| 61 | void ?{}(thread_desc& this); |
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| 62 | void ^?{}(thread_desc& this); |
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| 63 | |
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| 64 | //----------------------------------------------------------------------------- |
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| 65 | // thread runner |
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| 66 | // Structure that actually start and stop threads |
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| 67 | forall( dtype T | sized(T) | is_thread(T) ) |
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| 68 | struct scoped { |
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| 69 | T handle; |
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| 70 | }; |
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| 71 | |
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| 72 | forall( dtype T | sized(T) | is_thread(T) | { void ?{}(T&); } ) |
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| 73 | void ?{}( scoped(T)& this ); |
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| 74 | |
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| 75 | forall( dtype T, ttype P | sized(T) | is_thread(T) | { void ?{}(T&, P); } ) |
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| 76 | void ?{}( scoped(T)& this, P params ); |
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| 77 | |
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| 78 | forall( dtype T | sized(T) | is_thread(T) ) |
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| 79 | void ^?{}( scoped(T)& this ); |
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| 80 | |
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| 81 | void yield(); |
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| 82 | void yield( unsigned times ); |
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| 83 | |
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| 84 | // Local Variables: // |
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| 85 | // mode: c // |
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| 86 | // tab-width: 4 // |
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| 87 | // End: // |
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