ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change
on this file since 78b3f52 was
78b3f52,
checked in by Thierry Delisle <tdelisle@…>, 8 years ago
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Ugly but working coroutines
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Property mode set to
100644
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File size:
2.0 KB
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[78b3f52] | 1 | // -*- Mode: CFA -*- |
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[0e76cf4f] | 2 | // |
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[78b3f52] | 3 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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[0e76cf4f] | 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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[78b3f52] | 8 | // threads -- |
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[0e76cf4f] | 9 | // |
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[78b3f52] | 10 | // Author : Thierry Delisle |
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| 11 | // Created On : Mon Nov 28 12:27:26 2016 |
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| 12 | // Last Modified By : Thierry Delisle |
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| 13 | // Last Modified On : Mon Nov 28 12:27:26 2016 |
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| 14 | // Update Count : 0 |
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[0e76cf4f] | 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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[9129a84] | 20 | #include <stdbool.h> |
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[0e76cf4f] | 21 | |
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[78b3f52] | 22 | extern "C" { |
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| 23 | struct coVtable { |
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| 24 | void (*main)(void*); |
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| 25 | struct coroutine* (*this_coroutine)(void*); |
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| 26 | }; |
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| 27 | |
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| 28 | struct coStack_t { |
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| 29 | unsigned int size; // size of stack |
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| 30 | void *storage; // pointer to stack |
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| 31 | void *limit; // stack grows towards stack limit |
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| 32 | void *base; // base of stack |
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| 33 | void *context; // address of cfa_context_t |
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| 34 | void *top; // address of top of storage |
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| 35 | bool userStack; |
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| 36 | }; |
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| 37 | |
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| 38 | |
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| 39 | enum coroutine_state { Start, Inactive, Active, Halt }; |
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| 40 | |
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| 41 | struct coroutine { |
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| 42 | coStack_t stack; |
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| 43 | const char *name; // textual name for coroutine/task, initialized by uC++ generated code |
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| 44 | int errno_; // copy of global UNIX variable errno |
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| 45 | coroutine_state state; // current execution status for coroutine |
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| 46 | bool notHalted; // indicate if execuation state is not halted |
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| 47 | |
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| 48 | coroutine *starter; // first coroutine to resume this one |
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| 49 | coroutine *last; // last coroutine to resume this one |
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| 50 | }; |
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| 51 | } |
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| 52 | |
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| 53 | void ?{}(coStack_t* this); |
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[0e76cf4f] | 54 | |
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[9129a84] | 55 | void ?{}(coroutine* this); |
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| 56 | |
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[0e76cf4f] | 57 | trait coroutine_t(dtype T) { |
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| 58 | coroutine* this_coroutine(T* this); |
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[78b3f52] | 59 | void co_main(T* this); |
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| 60 | coVtable* vtable(T* this); |
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[0e76cf4f] | 61 | }; |
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| 62 | |
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[78b3f52] | 63 | forall(dtype T | coroutine_t(T)) |
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| 64 | void start(T* cor); |
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| 65 | |
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[9129a84] | 66 | void suspend(void); |
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[0e76cf4f] | 67 | |
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| 68 | forall(dtype T | coroutine_t(T)) |
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| 69 | void resume(T* cor); |
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| 70 | |
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| 71 | #endif //__THREADS_H__ |
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[78b3f52] | 72 | |
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| 73 | // Local Variables: // |
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| 74 | // mode: c // |
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| 75 | // tab-width: 4 // |
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| 76 | // End: // |
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