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 fef8293 was
d9c44c3,
checked in by Thierry Delisle <tdelisle@…>, 7 years ago
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Implemented coroutine for i386 and added coroutines to tests
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-
Property mode set to
100644
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File size:
1.6 KB
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1 | #include <fstream> |
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2 | #include <threads> |
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3 | |
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4 | struct Fibonacci { |
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5 | coroutine c; |
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6 | coVtable v; |
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7 | int fn; // used for communication |
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8 | }; |
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9 | |
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10 | coroutine* this_coroutine(Fibonacci* this); |
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11 | void co_main(Fibonacci* this); |
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12 | coVtable* vtable(Fibonacci* this); |
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13 | |
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14 | void co_main_fib(void* this) { |
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15 | co_main( (Fibonacci*) this ); |
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16 | } |
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17 | |
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18 | coroutine* this_coroutine_fib(void* this) { |
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19 | return this_coroutine( (Fibonacci*) this); |
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20 | } |
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21 | |
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22 | void ?{}(Fibonacci* this) { |
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23 | this->fn = 0; |
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24 | this->v.main = co_main_fib; |
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25 | this->v.this_coroutine = this_coroutine_fib; |
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26 | start(this); |
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27 | } |
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28 | |
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29 | void co_main(Fibonacci* this) { |
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30 | #ifdef MORE_DEBUG |
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31 | sout | "Starting main of coroutine " | this | endl; |
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32 | sout | "Started from " | this_coroutine(this)->last | endl; |
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33 | #endif |
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34 | int fn1, fn2; // retained between resumes |
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35 | this->fn = 0; |
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36 | fn1 = this->fn; |
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37 | suspend(); // return to last resume |
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38 | |
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39 | this->fn = 1; |
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40 | fn2 = fn1; |
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41 | fn1 = this->fn; |
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42 | suspend(); // return to last resume |
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43 | |
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44 | for ( ;; ) { |
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45 | this->fn = fn1 + fn2; |
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46 | fn2 = fn1; |
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47 | fn1 = this->fn; |
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48 | suspend(); // return to last resume |
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49 | } |
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50 | } |
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51 | |
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52 | int next(Fibonacci* this) { |
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53 | resume(this); // transfer to last suspend |
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54 | return this->fn; |
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55 | } |
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56 | |
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57 | coroutine* this_coroutine(Fibonacci* this) { |
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58 | return &this->c; |
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59 | } |
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60 | |
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61 | coVtable* vtable(Fibonacci* this) { |
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62 | return &this->v; |
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63 | } |
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64 | |
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65 | int main() { |
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66 | Fibonacci f1, f2; |
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67 | #ifdef MORE_DEBUG |
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68 | sout | "User coroutines : " | &f1 | ' ' | &f1 | endl; |
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69 | #endif |
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70 | for ( int i = 1; i <= 10; i += 1 ) { |
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71 | sout | next(&f1) | ' ' | next(&f2) | endl; |
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72 | } |
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73 | |
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74 | return 0; |
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75 | } |
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