Last change
on this file since 0f5e8cd was
c26bea2a,
checked in by Peter A. Buhr <pabuhr@…>, 17 months ago
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first attempt at renaming directory tests/concurrent to tests/concurrency to harmonize with other concurrency directory names
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-
Property mode set to
100644
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File size:
1.5 KB
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1 | #include <thread.hfa> |
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2 | #include <fstream.hfa> |
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3 | #include <stdlib.hfa> |
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4 | #include <mutex_stmt.hfa> |
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5 | #include <locks.hfa> |
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6 | |
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7 | simple_owner_lock l; |
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8 | pthread_cond_var( simple_owner_lock ) c; |
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9 | |
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10 | size_t num_futures = 10; |
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11 | |
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12 | future_t * futures; |
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13 | |
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14 | size_t * shuffle_arr; |
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15 | |
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16 | size_t numtimes = 10; |
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17 | |
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18 | volatile bool done = false; |
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19 | |
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20 | void synchronize() { |
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21 | lock(l); |
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22 | if (empty(c)) { |
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23 | wait(c,l); |
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24 | } else { |
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25 | for ( i; num_futures ) { |
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26 | reset(futures[i]); |
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27 | } |
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28 | notify_one(c); |
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29 | } |
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30 | unlock(l); |
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31 | } |
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32 | |
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33 | thread Waiter {}; |
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34 | void main( Waiter & this ) { |
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35 | for (numtimes) { |
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36 | wait_any(futures, num_futures); |
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37 | synchronize(); |
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38 | } |
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39 | done = true; |
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40 | while (done) notify_one(c); |
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41 | } |
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42 | |
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43 | thread Deliverer {}; |
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44 | void main( Deliverer & this ) { |
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45 | while (!done) { |
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46 | size_t num_satisfy = random(1,num_futures); |
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47 | for ( i; num_satisfy ) { // random shuffle a few values |
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48 | swap( shuffle_arr[random(num_futures)], shuffle_arr[random(num_futures)] ); |
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49 | } |
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50 | for ( i; num_satisfy ) { |
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51 | fulfil(futures[shuffle_arr[i]]); |
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52 | } |
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53 | synchronize(); |
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54 | } |
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55 | done = false; |
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56 | } |
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57 | |
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58 | int main() { |
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59 | sout | "start"; |
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60 | futures = alloc( num_futures ); |
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61 | shuffle_arr = alloc( num_futures ); |
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62 | for ( i; num_futures ) { // random shuffle a few values |
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63 | futures[i]{}; |
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64 | swap( shuffle_arr[random(num_futures)], shuffle_arr[random(num_futures)] ); |
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65 | } |
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66 | for ( i; num_futures ) { |
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67 | shuffle_arr[i] = i; |
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68 | } |
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69 | processor procs[1]; |
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70 | { |
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71 | Waiter w; |
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72 | Deliverer d; |
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73 | } |
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74 | free( futures ); |
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75 | free( shuffle_arr ); |
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76 | sout | "done"; |
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77 | } |
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