ADTast-experimentalenumpthread-emulationqualifiedEnum
Last change
on this file since d8c4fab was
cd26abf,
checked in by Thierry Delisle <tdelisle@…>, 3 years ago
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Added tests for the mpsc lock free queue
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-
Property mode set to
100644
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File size:
1.4 KB
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1 | #include <fstream.hfa> |
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2 | #include <queueLockFree.hfa> |
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3 | #include <thread.hfa> |
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4 | |
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5 | const unsigned int num_times = 50000; |
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6 | |
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7 | struct some_node { |
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8 | some_node * volatile next; |
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9 | single_sem sem; |
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10 | unsigned value; |
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11 | }; |
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12 | |
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13 | void ?{}(some_node & this) { this.next = 0p; } |
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14 | |
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15 | static inline some_node * volatile & ?`next ( some_node * node ) { |
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16 | return node->next; |
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17 | } |
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18 | |
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19 | mpsc_queue(some_node) global_queue; |
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20 | |
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21 | void thrash() { |
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22 | unsigned t[100]; |
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23 | for(i; 100) { |
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24 | t[i] = 0xDEADBEEF; |
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25 | } |
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26 | } |
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27 | |
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28 | thread Producer { |
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29 | size_t sum; |
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30 | }; |
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31 | void ?{}( Producer & this ) { this.sum = 0; } |
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32 | |
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33 | void wait(Producer & this) { |
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34 | some_node node; |
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35 | node.value = (unsigned)&this; |
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36 | push(global_queue, &node); |
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37 | wait(node.sem); |
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38 | this.sum += node.value; |
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39 | } |
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40 | |
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41 | void main(Producer & this) { |
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42 | for(num_times) { |
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43 | thrash(); |
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44 | wait(this); |
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45 | thrash(); |
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46 | yield(random(10)); |
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47 | } |
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48 | } |
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49 | |
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50 | thread Consumer { |
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51 | size_t sum; |
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52 | }; |
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53 | void ?{}(Consumer & this) { this.sum = 0; } |
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54 | void main(Consumer & this) { |
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55 | LOOP: for() { |
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56 | waitfor( ^?{} : this) { |
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57 | break LOOP; |
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58 | } |
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59 | or else {} |
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60 | |
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61 | some_node * node = pop(global_queue); |
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62 | if(node) { |
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63 | this.sum += node->value; |
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64 | post(node->sem); |
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65 | } |
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66 | else yield(); |
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67 | } |
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68 | } |
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69 | |
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70 | int main() { |
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71 | unsigned psum = 0; |
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72 | unsigned csum = -32; |
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73 | processor p[2]; |
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74 | sout | "Starting"; |
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75 | { |
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76 | Consumer cons; |
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77 | { |
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78 | Producer prods[13]; |
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79 | for(i; 13) { |
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80 | psum += join(prods[i]).sum; |
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81 | } |
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82 | } |
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83 | csum = join(cons).sum; |
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84 | } |
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85 | sout | "Done!"; |
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86 | if(psum == csum) sout | "Match!"; |
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87 | else sout | "No Match!"; |
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88 | } |
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