ADTast-experimentalpthread-emulation
Last change
on this file since d895e32 was
e2cc3c7,
checked in by Thierry Delisle <tdelisle@…>, 4 years ago
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Attempted fix of multi future test by making server monitor more strict.
It is still not clear that this test stresses futures significantly.
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-
Property mode set to
100644
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File size:
1.6 KB
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1 | #include <thread.hfa> |
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2 | #include <future.hfa> |
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3 | |
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4 | enum {NFUTURES = 10}; |
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5 | |
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6 | thread Server { |
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7 | int pending, done, iteration; |
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8 | multi_future(int) * request; |
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9 | }; |
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10 | |
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11 | void ?{}( Server & this ) { |
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12 | ((thread&)this){"Server Thread"}; |
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13 | this.pending = 0; |
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14 | this.done = 0; |
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15 | this.iteration = 0; |
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16 | this.request = 0p; |
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17 | } |
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18 | |
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19 | void ^?{}( Server & mutex this ) { |
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20 | assert(this.pending == 0); |
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21 | this.request = 0p; |
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22 | } |
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23 | |
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24 | void init( Server & this , multi_future(int) * f ) { |
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25 | this.request = f; |
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26 | } |
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27 | |
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28 | void call( Server & mutex this ) { |
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29 | this.pending++; |
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30 | } |
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31 | |
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32 | void finish( Server & mutex this ) { |
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33 | this.done++; |
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34 | } |
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35 | |
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36 | void main( Server & this ) { |
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37 | MAIN_LOOP: |
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38 | for() { |
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39 | waitfor( ^?{} : this ) { |
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40 | break; |
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41 | } |
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42 | or waitfor( call: this ) { |
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43 | if (this.pending != NFUTURES) { continue MAIN_LOOP; } |
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44 | |
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45 | this.pending = 0; |
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46 | fulfil( *this.request, this.iteration ); |
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47 | this.iteration++; |
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48 | |
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49 | for(NFUTURES) { |
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50 | waitfor( finish: this ); |
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51 | } |
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52 | |
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53 | reset( *this.request ); |
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54 | this.done = 0; |
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55 | } |
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56 | } |
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57 | |
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58 | } |
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59 | |
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60 | Server * the_server; |
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61 | thread Worker {}; |
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62 | void ?{}(Worker & this) { |
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63 | ((thread&)this){"Worker Thread"}; |
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64 | } |
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65 | |
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66 | multi_future(int) * shared_future; |
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67 | |
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68 | void thrash(void) { |
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69 | volatile int locals[250]; |
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70 | for(i; 250) { |
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71 | locals[i] = 0xdeadbeef; |
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72 | } |
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73 | } |
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74 | |
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75 | void work(int num) { |
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76 | call( *the_server ); |
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77 | int res = wait( *shared_future ); |
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78 | if( res != num ) abort(); |
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79 | finish( *the_server ); |
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80 | } |
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81 | |
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82 | void main( Worker & ) { |
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83 | for (i; 10) { |
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84 | thrash(); |
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85 | work(i); |
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86 | thrash(); |
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87 | } |
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88 | } |
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89 | |
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90 | int main() { |
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91 | printf( "start\n" ); // non-empty .expect file |
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92 | processor procs[2]; |
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93 | shared_future = new(); |
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94 | { |
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95 | Server server; |
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96 | the_server = &server; |
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97 | init(server, shared_future); |
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98 | { |
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99 | Worker workers[NFUTURES]; |
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100 | } |
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101 | } |
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102 | delete( shared_future ); |
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103 | printf( "done\n" ); // non-empty .expect file |
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104 | } |
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