Last change
on this file since 7fe4adbb was
c26bea2a,
checked in by Peter A. Buhr <pabuhr@…>, 15 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 | |
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3 | enum {NFUTURES = 10}; |
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4 | |
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5 | thread Server { |
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6 | int cnt; |
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7 | future_t * requests[NFUTURES]; |
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8 | }; |
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9 | |
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10 | void ?{}( Server & this ) { |
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11 | this.cnt = 0; |
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12 | for(i; NFUTURES) { |
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13 | this.requests[i] = 0p; |
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14 | } |
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15 | } |
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16 | |
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17 | void ^?{}( Server & mutex this ) { |
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18 | assert(this.cnt == 0); |
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19 | for(i; NFUTURES) { |
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20 | this.requests[i] = 0p; |
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21 | } |
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22 | } |
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23 | |
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24 | void process( Server & this, int i ) { |
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25 | if( this.requests[i] == 0p ) return; |
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26 | future_t * f = this.requests[i]; |
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27 | this.requests[i] = 0p; |
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28 | this.cnt--; |
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29 | fulfil( *f ); |
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30 | } |
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31 | |
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32 | void call( Server & mutex this, future_t & f ) { |
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33 | for(i; NFUTURES) { |
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34 | if( this.requests[i] == 0p ) { |
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35 | this.requests[i] = &f; |
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36 | this.cnt++; |
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37 | return; |
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38 | } |
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39 | } |
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40 | abort("Monitor Error"); |
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41 | } |
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42 | |
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43 | void main( Server & this ) { |
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44 | unsigned i = 0; |
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45 | for() { |
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46 | waitfor( ^?{} : this ) { |
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47 | break; |
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48 | } |
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49 | or when( this.cnt < NFUTURES ) waitfor( call: this ) {} |
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50 | or else { |
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51 | process( this, i % NFUTURES ); |
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52 | i++; |
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53 | } |
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54 | } |
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55 | |
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56 | for(i; NFUTURES) { |
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57 | process( this, i ); |
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58 | } |
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59 | } |
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60 | |
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61 | Server * the_server; |
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62 | thread Worker {}; |
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63 | |
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64 | void thrash(void) { |
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65 | volatile int locals[250]; |
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66 | for(i; 250) { |
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67 | locals[i] = 0xdeadbeef; |
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68 | } |
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69 | } |
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70 | |
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71 | void work(int i) { |
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72 | future_t *mine = new(); |
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73 | call( *the_server, *mine ); |
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74 | if (i % 2 == 0) { |
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75 | abandon( *mine ); |
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76 | } else { |
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77 | wait( *mine ); |
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78 | delete( mine ); |
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79 | } |
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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;150) { |
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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 | { |
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94 | Server server; |
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95 | the_server = &server; |
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96 | { |
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97 | Worker workers[17]; |
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98 | } |
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99 | } |
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100 | printf( "done\n" ); // non-empty .expect file |
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101 | |
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102 | } |
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