Last change
on this file since 3ef5905 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
|
-
Property mode set to
100644
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File size:
1.6 KB
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Rev | Line | |
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[44e37ef] | 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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[e2cc3c7] | 7 | int pending, done, iteration; |
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[44e37ef] | 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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[76c94bf] | 12 | ((thread&)this){"Server Thread"}; |
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[e2cc3c7] | 13 | this.pending = 0; |
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| 14 | this.done = 0; |
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[44e37ef] | 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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[e2cc3c7] | 20 | assert(this.pending == 0); |
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| 21 | this.request = 0p; |
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[44e37ef] | 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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[e2cc3c7] | 29 | this.pending++; |
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[44e37ef] | 30 | } |
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| 31 | |
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[e2cc3c7] | 32 | void finish( Server & mutex this ) { |
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| 33 | this.done++; |
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| 34 | } |
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[44e37ef] | 35 | |
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| 36 | void main( Server & this ) { |
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[e2cc3c7] | 37 | MAIN_LOOP: |
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[44e37ef] | 38 | for() { |
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| 39 | waitfor( ^?{} : this ) { |
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| 40 | break; |
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| 41 | } |
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[e2cc3c7] | 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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[44e37ef] | 51 | } |
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[e2cc3c7] | 52 | |
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| 53 | reset( *this.request ); |
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| 54 | this.done = 0; |
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[44e37ef] | 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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[76c94bf] | 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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[44e37ef] | 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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