Last change
on this file since f678c53b 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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Rev | Line | |
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[c06551b] | 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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[1f0ee71] | 51 | fulfil(futures[shuffle_arr[i]]); |
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[c06551b] | 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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