Last change
on this file since 3a7aa94 was b2fa3c2, checked in by Peter A. Buhr <pabuhr@…>, 2 years ago |
fix comments referring to concurrency directory
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File size:
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[5f53cc3] | 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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[b2fa3c2] | 7 | // barrier_sleeper.cfa -- testing the ready-queue
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[5f53cc3] | 8 | //
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| 9 | // Author : Thierry Delisle
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| 10 | // Created On : Fri Apr 01 14:01:00 2022
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| 11 | // Last Modified By :
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| 12 | // Last Modified On :
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| 13 | // Update Count :
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| 14 | //
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| 15 |
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| 16 | // Test validates that processors running out of work repeatedly won't deadlock
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| 17 | // Processors and thread are removed in an interleaved fashion for a weirder case.
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| 18 |
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| 19 | #include <concurrency/barrier.hfa>
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| 20 | #include <fstream.hfa>
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| 21 | #include <time.hfa>
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| 22 | #include <thread.hfa>
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| 23 |
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| 24 | const unsigned NUM_LAPS = 173;
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| 25 | const unsigned NUM_THREADS = 11;
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| 26 |
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| 27 | barrier bar = { NUM_THREADS };
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| 28 |
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| 29 | thread Eager {};
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| 30 | void main( Eager & ) {
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| 31 | for(NUM_LAPS) {
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| 32 | block(bar);
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| 33 | }
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| 34 | }
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| 35 |
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| 36 | thread Sleeper{};
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| 37 | void main( Sleeper & ) {
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| 38 | for(NUM_LAPS) {
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| 39 | sleep(500`us);
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| 40 | block(bar);
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| 41 | }
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| 42 | }
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| 43 |
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| 44 | int main() {
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| 45 | {
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| 46 | processor p1[2];
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| 47 | {
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| 48 | if (NUM_THREADS <= 4) sout | "Insufficient threads";
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| 49 | Eager e[NUM_THREADS - 3];
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| 50 | {
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| 51 | processor p2[2];
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| 52 | {
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| 53 | Sleeper s[3];
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| 54 | }
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| 55 | }
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| 56 | }
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| 57 | }
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| 58 | sout | "Done";
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[b2fa3c2] | 59 | }
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