Last change
on this file since 075c6d5 was
b2fa3c2,
checked in by Peter A. Buhr <pabuhr@…>, 15 months ago
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fix comments referring to concurrency directory
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-
Property mode set to
100644
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File size:
1.1 KB
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Rev | Line | |
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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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