Last change
on this file since d7b399f 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
|
File size:
648 bytes
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Rev | Line | |
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[e8b8e65] | 1 | #include <barrier.hfa> |
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| 2 | #include <fstream.hfa> |
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| 3 | #include <kernel.hfa> |
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| 4 | #include <once.hfa> |
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| 5 | #include <thread.hfa> |
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| 6 | |
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| 7 | once_flag global; |
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| 8 | |
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| 9 | volatile int check; |
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| 10 | |
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| 11 | void reset() { |
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| 12 | (global){}; |
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| 13 | check = 0; |
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| 14 | } |
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| 15 | |
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| 16 | void must_once(void) { |
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| 17 | int prev = __atomic_fetch_add( &check, 1, __ATOMIC_SEQ_CST ); |
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| 18 | if(prev != 0) { |
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| 19 | abort | "'must_once' appears to have been called more than once, check was" | prev; |
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| 20 | } |
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| 21 | } |
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| 22 | |
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| 23 | barrier barr = { 11 }; |
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| 24 | |
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| 25 | thread Tester {}; |
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| 26 | |
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| 27 | void main( Tester & this ) { |
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| 28 | for(500) { |
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| 29 | block( barr, reset ); |
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| 30 | |
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| 31 | // sometime yields |
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[7bc84b8] | 32 | yield( prng(this, 3) ); |
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[e8b8e65] | 33 | } |
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| 34 | } |
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| 35 | |
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| 36 | int main() { |
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| 37 | processor p[2]; |
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| 38 | |
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| 39 | sout | "starting"; |
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| 40 | { |
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| 41 | Tester testers[11]; |
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| 42 | } |
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| 43 | sout | "done"; |
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[d2ad151] | 44 | } |
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