| 1 |
root |
1.1 |
$|=1; |
| 2 |
root |
1.2 |
print "1..2\n"; |
| 3 |
root |
1.1 |
|
| 4 |
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use Coro; |
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use Coro::Semaphore; |
| 6 |
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| 7 |
root |
1.3 |
{ |
| 8 |
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my $sem = new Coro::Semaphore 2; |
| 9 |
root |
1.1 |
|
| 10 |
root |
1.3 |
my $rand = 0; |
| 11 |
root |
1.1 |
|
| 12 |
root |
1.3 |
sub xrand { |
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$rand = ($rand * 121 + 2121) % 212121; |
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$rand / 212120 |
| 15 |
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} |
| 16 |
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| 17 |
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my $counter; |
| 18 |
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| 19 |
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$_->join for |
| 20 |
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map { |
| 21 |
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async { |
| 22 |
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my $current = $Coro::current; |
| 23 |
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for (1..100) { |
| 24 |
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cede if 0.2 > xrand; |
| 25 |
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Coro::async_pool { $current->ready } if 0.2 > xrand; |
| 26 |
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$counter += $sem->count; |
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my $guard = $sem->guard; |
| 28 |
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cede; cede; cede; cede; |
| 29 |
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} |
| 30 |
root |
1.1 |
} |
| 31 |
root |
1.3 |
} 1..15 |
| 32 |
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; |
| 33 |
root |
1.1 |
|
| 34 |
root |
1.3 |
print $counter == 998 ? "" : "not ", "ok 1 # $counter\n"; |
| 35 |
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} |
| 36 |
root |
1.2 |
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| 37 |
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{ |
| 38 |
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my $sem = new Coro::Semaphore 0; |
| 39 |
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| 40 |
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$as1 = async { |
| 41 |
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my $g = $sem->guard; |
| 42 |
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print "not ok 2\n"; |
| 43 |
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}; |
| 44 |
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| 45 |
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$as2 = async { |
| 46 |
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my $g = $sem->guard; |
| 47 |
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print "ok 2\n"; |
| 48 |
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}; |
| 49 |
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| 50 |
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cede; |
| 51 |
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| 52 |
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$sem->up; # wake up as1 |
| 53 |
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$as1->cancel; # destroy as1 before it could ->guard |
| 54 |
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$as1->join; |
| 55 |
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$as2->join; |
| 56 |
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} |
| 57 |
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| 58 |
root |
1.1 |
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