| 1 |
$|=1; |
| 2 |
print "1..2\n"; |
| 3 |
|
| 4 |
use Coro; |
| 5 |
use Coro::Semaphore; |
| 6 |
|
| 7 |
my $sem = new Coro::Semaphore 2; |
| 8 |
|
| 9 |
my $rand = 0; |
| 10 |
|
| 11 |
sub xrand { |
| 12 |
$rand = ($rand * 121 + 2121) % 212121; |
| 13 |
$rand / 212120 |
| 14 |
} |
| 15 |
|
| 16 |
my $counter; |
| 17 |
|
| 18 |
$_->join for |
| 19 |
map { |
| 20 |
async { |
| 21 |
my $current = $Coro::current; |
| 22 |
for (1..100) { |
| 23 |
cede if 0.2 > xrand; |
| 24 |
Coro::async_pool { $current->ready } if 0.2 > xrand; |
| 25 |
$counter += $sem->count; |
| 26 |
my $guard = $sem->guard; |
| 27 |
cede; cede; cede; cede; |
| 28 |
} |
| 29 |
} |
| 30 |
} 1..15 |
| 31 |
; |
| 32 |
|
| 33 |
print $counter == 750 ? "" : "not ", "ok 1 # $counter\n"; |
| 34 |
|
| 35 |
{ |
| 36 |
my $sem = new Coro::Semaphore 0; |
| 37 |
|
| 38 |
$as1 = async { |
| 39 |
my $g = $sem->guard; |
| 40 |
print "not ok 2\n"; |
| 41 |
}; |
| 42 |
|
| 43 |
$as2 = async { |
| 44 |
my $g = $sem->guard; |
| 45 |
print "ok 2\n"; |
| 46 |
}; |
| 47 |
|
| 48 |
cede; |
| 49 |
|
| 50 |
$sem->up; # wake up as1 |
| 51 |
$as1->cancel; # destroy as1 before it could ->guard |
| 52 |
$as1->join; |
| 53 |
$as2->join; |
| 54 |
} |
| 55 |
|
| 56 |
|
