| 1 | #!/usr/bin/perl |
1 | #!/usr/bin/perl |
| 2 | |
2 | |
| 3 | use Coro; |
3 | use Coro; |
| 4 | use Coro::Event; |
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| 5 | use Coro::Util; |
4 | use Coro::Util; |
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5 | use Coro::AnyEvent; |
| 6 | |
6 | |
| 7 | use Socket; |
7 | use Socket; |
| 8 | |
8 | |
| 9 | # do some asynchroneous hostname resolution |
9 | # do some asynchronous hostname resolution |
| 10 | |
10 | |
| 11 | async { |
11 | my @pid; |
| 12 | for my $x (1..255) { |
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| 13 | use Data::Dumper; |
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| 14 | async { |
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| 15 | my $addr = "129.13.162.$x"; |
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| 16 | print "$addr => ",(scalar gethostbyaddr inet_aton($addr), AF_INET),"\n"; |
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| 17 | }; |
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| 18 | } |
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| 19 | |
12 | |
| 20 | }; |
13 | for my $x (1..255) { |
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14 | push @pid, async { |
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15 | my $addr = "129.13.162.$x"; |
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16 | print "$addr => ",(scalar gethostbyaddr inet_aton($addr), AF_INET),"\n"; |
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17 | }; |
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18 | } |
| 21 | |
19 | |
| 22 | loop; |
20 | $_->join for @pid; |
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21 | |
