… | … | ||
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7 | use Errno (); | 7 | use Errno (); |
8 | use Time::HiRes; | 8 | use Time::HiRes; |
9 | use Fcntl; | 9 | use Fcntl; |
10 | use IO::AIO; | 10 | use IO::AIO; |
11 | 11 | ||
12 | # find all potential exit paths, this is slow, so this info is cached | ||
12 | sub find_exits { | 13 | sub find_exits { |
13 | my ($map) = @_; | 14 | my ($map) = @_; |
14 | 15 | ||
15 | my %exit; | 16 | my %exit; |
16 | 17 |
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