You might want to run your curl thru something like IPC::System::Simple. Then you can capture the return value and stuff it into $num for return thru the join. 
# in your threads
use IPC::System::Simple
my $exit_value = runx(EXIT_ANY, "some_command", @args);

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In reply to Re: Thread Exit Status by zentara
in thread Thread Exit Status by anshumangoyal

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