sig

来自「早期freebsd实现」· 代码 · 共 13 行

sub handler {
    local($sig) = @_;
    print "Caught SIG$sig\n";
    exit(0);
}

$SIG{'INT'} = 'handler';

print "Hit CRTL-C to see if it is trapped\n";
while($_ = <ARGV>) {
    print $_;
}