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Re^3: PERL issues a "lock can only be used on shared values" when locking a shared hash

by Anonymous Monk
on Apr 26, 2013 at 03:58 UTC ( #1030757=note: print w/ replies, xml ) Need Help??

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  1. or download this
        my %hash :shared;
        $hash{'foo'} = 'bar';
        #lock($hash{'foo'}); # Error
        lock(%hash); # Works
    
  2. or download this
        my %hash :shared;
        my $ref = \%hash;
        lock($ref); # This is equivalent to lock(%hash)
    

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