Initial Windows agent repository
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OGP64/lib/perl5/5.40/x86_64-cygwin-threads/ops.pm
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OGP64/lib/perl5/5.40/x86_64-cygwin-threads/ops.pm
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package ops;
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our $VERSION = '1.02';
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use Opcode qw(opmask_add opset invert_opset);
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sub import {
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shift;
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# Not that unimport is the preferred form since import's don't
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# accumulate well owing to the 'only ever add opmask' rule.
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# E.g., perl -Mops=:set1 -Mops=:setb is unlikely to do as expected.
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opmask_add(invert_opset opset(@_)) if @_;
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}
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sub unimport {
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shift;
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opmask_add(opset(@_)) if @_;
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}
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1;
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__END__
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=head1 NAME
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ops - Perl pragma to restrict unsafe operations when compiling
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=head1 SYNOPSIS
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perl -Mops=:default ... # only allow reasonably safe operations
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perl -M-ops=system ... # disable the 'system' opcode
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=head1 DESCRIPTION
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Since the C<ops> pragma currently has an irreversible global effect, it is
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only of significant practical use with the C<-M> option on the command line.
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See the L<Opcode> module for information about opcodes, optags, opmasks
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and important information about safety.
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=head1 SEE ALSO
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L<Opcode>, L<Safe>, L<perlrun>
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=cut
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