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Postings from November 2003
% perl-5.8.1-ithread -le 'use threads; require Config; \
threads->new(sub { })->detach; print Config::myconfig()'
Modification of a read-only value attempted at
/home/stas/perl/5.8.1-ithread/lib/5.8.1/i686-linux-thread-multi/Config.pm line 88.
it was reported by Juanma Barranquero on the modperl dev list. Juanma is
running a threaded mod_perl 2.0, but as you can see the problem is easy to
reproduce with just creating one ithread in plain perl.
As Juanma points out the problem comes from:
our $summary : unique = ...
in Config.pm, because the 'unique' attribute has the effect of making the
global readonly when the first new interpreter is cloned (for
example, when the first new thread is created). (from the perlfunc manpage)
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Stas Bekman JAm_pH ------> Just Another mod_perl Hacker
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