https://bugzilla.redhat.com/show_bug.cgi?id=1826270
Bug ID: 1826270
Summary: Review Request: perl-B-COW - Additional B helpers to
check Copy On Write status
Product: Fedora
Version: rawhide
Hardware: All
OS: Linux
Status: NEW
Component: Package Review
Severity: medium
Priority: medium
Assignee: nobody(a)fedoraproject.org
Reporter: paul(a)city-fan.org
QA Contact: extras-qa(a)fedoraproject.org
CC: package-review(a)lists.fedoraproject.org
Target Milestone: ---
Classification: Fedora
Spec URL:
http://subversion.city-fan.org/repos/cfo-repo/perl-B-COW/branches/fedora/...
SRPM URL:
http://www.city-fan.org/~paul/extras/perl-B-COW/perl-B-COW-0.003-2.fc33.s...
Description:
B::COW provides some naïve additional B helpers to check the Copy On Write
(COW) status of one SvPV (a Perl string variable).
A COWed SvPV is sharing its string (the PV) with other SvPVs. It's a (kind of)
Read Only C string, which would be Copied On Write (COW). More than one SV can
share the same PV, but when one PV needs to alter it, it would perform a copy
of it, decreasing the COWREFCNT counter. One SV can then drop the COW flag when
it's the only one holding a pointer to the PV. The COWREFCNT is stored at the
end of the PV, after the null byte terminating the string. That value is
limited to 255: when we reach 255, a new PV would be created.
Fedora Account System Username: pghmcfc
This package is needed for the test suite of perl-Clone 0.44.
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