Paket: libb-cow-perl (0.007-1)

[ Quellcode: libb-cow-perl  ]

additional B helpers to check COW status

B::COW provides some naive additional B helpers to check the COW status of one SvPV.

A COWed SvPV is sharing its string (the PV) with other SvPVs. It's a (kind of) Read Only C string, that would be Copied On Write (COW).

More than one SV can share the same PV, but when one PV need to alter it, it would perform a copy of it, decrease 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 "\0".

That value is limited to 255, after that a new PV would be created,

Markierungen: Software-Entwicklung: Perl-Entwicklung, Bibliotheken, Implementiert in: implemented-in::c, implemented-in::perl, Rolle: Entwicklungs-Bibliothek

Andere Pakete mit Bezug zu libb-cow-perl

• dep: libc6 (>= 2.22)

  GNU-C-Bibliothek: Laufzeitbibliotheken
  auch ein virtuelles Paket, bereitgestellt durch libc6-udeb

• dep: perl (>= 5.36.0-4)

  Larry Wall's Practical Extraction und Report Language

• dep: perlapi-5.36.0

  virtuelles Paket, bereitgestellt durch perl-base

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