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[ Bron: libb-cow-perl  ]

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

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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,

Tags: Softwareontwikkeling: Ontwikkelen in Perl, Bibliotheken, Implemented in: implemented-in::c, implemented-in::perl, Role: Development Library

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libb-cow-perl downloaden

Pakket downloaden voor alle beschikbare platforms
Platform Pakketgrootte Geïnstalleerde grootte Bestanden
amd64 8,9 kB43,0 kB [overzicht]
arm64 8,9 kB95,0 kB [overzicht]
armel 8,7 kB95,0 kB [overzicht]
armhf 8,6 kB95,0 kB [overzicht]
i386 8,9 kB43,0 kB [overzicht]
mips64el 8,9 kB96,0 kB [overzicht]
mipsel 8,7 kB95,0 kB [overzicht]
ppc64el 9,1 kB95,0 kB [overzicht]
s390x 8,9 kB39,0 kB [overzicht]