On 5/11/20 10:54 PM, Michał Górny wrote:
> W dniu nie, 10.05.2020 o godzinie 21∶32 -0700, użytkownik Zac Medico
> napisał:
>> The feature enables finer grained locks for install operations, and
>> everyone agrees that it's safe to enable by default.
> Who's 'everyone' and where's their analysis of the problem?
> The manpage doesn't really help understand what this does, exactly.

Before parallel-install there was just one big lock, so only one package
slot could enter the merge/unmerge state at a given time.

With parallel install, there are a few finer-grained locks that come
into play. These are the really important ones:

* When merging/unmerging files, an exclusive lock must be held on

* When executing an unsandboxed ebuild phase, an exclusive lock must be
held on the FEATURES=ebuild-locks lock.

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