cat-file resource pool

Avoid running a large number of git cat-file child processes when run with
a large -J value.

This implementation takes care to avoid adding any overhead to git-annex
when run without -J. When run with -J, there is a small bit of added
overhead, to manipulate the resource pool. That optimisation added a
fair bit of complexity.
This commit is contained in:
Joey Hess 2020-04-20 13:53:27 -04:00
parent 87b7b0f202
commit cee6b344b4
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14 changed files with 243 additions and 47 deletions

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@ -9,7 +9,8 @@
{-# LANGUAGE CPP #-}
module Utility.CoProcess (
CoProcessHandle,
CoProcessHandle(..),
CoProcessState(..),
start,
stop,
query,