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Non-blocking garbage collector

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The garbage collector no longer blocks other processes from
adding/building store paths or adding GC roots. To prevent the
collector from deleting store paths just added by another process,
processes need to connect to the garbage collector via a Unix domain
socket to register new temporary roots.
This commit is contained in:
Eelco Dolstra 2021-08-16 20:03:32 +02:00
parent 9947f1646a
commit 8614cf1334
11 changed files with 344 additions and 272 deletions
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2
tests/ca/build-with-garbage-path.sh
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@ -8,7 +8,7 @@ requireDaemonNewerThan "2.4pre20210621"
# Get the output path of `rootCA`, and put some garbage instead
outPath="$(nix-build ./content-addressed.nix -A rootCA --no-out-link)"
nix-store --delete "$outPath"
nix-store --delete $(nix-store -q --referrers-closure "$outPath")
touch "$outPath"
# The build should correctly remove the garbage and put the expected path instead