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tvl-depot/tests/gc-concurrent.sh

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* Add a test to check whether concurrent garbage collection (i.e., running the collector while builds are in progress) works correctly. The test currently fails.
2005-01-28 21:36:46 +01:00
storeExpr=$($TOP/src/nix-instantiate/nix-instantiate gc-concurrent.nix)
outPath=$($TOP/src/nix-store/nix-store -q $storeExpr)
* Start of concurrent garbage collection. Processes write temporary roots to a per-process temporary file in /nix/var/nix/temproots while holding a write lock on that file. The garbage collector acquires read locks on all those files, thus blocking further progress in other Nix processes, and reads the sets of temporary roots.
2005-01-31 11:27:25 +01:00
ls -l test-tmp/state/temproots
* Add a test to check whether concurrent garbage collection (i.e., running the collector while builds are in progress) works correctly. The test currently fails.
2005-01-28 21:36:46 +01:00
# Start a build in the background.
$TOP/src/nix-store/nix-store -rvv "$storeExpr" &
pid=$!
# Run the garbage collector while the build is running.
sleep 2
* Start of concurrent garbage collection. Processes write temporary roots to a per-process temporary file in /nix/var/nix/temproots while holding a write lock on that file. The garbage collector acquires read locks on all those files, thus blocking further progress in other Nix processes, and reads the sets of temporary roots.
2005-01-31 11:27:25 +01:00
$NIX_BIN_DIR/nix-collect-garbage -vvvvv
* Add a test to check whether concurrent garbage collection (i.e., running the collector while builds are in progress) works correctly. The test currently fails.
2005-01-28 21:36:46 +01:00
# Wait for the build to finish.
echo waiting for pid $pid to finish...
wait $pid
# Check that the root and its dependencies haven't been deleted.
cat $outPath/foobar
cat $outPath/input-2/bar
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