2021-10-15 14:52:37 +00:00
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# Test whether the collector is non-blocking, i.e. a build can run in
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# parallel with it.
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source common.sh
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needLocalStore "the GC test needs a synchronisation point"
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clearStore
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fifo=$TEST_ROOT/test.fifo
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mkfifo "$fifo"
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2023-06-19 14:54:05 +00:00
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fifo2=$TEST_ROOT/test2.fifo
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mkfifo "$fifo2"
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2021-10-15 14:52:37 +00:00
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dummy=$(nix store add-path ./simple.nix)
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running=$TEST_ROOT/running
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touch $running
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2023-06-19 14:54:05 +00:00
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(_NIX_TEST_GC_SYNC=$fifo _NIX_TEST_GC_SYNC_2=$fifo2 nix-store --gc -vvvvv; rm $running) &
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2021-10-15 14:52:37 +00:00
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pid=$!
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sleep 2
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2023-06-19 14:54:05 +00:00
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(sleep 1; echo > $fifo2) &
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2023-06-21 14:17:21 +00:00
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pid2=$!
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2023-06-19 14:54:05 +00:00
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2021-12-13 15:24:25 +00:00
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outPath=$(nix-build --max-silent-time 60 -o "$TEST_ROOT/result" -E "
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2021-10-15 14:52:37 +00:00
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with import ./config.nix;
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mkDerivation {
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name = \"non-blocking\";
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buildCommand = \"set -x; test -e $running; mkdir \$out; echo > $fifo\";
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}")
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wait $pid
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2023-06-21 14:17:21 +00:00
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wait $pid2
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2021-10-15 14:52:37 +00:00
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(! test -e $running)
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(! test -e $dummy)
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test -e $outPath
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