2006-03-01 07:15:33 -05:00
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source common.sh
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2009-03-25 12:43:38 -04:00
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2009-03-22 19:16:18 -04:00
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# First, test that -jN performs builds in parallel.
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echo "testing nix-build -j..."
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2024-06-16 06:51:46 -04:00
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TODO_NixOS
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2009-03-18 09:15:55 -04:00
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clearStore
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2004-05-04 13:04:17 -04:00
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2013-11-25 12:47:03 -05:00
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rm -f $_NIX_TEST_SHARED.cur $_NIX_TEST_SHARED.max
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2009-03-22 19:16:18 -04:00
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2012-09-11 19:14:15 -04:00
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outPath=$(nix-build -j10000 parallel.nix --no-out-link)
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2004-05-04 13:04:17 -04:00
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echo "output path is $outPath"
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text=$(cat "$outPath")
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2004-05-11 14:05:44 -04:00
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if test "$text" != "abacade"; then exit 1; fi
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2004-05-04 13:04:17 -04:00
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2013-11-25 12:47:03 -05:00
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if test "$(cat $_NIX_TEST_SHARED.cur)" != 0; then fail "wrong current process count"; fi
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if test "$(cat $_NIX_TEST_SHARED.max)" != 3; then fail "not enough parallelism"; fi
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2009-03-22 19:16:18 -04:00
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2009-03-25 12:43:38 -04:00
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2009-03-22 19:16:18 -04:00
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# Second, test that parallel invocations of nix-build perform builds
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# in parallel, and don't block waiting on locks held by the others.
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echo "testing multiple nix-build -j1..."
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clearStore
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2013-11-25 12:47:03 -05:00
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rm -f $_NIX_TEST_SHARED.cur $_NIX_TEST_SHARED.max
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2009-03-22 19:16:18 -04:00
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2011-10-10 17:32:34 -04:00
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drvPath=$(nix-instantiate parallel.nix --argstr sleepTime 15)
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2009-03-25 12:43:38 -04:00
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2011-10-10 17:32:34 -04:00
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cmd="nix-store -j1 -r $drvPath"
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2009-03-23 11:16:36 -04:00
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$cmd &
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2009-03-22 19:16:18 -04:00
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pid1=$!
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echo "pid 1 is $pid1"
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2009-03-23 11:16:36 -04:00
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$cmd &
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2009-03-22 19:16:18 -04:00
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pid2=$!
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echo "pid 2 is $pid2"
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2009-03-23 11:16:36 -04:00
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$cmd &
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2009-03-22 19:16:18 -04:00
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pid3=$!
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echo "pid 3 is $pid3"
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2009-03-25 12:43:38 -04:00
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$cmd &
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pid4=$!
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echo "pid 4 is $pid4"
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2009-03-23 11:16:36 -04:00
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wait $pid1 || fail "instance 1 failed: $?"
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wait $pid2 || fail "instance 2 failed: $?"
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wait $pid3 || fail "instance 3 failed: $?"
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2009-03-25 12:43:38 -04:00
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wait $pid4 || fail "instance 4 failed: $?"
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2009-03-22 19:16:18 -04:00
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2013-11-25 12:47:03 -05:00
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if test "$(cat $_NIX_TEST_SHARED.cur)" != 0; then fail "wrong current process count"; fi
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if test "$(cat $_NIX_TEST_SHARED.max)" != 3; then fail "not enough parallelism"; fi
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