56 lines
1.2 KiB
Bash
56 lines
1.2 KiB
Bash
source common.sh
|
|
|
|
|
|
# First, test that -jN performs builds in parallel.
|
|
echo "testing nix-build -j..."
|
|
|
|
clearStore
|
|
|
|
rm -f $SHARED.cur $SHARED.max
|
|
|
|
outPath=$(nix-build -j10000 parallel.nix --no-out-link)
|
|
|
|
echo "output path is $outPath"
|
|
|
|
text=$(cat "$outPath")
|
|
if test "$text" != "abacade"; then exit 1; fi
|
|
|
|
if test "$(cat $SHARED.cur)" != 0; then fail "wrong current process count"; fi
|
|
if test "$(cat $SHARED.max)" != 3; then fail "not enough parallelism"; fi
|
|
|
|
|
|
# Second, test that parallel invocations of nix-build perform builds
|
|
# in parallel, and don't block waiting on locks held by the others.
|
|
echo "testing multiple nix-build -j1..."
|
|
|
|
clearStore
|
|
|
|
rm -f $SHARED.cur $SHARED.max
|
|
|
|
drvPath=$(nix-instantiate parallel.nix --argstr sleepTime 15)
|
|
|
|
cmd="nix-store -j1 -r $drvPath"
|
|
|
|
$cmd &
|
|
pid1=$!
|
|
echo "pid 1 is $pid1"
|
|
|
|
$cmd &
|
|
pid2=$!
|
|
echo "pid 2 is $pid2"
|
|
|
|
$cmd &
|
|
pid3=$!
|
|
echo "pid 3 is $pid3"
|
|
|
|
$cmd &
|
|
pid4=$!
|
|
echo "pid 4 is $pid4"
|
|
|
|
wait $pid1 || fail "instance 1 failed: $?"
|
|
wait $pid2 || fail "instance 2 failed: $?"
|
|
wait $pid3 || fail "instance 3 failed: $?"
|
|
wait $pid4 || fail "instance 4 failed: $?"
|
|
|
|
if test "$(cat $SHARED.cur)" != 0; then fail "wrong current process count"; fi
|
|
if test "$(cat $SHARED.max)" != 3; then fail "not enough parallelism"; fi
|