aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorFelix Mulder <felix.mulder@gmail.com>2017-04-13 13:29:19 +0200
committerFelix Mulder <felix.mulder@gmail.com>2017-04-13 13:29:19 +0200
commit5b1ae606706e65aa3482367d6d2f30ae230bbadc (patch)
tree8c3e9f95bf941576b440bf8174a7583c9d10c9c1
parentb8ed254e38480eb8892eccd897d525d977d9e6a7 (diff)
downloaddotty-5b1ae606706e65aa3482367d6d2f30ae230bbadc.zip
dotty-5b1ae606706e65aa3482367d6d2f30ae230bbadc.tar.gz
dotty-5b1ae606706e65aa3482367d6d2f30ae230bbadc.tar.bz2
Fix NPE when adding cleanup hook
-rw-r--r--compiler/test/dotty/tools/vulpix/RunnerOrchestration.scala5
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/test/dotty/tools/vulpix/RunnerOrchestration.scala b/compiler/test/dotty/tools/vulpix/RunnerOrchestration.scala
index ad068e9..6104662 100644
--- a/compiler/test/dotty/tools/vulpix/RunnerOrchestration.scala
+++ b/compiler/test/dotty/tools/vulpix/RunnerOrchestration.scala
@@ -3,6 +3,7 @@ package tools
package vulpix
import java.io.{ File => JFile, InputStreamReader, BufferedReader, PrintStream }
+import java.util.concurrent.atomic.AtomicBoolean
import java.util.concurrent.TimeoutException
import scala.concurrent.duration.Duration
@@ -84,11 +85,11 @@ trait RunnerOrchestration {
}
/** Did add hook to kill the child VMs? */
- private[this] var didAddCleanupCallback = false
+ private[this] val didAddCleanupCallback = new AtomicBoolean(false)
/** Blocks less than `maxDuration` while running `Test.main` from `dir` */
def runMain(classPath: String)(implicit summaryReport: SummaryReporting): Status = {
- if (!didAddCleanupCallback) {
+ if (didAddCleanupCallback.compareAndSet(false, true)) {
// If for some reason the test runner (i.e. sbt) doesn't kill the VM, we
// need to clean up ourselves.
summaryReport.addCleanup(killAll)