def test_execution_strategy_nailgun(self):
self.set_options(
execution_strategy=NailgunTask.ExecutionStrategy.nailgun)
self.addCleanup(lambda: NailgunProcessGroup(metadata_base_dir=self.
subprocess_dir).killall())
self.assert_cwd_is_buildroot(expected_source='nailMain')
def run(self):
should_kill_nailguns = self._kill_nailguns
try:
result = self._execute_engine()
if result:
self._run_tracker.set_root_outcome(WorkUnit.FAILURE)
except KeyboardInterrupt:
self._run_tracker.set_root_outcome(WorkUnit.FAILURE)
# On ctrl-c we always kill nailguns, otherwise they might keep running
# some heavyweight compilation and gum up the system during a subsequent run.
should_kill_nailguns = True
raise
except Exception:
self._run_tracker.set_root_outcome(WorkUnit.FAILURE)
raise
finally:
self._run_tracker.end()
# Must kill nailguns only after run_tracker.end() is called, otherwise there may still
# be pending background work that needs a nailgun.
if should_kill_nailguns:
# TODO: This is JVM-specific and really doesn't belong here.
# TODO: Make this more selective? Only kill nailguns that affect state?
# E.g., checkstyle may not need to be killed.
NailgunProcessGroup().killall()
return result
def execute(self):
NailgunProcessGroup().killall(everywhere=self.get_options().everywhere)