startBuild(task, buildCacheEnabled)
        cancelBuild(task)

        startBuild(task, buildCacheEnabled)
        cancelBuild(task)

        assert daemons.daemons.size() == 1
    }

    private void assertTaskIsCancellable(String task, boolean buildCacheEnabled = false) {
        startBuild(task, buildCacheEnabled)
        cancelBuild(task)

        def handler = blockingHttpServer.expectAndBlock("/block")

        when:
        startBuild("compileJava")

        then:
        handler.waitForAllPendingCalls()

        then:
        cancelBuild()

        then:
        daemons.daemon.becomesIdle()

        and:
        pidFile().exists()
        def pid1 = pidFile().text.strip() as long
        new ProcessFixture(pid1).waitForFinish()

            @Override
            public void run() {
                LOGGER.info("HandleCancel processing {}", execution.getCommand());
                execution.getDaemonStateControl().cancelBuild();
            }
        });
        try {
            execution.proceed();
        } finally {
            execution.getConnection().onCancel(null);
        }
    }

     * doesn't finnish in a timely manner a request for forceful stop will be issued ({@link #requestForcefulStop(String reason)}.</p>
     */
    void cancelBuild();

    /**
     * Returns a cancellation token used to communicate cancel requests to commands processed in this daemon.
     *

	_, ret := m[key]
	return ret
}

func XTestParentFinishesChild(t testingT) {
	// Context tree:
	// parent -> cancelChild
	// parent -> valueChild -> timerChild
	// parent -> afterChild
	parent, cancel := WithCancel(Background())
	cancelChild, stop := WithCancel(parent)
	defer stop()
	valueChild := WithValue(parent, "key", "value")
	timerChild, stop := WithTimeout(valueChild, veryLongDuration)