//9 超时等待一组任务，然后中止所有任务，且在中止任务中就地善后处理
static async Task Worker9()
{
generator.children children = new generator.children();
children.go(() => Worker("A", 1000));
children.go(async delegate()
{
try
{
await Worker("B", 2000);
}
catch (generator.stop_exception)
{
Log("B被中止");
await generator.sleep(500);
throw;
}
catch (System.Exception)
{
}
});
var task = await children.timed_wait_all(1500);
await children.stop();
Log($"成功{task.Count}个");
}
//8 超时等待一组任务，然后中止所有任务
static async Task Worker8()
{
generator.children children = new generator.children();
children.go(() => Worker("A", 1000));
children.go(() => Worker("B", 2000));
var tasks = await children.timed_wait_all(1500);
await children.stop();
Log($"成功{tasks.Count}个");
}