import sun.jvm.hotspot.runtime.JavaThreadState; //导入依赖的package包/类
private int jvmtiGetThreadState() {
    // get most state bits
    int state = OopUtilities.threadOopGetThreadStatus(ref());
    // add more state bits
    if (myJavaThread != null) {
        JavaThreadState jts = myJavaThread.getThreadState();
        if (myJavaThread.isBeingExtSuspended()) {
            state |= JVMTI_THREAD_STATE_SUSPENDED;
        }
        if (jts == JavaThreadState.IN_NATIVE) {
            state |= JVMTI_THREAD_STATE_IN_NATIVE;
        }
        OSThread osThread = myJavaThread.getOSThread();
        if (osThread != null && osThread.interrupted()) {
            state |= JVMTI_THREAD_STATE_INTERRUPTED;
        }
    }
    return state;
}