Method nativeThreadId

src/vmStructs.cpp:634–640

}

int VMThread::nativeThreadId(JNIEnv* jni, jthread thread) {
    if (_has_native_thread_id) {
        VMThread* vm_thread = fromJavaThread(jni, thread);
        return vm_thread != NULL ? vm_thread->osThreadId() : -1;
    }
    return VM::isOpenJ9() ? J9Ext::GetOSThreadID(thread) : -1;
}

int VMThread::osThreadId() {
    const char* osthread = *(const char**) at(_thread_osthread_offset);