C++ (Cpp) vm_execute_java_method_array Exemples

Exemple #1

Fichier : exceptions_impl.cpp Projet : unitedroad/harmony-for-haiku

void init_cause(jthrowable exc_object, jthrowable exc_cause) {
    ASSERT_RAISE_AREA;
    assert(exc_cause);
    assert(hythread_is_suspend_enabled());

    tmn_suspend_disable();

    Class* exc_class = exc_object->object->vt()->clss;
    Method *init_cause_method = class_lookup_method_recursive(exc_class,
        "initCause", "(Ljava/lang/Throwable;)Ljava/lang/Throwable;");
    assert(init_cause_method);
    jvalue args[2];
    args[0].l = exc_object;
    args[1].l = exc_cause;
    jvalue ret_val;
    vm_execute_java_method_array((jmethodID) init_cause_method, &ret_val,
        args);
    tmn_suspend_enable();
}

Exemple #2

/**
 * Runs java.lang.Thread.detach() method.
 */
static jint run_java_detach(jthread java_thread)
{
    assert(hythread_is_suspend_enabled());

    JNIEnv *jni_env = jthread_get_JNI_env(java_thread);
    Global_Env *vm_env = jni_get_vm_env(jni_env);
    Class *thread_class = vm_env->java_lang_Thread_Class;

    static Method *detach = NULL;
    if (detach == NULL) {
        const char *method_name = "detach";
        const char *descriptor = "(Ljava/lang/Throwable;)V";
        detach = class_lookup_method(thread_class, method_name, descriptor);
        if (detach == NULL) {
            TRACE("Failed to find thread's detach method " << descriptor <<
                  " , exception = " << exn_get());
            return TM_ERROR_INTERNAL;
        }
    }

    // Initialize arguments.
    jvalue args[2];
    args[0].l = java_thread;
    if (vm_env->IsVmShutdowning()) {
        args[1].l = NULL;
    } else {
        args[1].l = exn_get();
    }
    exn_clear();

    hythread_suspend_disable();
    vm_execute_java_method_array((jmethodID) detach, 0, args);
    hythread_suspend_enable();

    if (exn_raised()) {
        TRACE
            ("java.lang.Thread.detach(Throwable) method completed with an exception: "
             << exn_get_name());
        return TM_ERROR_INTERNAL;
    }
    return TM_ERROR_NONE;
}

Exemple #3

Fichier : exceptions_impl.cpp Projet : unitedroad/harmony-for-haiku

jthrowable create_exception(Class* exc_class, Method* exc_init, jvalue* args) {
    ASSERT_RAISE_AREA;
    assert(hythread_is_suspend_enabled());

    bool suspended_enabled = hythread_is_suspend_enabled();

    if (suspended_enabled) {
        tmn_suspend_disable();
    }

    ManagedObject *man_obj = class_alloc_new_object(exc_class);

    if (!man_obj) {
        exn_raise_object(VM_Global_State::loader_env->java_lang_OutOfMemoryError);
        if (suspended_enabled) {
            tmn_suspend_enable();
        }
        return NULL;
    }

    jthrowable exc_object = oh_allocate_local_handle();
    exc_object->object = man_obj;
    args[0].l = exc_object;

    if (exn_raised()) { //if RuntimeException or Error
        if (suspended_enabled) {
            tmn_suspend_enable();
        }
        return NULL;
    }

    vm_execute_java_method_array((jmethodID) exc_init, 0, args);

    if (suspended_enabled) {
        tmn_suspend_enable();
    }

    return exc_object;
}