1/* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "CarServiceHelperService-JNI" 18 19//#define LOG_NDEBUG 0 20 21#include "jni.h" 22 23#include <nativehelper/JNIHelp.h> 24#include <suspend/autosuspend.h> 25#include <utils/Log.h> 26 27namespace android { 28 29// ---------------------------------------------------------------------------- 30 31static jint nativeForceSuspend(JNIEnv* /* env */, jclass /* clazz */, jint timeoutMs) { 32 jint ret = autosuspend_force_suspend(timeoutMs); 33 ALOGD("nativeForceSuspend returned %d", ret); 34 return ret; 35} 36 37// ---------------------------------------------------------------------------- 38 39static const JNINativeMethod gCarServiceHelperServiceMethods[] = { 40 /* name, signature, funcPtr */ 41 { "nativeForceSuspend", "(I)I", 42 (void*) nativeForceSuspend }, 43}; 44 45int register_android_internal_car_CarServiceHelperService(JNIEnv* env) { 46 int res = jniRegisterNativeMethods(env, "com/android/internal/car/CarServiceHelperService", 47 gCarServiceHelperServiceMethods, NELEM(gCarServiceHelperServiceMethods)); 48 (void) res; // Faked use when LOG_NDEBUG. 49 LOG_FATAL_IF(res < 0, "Unable to register native methods."); 50 return 0; 51} 52 53} /* namespace android */ 54 55 56using namespace android; 57 58extern "C" jint JNI_OnLoad(JavaVM* vm, void* /* reserved */) 59{ 60 JNIEnv* env = NULL; 61 jint result = -1; 62 63 if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) { 64 ALOGE("GetEnv failed!"); 65 return result; 66 } 67 ALOG_ASSERT(env, "Could not retrieve the env!"); 68 69 register_android_internal_car_CarServiceHelperService(env); 70 return JNI_VERSION_1_4; 71} 72