1 /*
2 * Copyright (C) 2022 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 "OsUtil"
18
19 #include "core_jni_helpers.h"
20
21 #include <processgroup/processgroup.h>
22 #include <utils/Log.h>
23
24 #include <nativehelper/JNIHelp.h>
25
26 using namespace android;
27
com_android_internal_car_os_Util_setProcessProfile(JNIEnv * env,jobject,jint pid,jint uid,jstring profile)28 void com_android_internal_car_os_Util_setProcessProfile(JNIEnv* env, jobject /*clazz*/, jint pid,
29 jint uid, jstring profile) {
30 if (profile == nullptr) {
31 jniThrowNullPointerException(env, NULL);
32 return;
33 }
34
35 const char* profileStr = env->GetStringUTFChars(profile, nullptr);
36 if (profileStr == nullptr) {
37 jniThrowNullPointerException(env, NULL);
38 return;
39 }
40 bool success = SetProcessProfiles(uid, pid, {profileStr});
41 env->ReleaseStringUTFChars(profile, profileStr);
42
43 if (!success) {
44 jniThrowExceptionFmt(env, "java/lang/IllegalArgumentException",
45 "setProcessProfile for pid %d, uid %d, profile %s failed", pid, uid, profileStr);
46 }
47 }
48
49 static const JNINativeMethod methods[] = {
50 {"setProcessProfile", "(IILjava/lang/String;)V",
51 (void*)com_android_internal_car_os_Util_setProcessProfile},
52 };
53
register_com_android_internal_car_os_Util(JNIEnv * env)54 int register_com_android_internal_car_os_Util(JNIEnv* env)
55 {
56 return RegisterMethodsOrDie(env, "com/android/internal/car/os/Util", methods, NELEM(methods));
57 }
58