1 /* 2 * Copyright (C) 2010 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 #include <poll.h> 18 19 #include <string> 20 21 #include "core_jni_helpers.h" 22 23 extern "C" void android_dlwarning(void*, void (*)(void*, const char*)); 24 25 namespace android 26 { 27 28 static jstring getDlWarning_native(JNIEnv* env, jobject) { 29 std::string msg; 30 android_dlwarning(&msg, [](void* obj, const char* msg) { 31 if (msg != nullptr) { 32 *reinterpret_cast<std::string*>(obj) = msg; 33 } 34 }); 35 36 return msg.empty() ? nullptr : env->NewStringUTF(msg.c_str()); 37 } 38 39 static const JNINativeMethod g_methods[] = { 40 { "getDlWarning", 41 "()Ljava/lang/String;", 42 reinterpret_cast<void*>(getDlWarning_native) }, 43 }; 44 45 static const char* const kActivityPathName = "android/app/Activity"; 46 47 int register_android_app_Activity(JNIEnv* env) { 48 return RegisterMethodsOrDie(env, kActivityPathName, g_methods, NELEM(g_methods)); 49 } 50 51 } // namespace android 52