1 /* 2 * Copyright (C) 2017 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 #include <string> 17 18 static int volatile g_initialization_order_code; 19 20 void (*g_fini_callback)(const char*) = nullptr; 21 22 // These two function are called by local group's constructors and destructors 23 extern "C" void record_init(int digit) { 24 g_initialization_order_code = g_initialization_order_code*10 + digit; 25 } 26 27 extern "C" void record_fini(const char* s) { 28 g_fini_callback(s); 29 } 30 31 // these 2 functions are used by the test 32 extern "C" int get_init_order_number() { 33 return g_initialization_order_code; 34 } 35 36 extern "C" void set_fini_callback(void (*f)(const char*)) { 37 g_fini_callback = f; 38 } 39 40 static void __attribute__((constructor)) init() { 41 record_init(1); 42 } 43 44 static void __attribute__((destructor)) fini() { 45 record_fini("(root)"); 46 } 47
