1 /* 2 * Copyright (C) 2011 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 "runtime.h" 18 19 #include <signal.h> 20 21 #include <cstring> 22 23 #include "runtime_common.h" 24 25 namespace art { 26 27 struct sigaction old_action; 28 29 void HandleUnexpectedSignalAndroid(int signal_number, siginfo_t* info, void* raw_context) { 30 HandleUnexpectedSignalCommon(signal_number, info, raw_context, /* running_on_linux */ false); 31 32 // Run the old signal handler. 33 old_action.sa_sigaction(signal_number, info, raw_context); 34 } 35 36 void Runtime::InitPlatformSignalHandlers() { 37 // Enable the signal handler dumping crash information to the logcat 38 // when the Android root is not "/system". 39 const char* android_root = getenv("ANDROID_ROOT"); 40 if (android_root != nullptr && strcmp(android_root, "/system") != 0) { 41 InitPlatformSignalHandlersCommon(HandleUnexpectedSignalAndroid, 42 &old_action, 43 /* handle_timeout_signal */ false); 44 } 45 } 46 47 } // namespace art 48
