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
HandleUnexpectedSignalAndroid(int signal_number,siginfo_t * info,void * raw_context)29 void HandleUnexpectedSignalAndroid(int signal_number, siginfo_t* info, void* raw_context) {
30 HandleUnexpectedSignalCommon(signal_number,
31 info,
32 raw_context,
33 /* handle_timeout_signal= */ false,
34 /* dump_on_stderr= */ false);
35
36 // Run the old signal handler.
37 old_action.sa_sigaction(signal_number, info, raw_context);
38 }
39
InitPlatformSignalHandlers()40 void Runtime::InitPlatformSignalHandlers() {
41 // Enable the signal handler dumping crash information to the logcat
42 // when the Android root is not "/system".
43 const char* android_root = getenv("ANDROID_ROOT");
44 if (android_root != nullptr && strcmp(android_root, "/system") != 0) {
45 InitPlatformSignalHandlersCommon(HandleUnexpectedSignalAndroid,
46 &old_action,
47 /* handle_timeout_signal= */ false);
48 }
49 }
50
51 } // namespace art
52