1 /*
2  * Copyright (C) 2014 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 <stdio.h>
18 #include <stdlib.h>
19 
20 #include "log.h"
21 #include "sigchain.h"
22 
23 #define ATTRIBUTE_UNUSED __attribute__((__unused__))
24 
25 // We cannot annotate the declarations, as they are not no-return in the non-fake version.
26 #pragma GCC diagnostic push
27 #pragma GCC diagnostic ignored "-Wunknown-pragmas"
28 #pragma GCC diagnostic ignored "-Wmissing-noreturn"
29 
30 namespace art {
31 
EnsureFrontOfChain(int signal ATTRIBUTE_UNUSED)32 extern "C" void EnsureFrontOfChain(int signal ATTRIBUTE_UNUSED) {
33   log("EnsureFrontOfChain is not exported by the main executable.");
34   abort();
35 }
36 
AddSpecialSignalHandlerFn(int signal ATTRIBUTE_UNUSED,SigchainAction * sa ATTRIBUTE_UNUSED)37 extern "C" void AddSpecialSignalHandlerFn(int signal ATTRIBUTE_UNUSED,
38                                           SigchainAction* sa ATTRIBUTE_UNUSED) {
39   log("SetSpecialSignalHandlerFn is not exported by the main executable.");
40   abort();
41 }
42 
RemoveSpecialSignalHandlerFn(int signal ATTRIBUTE_UNUSED,bool (* fn)(int,siginfo_t *,void *)ATTRIBUTE_UNUSED)43 extern "C" void RemoveSpecialSignalHandlerFn(int signal ATTRIBUTE_UNUSED,
44                                              bool (*fn)(int, siginfo_t*, void*) ATTRIBUTE_UNUSED) {
45   log("SetSpecialSignalHandlerFn is not exported by the main executable.");
46   abort();
47 }
48 
SkipAddSignalHandler(bool value ATTRIBUTE_UNUSED)49 extern "C" void SkipAddSignalHandler(bool value ATTRIBUTE_UNUSED) {
50   log("SkipAddSignalHandler is not exported by the main executable.");
51   abort();
52 }
53 
54 #pragma GCC diagnostic pop
55 
56 }  // namespace art
57