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 #pragma once
18 
19 #include <signal.h>
20 
21 #include <gtest/gtest.h>
22 
23 #if !defined(__BIONIC__)
24 #define sigaction64 sigaction
25 #endif
26 
27 // Disables debuggerd stack traces to speed up death tests and make them less
28 // noisy in logcat.
29 //
30 // Use `using my_DeathTest = SilentDeathTest;` instead of inheriting from
31 // testing::Test yourself.
32 class SilentDeathTest : public testing::Test {
33  protected:
SetUp()34   virtual void SetUp() {
35     // Suppress debuggerd stack traces. Too slow.
36     for (int signo : {SIGABRT, SIGBUS, SIGSEGV, SIGSYS}) {
37       struct sigaction64 action = {.sa_handler = SIG_DFL};
38       sigaction64(signo, &action, &previous_);
39     }
40   }
41 
TearDown()42   virtual void TearDown() {
43     for (int signo : {SIGABRT, SIGBUS, SIGSEGV, SIGSYS}) {
44       sigaction64(signo, &previous_, nullptr);
45     }
46   }
47 
48  private:
49   struct sigaction64 previous_;
50 };
51