1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <csignal>
17#include <iostream>
18
19extern "C" void __gcov_dump();
20
21using namespace std;
22static void sighandler(int signo)
23{
24    cout << "######gcov_dump_start" << endl;
25    __gcov_dump();
26    cout << "######gcov_dump_end" << endl;
27}
28
29__attribute__ ((constructor)) static void ctor()
30{
31    int sigs[] = {
32    SIGTTIN
33    };
34    int i;
35    struct sigaction sa;
36    sa.sa_handler = sighandler;
37    sigemptyset(&sa.sa_mask);
38    sa.sa_flags = SA_RESTART;
39    for (i = 0; i < sizeof(sigs) / sizeof(sigs[0]); ++i) {
40        if (sigaction(sigs[i], &sa, nullptr) == -1) {
41            cout << "Could not set signal handler" << endl;
42        }
43    }
44}
45