| 1 | // Copyright Antony Polukhin, 2016-2024. |
|---|---|
| 2 | // |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See |
| 4 | // accompanying file LICENSE_1_0.txt or copy at |
| 5 | // http://www.boost.org/LICENSE_1_0.txt) |
| 6 | |
| 7 | //[getting_started_debug_function |
| 8 | #include <signal.h> // ::signal |
| 9 | #include <boost/stacktrace/frame.hpp> |
| 10 | #include <iostream> // std::cerr |
| 11 | #include <cstdlib> // std::exit |
| 12 | |
| 13 | void print_signal_handler_and_exit() { |
| 14 | typedef void(*function_t)(int); |
| 15 | |
| 16 | function_t old_signal_function = ::signal(SIGSEGV, SIG_DFL); |
| 17 | boost::stacktrace::frame f(old_signal_function); |
| 18 | std::cout << f << std::endl; |
| 19 | std::exit(status: 0); |
| 20 | } |
| 21 | //] |
| 22 | |
| 23 | |
| 24 | void my_signal_handler(int /*signum*/) { |
| 25 | std::exit(status: 1); |
| 26 | } |
| 27 | |
| 28 | int main() { |
| 29 | ::signal(SIGSEGV, handler: &my_signal_handler); |
| 30 | print_signal_handler_and_exit(); |
| 31 | } |
| 32 | |
| 33 | |
| 34 |