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93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
// Copyright Antony Polukhin, 2016-2017.
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/array.hpp>
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BOOST_NOINLINE void foo(int i);
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BOOST_NOINLINE void bar(int i);
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BOOST_NOINLINE void bar(int i) {
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boost::array<int, 5> a = {{-1, -231, -123, -23, -32}};
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if (i >= 0) {
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foo(a[i]);
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} else {
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std::terminate();
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}
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}
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BOOST_NOINLINE void foo(int i) {
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bar(--i);
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}
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// Ignoring _Exit for testing purposes
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#define _Exit(x) exit(x+1)
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//[getting_started_terminate_handlers
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#include <signal.h> // ::signal
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#include <cstdlib> // std::_Exit
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#include <boost/stacktrace.hpp>
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void my_signal_handler(int signum) {
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::signal(signum, SIG_DFL);
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boost::stacktrace::this_thread_frames::dump("./backtrace.dump");
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std::_Exit(-1);
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}
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//]
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void setup_handlers() {
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//[getting_started_setup_handlers
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::signal(SIGSEGV, &my_signal_handler);
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::signal(SIGABRT, &my_signal_handler);
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//]
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}
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#include <iostream> // std::cerr
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#include <boost/filesystem.hpp>
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int main(int argc, const char* argv[]) {
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if (argc < 2) {
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// We are copying files to make sure that stacktrace printing works independently from executable name
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{
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boost::filesystem::path command_1 = argv[0];
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command_1 = command_1.parent_path() / (command_1.stem().string() + "_1") / command_1.extension();
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boost::filesystem::copy_file(argv[0], command_1, boost::filesystem::copy_option::overwrite_if_exists);
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command_1 += " 1";
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if (std::system(command_1.c_str())) {
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std::exit(-1);
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}
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}
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{
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boost::filesystem::path command_2 = argv[0];
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command_2 = command_2.parent_path() / (command_2.stem().string() + "_2") / command_2.extension();
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boost::filesystem::copy_file(argv[0], command_2, boost::filesystem::copy_option::overwrite_if_exists);
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command_2 += " 2";
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if (std::system(command_2.c_str())) {
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std::exit(-2);
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}
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}
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return 0;
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}
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switch(argv[1][0]) {
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case '1':
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setup_handlers();
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foo(5);
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return -11;
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case '2':
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boost::stacktrace::stacktrace st = boost::stacktrace::stacktrace::from_dump("./backtrace.dump");
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std::cout << st << std::endl;
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return 0;
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}
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return 3;
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}
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