#if !defined(_MSC_VER)

#include <csignal>

#include <sstream>

#include "../logging/logging.h"

#include <cpp-utils/process/SignalHandler.h>

#include <boost/stacktrace.hpp>

using std::string;

using std::ostringstream;

using namespace cpputils::logging;

namespace cpputils {

string backtrace() {

std::ostringstream str;

str << boost::stacktrace::stacktrace();

return str.str();

}

namespace {

void sigsegv_handler(int) {

LOG(ERR, "SIGSEGV\n{}", backtrace());

exit(1);

}

void sigill_handler(int) {

LOG(ERR, "SIGILL\n{}", backtrace());

exit(1);

}

void sigabrt_handler(int) {

LOG(ERR, "SIGABRT\n{}", backtrace());

exit(1);

}

}

void showBacktraceOnCrash() {

// the signal handler RAII objects will be initialized on first call (which will register the signal handler)

// and destroyed on program exit (which will unregister the signal handler)

static SignalHandlerRAII<&sigsegv_handler> segv(SIGSEGV);

static SignalHandlerRAII<&sigabrt_handler> abrt(SIGABRT);

static SignalHandlerRAII<&sigill_handler> ill(SIGILL);

}

}

#endif