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//***************************************************************************
//* Copyright (c) 2015 Saint Petersburg State University
//* Copyright (c) 2011-2014 Saint Petersburg Academic University
//* All Rights Reserved
//* See file LICENSE for details.
//***************************************************************************
#pragma once
#include "utils/stacktrace.hpp"
#include "boost/noncopyable.hpp"
#include <functional>
#include <signal.h>
#include <functional>
namespace utils {
struct segfault_handler : boost::noncopyable {
typedef std::function<void()> callback_t;
typedef void (*seg_handler_t)(int);
segfault_handler(callback_t const &cb = 0) {
if (callback() != 0)
throw std::runtime_error("failed to initialize segfault_handler, it has been already initialized");
callback() = cb;
old_func_ = signal(SIGSEGV, &segfault_handler::handler);
}
~segfault_handler() {
callback() = 0;
signal(SIGSEGV, old_func_);
}
private:
static callback_t &callback() {
static callback_t cb = 0;
return cb;
}
static void handler(int signum) {
if (signum == SIGSEGV) {
std::cerr << "The program was terminated by segmentation fault" << std::endl;
print_stacktrace();
if (callback())
callback()();
}
//TEST!!
exit(1);
signal(signum, SIG_DFL);
kill(getpid(), signum);
}
private:
seg_handler_t old_func_;
};
}
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