SegmentFaultHandler.h

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#pragma once
#include <csetjmp>
#include <csignal>
#include <functional>
#include <misc/global.h>
#include <vector>
 
namespace sf
{
 
class _MISC_CLASS SegmentFaultHandler
{
  public:
    explicit SegmentFaultHandler(const std::function<void()>& cb);
 
    ~SegmentFaultHandler();
 
    explicit operator bool() const;
 
  private:
    struct Entry
    {
        jmp_buf _buf{};
        int _counter{0};
    };
    Entry* _entry{nullptr};
    static __sighandler_t _savedHandler;
    static std::vector<Entry> _buffers;
    static void handler(int cause);
};
 
}// namespace sf