Method callback_args

src/segfault-handler.cpp:70–74

    pthread_cond_t cond;

    callback_args(Nan::Persistent<Function, Nan::CopyablePersistentTraits<Function> >* callback, void * const* stack, size_t stack_size, int signo, long addr) :
    callback(callback), stack(backtrace_symbols(stack, stack_size)), stack_size(stack_size), signo(signo), addr(addr) {
      pthread_mutex_init(&mutex, NULL);
      pthread_cond_init(&cond, NULL);
    }

    ~callback_args() {
      free(stack);