Function emplace_handler

libminifi/src/utils/BackTrace.cpp:158–166

#endif

void emplace_handler() {
#ifdef HAS_EXECINFO
  struct sigaction sa{};
  sigfillset(&sa.sa_mask);
  sa.sa_flags = SA_SIGINFO;
  sa.sa_sigaction = handler;
  sigaction(SIGUSR2, &sa, nullptr);
#endif
}