Function handleSignalMainThread

src/main.cpp:118–155

Must be called on the main thread. If this signal should restart or close the bar, this function will write `true` or `false`, respectively, into `reload`.

// If this signal should restart or close the bar, this function will write
// `true` or `false`, respectively, into `reload`.
static void handleSignalMainThread(int signum, bool& reload) {
  if (signum >= SIGRTMIN + 1 && signum <= SIGRTMAX) {
    for (auto& bar : waybar::Client::inst()->bars) {
      bar->handleSignal(signum);
    }
    return;
  }

  switch (signum) {
    case SIGUSR1:
      handleUserSignal(SIGUSR1, reload);
      break;
    case SIGUSR2:
      handleUserSignal(SIGUSR2, reload);
      break;
    case SIGINT:
      spdlog::info("Quitting.");
      reload = false;
      waybar::Client::inst()->reset();
      break;
    case SIGCHLD:
      spdlog::debug("Received SIGCHLD in signalThread");
      if (!reap.empty()) {
        reap_mtx.lock();
        for (auto it = reap.begin(); it != reap.end(); ++it) {
          if (waitpid(*it, nullptr, WNOHANG) == *it) {
            spdlog::debug("Reaped child with PID: {}", *it);
            it = reap.erase(it);
          }
        }
        reap_mtx.unlock();
      }
      break;
    default:
      spdlog::debug("Received signal with number {}, but not handling", signum);
      break;
  }
}

int main(int argc, char* argv[]) {
  try {