-int main(int argc, char **argv) {
-#ifdef HAVE_SIGACTION
- struct sigaction action;
-
- action.sa_handler = signalhandler;
- action.sa_mask = sigset_t();
- action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
-
- sigaction(SIGPIPE, &action, NULL);
- sigaction(SIGSEGV, &action, NULL);
- sigaction(SIGFPE, &action, NULL);
- sigaction(SIGTERM, &action, NULL);
- sigaction(SIGINT, &action, NULL);
- sigaction(SIGHUP, &action, NULL);
-#else // !HAVE_SIGACTION
- signal(SIGPIPE, (RETSIGTYPE (*)(int)) signalhandler);
- signal(SIGSEGV, (RETSIGTYPE (*)(int)) signalhandler);
- signal(SIGFPE, (RETSIGTYPE (*)(int)) signalhandler);
- signal(SIGTERM, (RETSIGTYPE (*)(int)) signalhandler);
- signal(SIGINT, (RETSIGTYPE (*)(int)) signalhandler);
- signal(SIGHUP, (RETSIGTYPE (*)(int)) signalhandler);
-#endif // HAVE_SIGACTION
-
- parseCommandLine(argc, argv);
-
- _display = XOpenDisplay(_display_name);
- if (! _display) {
- cout << "Connection to X server '" << _display_name << "' failed.\n";
- return 1;
- }
- _root = RootWindow(_display, DefaultScreen(_display));
- _xatom = new XAtom(_display);