int
main()
{
int clk = 0;
void *state = initAndResetChip();
/* set up memory for user program */
init_monitor();
/* emulate the 6502! */
for (;;) {
step(state);
clk = !clk;
if (clk)
handle_monitor(state);
// chipStatus(state);
//if (!(cycle % 1000)) printf("%d\n", cycle);
};
}
int main(int argc, char **argv)
{
struct timespec timeout = {SELECT_TIMEOUT_SECONDS, 0};
struct sigaction sigact;
sigset_t select_sigset;
int exitval = EXIT_FAILURE;
int syslog_options = LOG_ODELAY | LOG_PERROR;
int settings_retval;
parse_args(argc, argv);
openlog(program_invocation_short_name, syslog_options, LOG_DAEMON);
syslog(LOG_INFO, "starting");
memset(&sigact, 0, sizeof(struct sigaction));
sigact.sa_handler = &sigterm_handler;
if (sigfillset(&sigact.sa_mask) == -1) {
syslog(LOG_ERR, "sigfillset: %s", strerror(errno));
goto out;
}
if (sigaction(SIGTERM, &sigact, NULL) == -1) {
syslog(LOG_ERR, "sigaction SIGTERM: %s", strerror(errno));
goto out;
}
if (!is_daemon && sigaction(SIGINT, &sigact, NULL) == -1) {
syslog(LOG_ERR, "sigaction SIGINT: %s", strerror(errno));
goto out;
}
if (sigemptyset(&select_sigset) == -1) {
syslog(LOG_ERR, "sigemptyset: %s", strerror(errno));
goto out;
}
if (sigaddset(&select_sigset, SIGTERM) == -1) {
syslog(LOG_ERR, "sigaddset SIGTERM: %s", strerror(errno));
goto out;
}
if (!is_daemon && sigaddset(&select_sigset, SIGINT) == -1) {
syslog(LOG_ERR, "sigaddset SIGINT: %s", strerror(errno));
goto out;
}
settings_retval = settings_read(&settings);
switch (settings_retval) {
case 0:
break;
case -1:
syslog(LOG_ERR, "settings_read: %s", strerror(errno));
goto out;
default:
syslog(LOG_ERR, "settings_read: %s",
settings_strerror(settings_retval));
goto out;
}
if ((monitor_fd = open_evdev_by_name(settings.monitor_name)) == -1) {
syslog(LOG_ERR, "open monitor %s: %s", settings.monitor_name,
strerror(errno));
goto out;
}
if ((filter_fd = open_evdev_by_name(settings.filter_name)) == -1) {
syslog(LOG_ERR, "open filter %s: %s", settings.filter_name,
strerror(errno));
goto out;
}
if (ioctl(filter_fd, EVIOCGRAB, 1) == -1) {
syslog(LOG_ERR, "grab filter: %s", strerror(errno));
goto out;
}
if ((clone_fd = clone_evdev(filter_fd, &settings.clone_id,
settings.clone_name)) == -1) {
syslog(LOG_ERR, "clone_evdev: %s", strerror(errno));
goto out;
}
if (is_daemon && daemonize() == -1) {
syslog(LOG_ERR, "daemonize: %s", strerror(errno));
goto out;
}
syslog(LOG_INFO, "started");
while (is_running) {
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(monitor_fd, &rfds);
FD_SET(filter_fd, &rfds);
switch (pselect(filter_fd + 1, &rfds, NULL, NULL, &timeout,
&select_sigset)) {
case 0:
break;
case -1:
syslog(LOG_ERR, "select: %s", strerror(errno));
goto out;
default:
if (FD_ISSET(filter_fd, &rfds)) {
if (handle_filter() == -1) {
goto out;
}
} else if (FD_ISSET(monitor_fd, &rfds)) {
if (handle_monitor() == -1) {
goto out;
}
}
break;
}
}
syslog(LOG_INFO, "stopped");
syslog(LOG_INFO, "terminating");
exitval = EXIT_SUCCESS;
out:
settings_free(&settings);
if (clone_fd != -1) {
if (ioctl(clone_fd, UI_DEV_DESTROY) == -1) {
syslog(LOG_ERR, "destroy clone: %s", strerror(errno));
exitval = EXIT_FAILURE;
}
if (close(clone_fd) == -1) {
syslog(LOG_ERR, "close clone: %s", strerror(errno));
exitval = EXIT_FAILURE;
}
}
if (filter_fd != -1) {
if (ioctl(filter_fd, EVIOCGRAB, 0) == -1) {
syslog(LOG_ERR, "release filter: %s", strerror(errno));
exitval = EXIT_FAILURE;
}
if (close(filter_fd) == -1) {
syslog(LOG_ERR, "close filter: %s", strerror(errno));
exitval = EXIT_FAILURE;
}
}
if (monitor_fd != -1) {
if (close(monitor_fd) == -1) {
syslog(LOG_ERR, "close monitor: %s", strerror(errno));
exitval = EXIT_FAILURE;
}
}
syslog(LOG_INFO, "terminated");
return exitval;
}
