int main()
{
while (TRUE)
{
// print prompt and read into string array input.
print_prompt();
char* input[64];
scan_input(input);
// perform a fork and process input.
int pid = fork();
if (pid != 0)
{
// code for parent process.
int statloc;
process_parent(&statloc);
}
else
{
// code for forked child process.
process_child(input);
}
}
}
int main( int argc, char *argv[] )
{
int skipcount=parse_cmdline( argc, argv );
int ret=0;
/* Warn if we're run as SUID */
if( getuid()!=geteuid() ) {
fprintf(stderr, "!!!!Running privbind SUID is a security risk!!!!\n");
}
/* Create a couple of sockets for communication with our children */
int sv[2];
if( socketpair(AF_UNIX, SOCK_SEQPACKET, 0, sv)<0 ) {
perror("privbind: socketpair");
return 2;
}
pid_t child_pid=fork();
/* http://sourceforge.net/mailarchive/message.php?msg_name=20070601194744.GA29875%40fermat.math.technion.ac.il
* Reverse the usual role of "parent" and "child".
* Parent process perform "child" actions - running the command.
* Child process is the one that listens on the socket and handles the binds
*/
switch(child_pid) {
case -1:
perror("privbind: fork");
exit(1);
case 0:
/* We are the child */
ret=process_parent( sv );
break;
default:
/* We are the parent */
{
/* Wait for the child to exit. */
int status=0;
do {
waitpid( child_pid, &status, 0 );
} while( !WIFEXITED(status) && !WIFSIGNALED(status) );
if( WIFEXITED(status) ) {
ret=WEXITSTATUS(status);
if( ret==0 ) {
/* Child has indicated that it is ready */
ret=process_child( sv, argc-skipcount, argv+skipcount );
}
} else {
fprintf(stderr, "privbind: root process terminated with signal %d\n", WTERMSIG(status) );
ret=2;
}
}
break;
}
return ret;
}
int main()
{
while (TRUE)
{
// print prompt and read into string array input.
print_prompt();
char* input[64];
scan_input(input);
int input_len = array_len(input);
int option = 0;
// if last parameter is an & then run child process in background.
/*if (input_len != 0 && !strcmp(input[input_len], "&"))
{
option = 1;
input[input_len] = NULL;
}*/
/* pass to change_directory if input is a cd command.
Else perform a fork and process input. */
if (input_len != 0 && !strcmp(input[0], "cd"))
{
change_directory(input);
}
else if (input_len != 0 && fork() != 0)
{
// code for parent process.
int statloc;
process_parent(&statloc, option);
}
else if (input_len != 0)
{
// code for forked child process.
process_child(input);
}
}
}
void menu_game_options::handle()
{
bool changed = false;
// process the menu
const event *menu_event;
if (machine().options().ui() == emu_options::UI_SIMPLE)
{
menu_event = process(PROCESS_LR_REPEAT);
}
else
{
process_parent();
menu_event = process(PROCESS_LR_REPEAT | PROCESS_NOIMAGE);
}
if (menu_event != nullptr && menu_event->itemref != nullptr)
switch ((uintptr_t)menu_event->itemref)
{
case FILTER_MENU:
{
if (menu_event->iptkey == IPT_UI_LEFT || menu_event->iptkey == IPT_UI_RIGHT)
{
(menu_event->iptkey == IPT_UI_RIGHT) ? ++m_main : --m_main;
changed = true;
}
else if (menu_event->iptkey == IPT_UI_SELECT)
{
int total = main_filters::length;
std::vector<std::string> s_sel(total);
for (int index = 0; index < total; ++index)
s_sel[index] = main_filters::text[index];
menu::stack_push<menu_selector>(ui(), container(), s_sel, m_main);
}
break;
}
case FILE_CATEGORY_FILTER:
{
if (menu_event->iptkey == IPT_UI_LEFT)
{
mame_machine_manager::instance()->inifile().move_file(-1);
changed = true;
}
else if (menu_event->iptkey == IPT_UI_RIGHT)
{
mame_machine_manager::instance()->inifile().move_file(1);
changed = true;
}
else if (menu_event->iptkey == IPT_UI_SELECT)
{
inifile_manager &ifile = mame_machine_manager::instance()->inifile();
int total = ifile.total();
std::vector<std::string> s_sel(total);
mame_machine_manager::instance()->inifile().set_cat(0);
for (size_t index = 0; index < total; ++index)
s_sel[index] = ifile.get_file(index);
menu::stack_push<menu_selector>(ui(), container(), s_sel, ifile.cur_file(), menu_selector::INIFILE);
}
break;
}
case CATEGORY_FILTER:
{
if (menu_event->iptkey == IPT_UI_LEFT)
{
mame_machine_manager::instance()->inifile().move_cat(-1);
changed = true;
}
else if (menu_event->iptkey == IPT_UI_RIGHT)
{
mame_machine_manager::instance()->inifile().move_cat(1);
changed = true;
}
else if (menu_event->iptkey == IPT_UI_SELECT)
{
inifile_manager &ifile = mame_machine_manager::instance()->inifile();
int total = ifile.cat_total();
std::vector<std::string> s_sel(total);
for (int index = 0; index < total; ++index)
s_sel[index] = ifile.get_category(index);
menu::stack_push<menu_selector>(ui(), container(), s_sel, ifile.cur_cat(), menu_selector::CATEGORY);
}
break;
}
case MANUFACT_CAT_FILTER:
if (menu_event->iptkey == IPT_UI_LEFT || menu_event->iptkey == IPT_UI_RIGHT)
{
(menu_event->iptkey == IPT_UI_RIGHT) ? c_mnfct::actual++ : c_mnfct::actual--;
changed = true;
}
else if (menu_event->iptkey == IPT_UI_SELECT)
menu::stack_push<menu_selector>(ui(), container(), c_mnfct::ui, c_mnfct::actual);
break;
case YEAR_CAT_FILTER:
if (menu_event->iptkey == IPT_UI_LEFT || menu_event->iptkey == IPT_UI_RIGHT)
{
(menu_event->iptkey == IPT_UI_RIGHT) ? c_year::actual++ : c_year::actual--;
changed = true;
}
else if (menu_event->iptkey == IPT_UI_SELECT)
menu::stack_push<menu_selector>(ui(), container(), c_year::ui, c_year::actual);
break;
case CONF_DIR:
if (menu_event->iptkey == IPT_UI_SELECT)
menu::stack_push<menu_directory>(ui(), container());
break;
case MISC_MENU:
if (menu_event->iptkey == IPT_UI_SELECT)
{
menu::stack_push<submenu>(ui(), container(), submenu::misc_options);
ui_globals::reset = true;
}
break;
case SOUND_MENU:
if (menu_event->iptkey == IPT_UI_SELECT)
{
menu::stack_push<menu_sound_options>(ui(), container());
ui_globals::reset = true;
}
break;
case DISPLAY_MENU:
if (menu_event->iptkey == IPT_UI_SELECT)
{
menu::stack_push<submenu>(ui(), container(), submenu::video_options);
ui_globals::reset = true;
}
break;
case CUSTOM_MENU:
if (menu_event->iptkey == IPT_UI_SELECT)
menu::stack_push<menu_custom_ui>(ui(), container());
break;
case CONTROLLER_MENU:
if (menu_event->iptkey == IPT_UI_SELECT)
menu::stack_push<submenu>(ui(), container(), submenu::control_options);
break;
case CGI_MENU:
if (menu_event->iptkey == IPT_UI_SELECT)
menu::stack_push<menu_input_groups>(ui(), container());
break;
case CUSTOM_FILTER:
if (menu_event->iptkey == IPT_UI_SELECT)
menu::stack_push<menu_custom_filter>(ui(), container());
break;
case ADVANCED_MENU:
if (menu_event->iptkey == IPT_UI_SELECT)
{
menu::stack_push<submenu>(ui(), container(), submenu::advanced_options);
ui_globals::reset = true;
}
break;
case SAVE_CONFIG:
if (menu_event->iptkey == IPT_UI_SELECT)
ui().save_main_option();
break;
}
if (changed)
reset(reset_options::REMEMBER_REF);
}
