{
xid_t xid = VC_NOCTX;
struct vc_set_sched sched = { 0,0,0,0,0,0 };
+ bool do_it = false;
while (1) {
int c = getopt_long(argc, argv, "+", CMDLINE_OPTIONS, 0);
switch (c) {
case CMD_HELP : showHelp(1, argv[0], 0);
case CMD_VERSION : showVersion();
- case CMD_XID : xid = Evc_xidopt2xid(optarg,true); break;
- case CMD_FRATE : sched.fill_rate = atoi(optarg); break;
- case CMD_INTERVAL : sched.interval = atoi(optarg); break;
- case CMD_TOKENS : sched.tokens = atoi(optarg); break;
- case CMD_TOK_MIN : sched.tokens_min = atoi(optarg); break;
- case CMD_TOK_MAX : sched.tokens_max = atoi(optarg); break;
- case CMD_CPU_MASK : sched.cpu_mask = atoi(optarg); break;
+ case CMD_XID : xid = Evc_xidopt2xid(optarg,true); break;
+ case CMD_FRATE : sched.fill_rate = atoi(optarg); do_it = true; break;
+ case CMD_INTERVAL : sched.interval = atoi(optarg); do_it = true; break;
+ case CMD_TOKENS : sched.tokens = atoi(optarg); do_it = true; break;
+ case CMD_TOK_MIN : sched.tokens_min = atoi(optarg); do_it = true; break;
+ case CMD_TOK_MAX : sched.tokens_max = atoi(optarg); do_it = true; break;
+ case CMD_CPU_MASK : sched.cpu_mask = atoi(optarg); do_it = true; break;
default :
WRITE_MSG(2, "Try '");
WRITE_STR(2, argv[0]);
}
if (xid==VC_NOCTX && optind==argc) {
- WRITE_MSG(2, "Neither '--xid' nor a program was specified; try '--help' for more information\n");
- exit(255);
+ WRITE_MSG(2, "Without a program, '--xid' must be used; try '--help' for more information\n");
+ exit(wrapper_exit_code);
+ }
+
+ if (!do_it && optind==argc) {
+ WRITE_MSG(2, "Neither an option nor a program was specified; try '--help' for more information\n");
+ exit(wrapper_exit_code);
}
if (xid==VC_NOCTX)
xid = Evc_get_task_xid(0);
- if (vc_set_sched(xid, &sched)==-1) {
+ if (do_it && vc_set_sched(xid, &sched)==-1) {
perror("vc_set_sched()");
exit(255);
}