chiark / gitweb /
udevadmi: control = exit with rc=2 if there is some system error
[elogind.git] / udev / udevadm-control.c
index 42818d9..21d366b 100644 (file)
@@ -68,8 +68,10 @@ int udevadm_control(struct udev *udev, int argc, char *argv[])
        }
 
        uctrl = udev_ctrl_new_from_socket(udev, UDEV_CTRL_SOCK_PATH);
-       if (uctrl == NULL)
+       if (uctrl == NULL) {
+               rc = 2;
                goto exit;
+       }
 
        while (1) {
                int option;
@@ -93,31 +95,41 @@ int udevadm_control(struct udev *udev, int argc, char *argv[])
                                fprintf(stderr, "invalid number '%s'\n", optarg);
                                goto exit;
                        }
-                       udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg));
-                       rc = 0;
+                       if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg)) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        break;
                case 's':
                case 's' + 256:
-                       udev_ctrl_send_stop_exec_queue(uctrl);
-                       rc = 0;
+                       if (udev_ctrl_send_stop_exec_queue(uctrl) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        break;
                case 'S':
                case 'S' + 256:
-                       udev_ctrl_send_start_exec_queue(uctrl);
-                       rc = 0;
+                       if (udev_ctrl_send_start_exec_queue(uctrl) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        break;
                case 'R':
                case 'R' + 256:
-                       udev_ctrl_send_reload_rules(uctrl);
-                       rc = 0;
+                       if (udev_ctrl_send_reload_rules(uctrl) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        break;
                case 'p':
                        if (strchr(optarg, '=') == NULL) {
                                fprintf(stderr, "expect <KEY>=<value> instead of '%s'\n", optarg);
                                goto exit;
                        }
-                       udev_ctrl_send_set_env(uctrl, optarg);
-                       rc = 0;
+                       if (udev_ctrl_send_set_env(uctrl, optarg) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        break;
                case 'm':
                case 'm' + 256:
@@ -126,8 +138,10 @@ int udevadm_control(struct udev *udev, int argc, char *argv[])
                                fprintf(stderr, "invalid number '%s'\n", optarg);
                                goto exit;
                        }
-                       udev_ctrl_send_set_max_childs(uctrl, i);
-                       rc = 0;
+                       if (udev_ctrl_send_set_max_childs(uctrl, i) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        break;
                case 'h':
                        print_help();
@@ -146,35 +160,46 @@ int udevadm_control(struct udev *udev, int argc, char *argv[])
                    "this will stop working in a future release\n");
 
                if (!strncmp(arg, "log_priority=", strlen("log_priority="))) {
-                       udev_ctrl_send_set_log_level(uctrl, util_log_priority(&arg[strlen("log_priority=")]));
-                       rc = 0;
+                       if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(&arg[strlen("log_priority=")])) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        goto exit;
                } else if (!strcmp(arg, "stop_exec_queue")) {
-                       udev_ctrl_send_stop_exec_queue(uctrl);
-                       rc = 0;
+                       if (udev_ctrl_send_stop_exec_queue(uctrl) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        goto exit;
                } else if (!strcmp(arg, "start_exec_queue")) {
-                       udev_ctrl_send_start_exec_queue(uctrl);
-                       rc = 0;
+                       if (udev_ctrl_send_start_exec_queue(uctrl) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        goto exit;
                } else if (!strcmp(arg, "reload_rules")) {
-                       udev_ctrl_send_reload_rules(uctrl);
-                       rc = 0;
+                       if (udev_ctrl_send_reload_rules(uctrl) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        goto exit;
                } else if (!strncmp(arg, "max_childs=", strlen("max_childs="))) {
-                       udev_ctrl_send_set_max_childs(uctrl, strtoul(&arg[strlen("max_childs=")], NULL, 0));
-                       rc = 0;
+                       if (udev_ctrl_send_set_max_childs(uctrl, strtoul(&arg[strlen("max_childs=")], NULL, 0)) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        goto exit;
                } else if (!strncmp(arg, "env", strlen("env"))) {
-                       udev_ctrl_send_set_env(uctrl, &arg[strlen("env=")]);
-                       rc = 0;
+                       if (udev_ctrl_send_set_env(uctrl, &arg[strlen("env=")]) < 0)
+                               rc = 2;
+                       else
+                               rc = 0;
                        goto exit;
                }
        }
 
-       if (rc != 0) {
+       if (rc == 1)
                err(udev, "unrecognized command\n");
-       }
 exit:
        udev_ctrl_unref(uctrl);
        return rc;