Merge pull request #4538 from fbuihuu/confirm-spawn-fixes

Confirm spawn fixes/enhancements

src/core/unit.c

@@ -1511,6 +1511,17 @@ int unit_start_limit_test(Unit *u) {
         return emergency_action(u->manager, u->start_limit_action, u->reboot_arg, "unit failed");
 }
 
+bool unit_shall_confirm_spawn(Unit *u) {
+
+        if (manager_is_confirm_spawn_disabled(u->manager))
+                return false;
+
+        /* For some reasons units remaining in the same process group
+         * as PID 1 fail to acquire the console even if it's not used
+         * by any process. So skip the confirmation question for them. */
+        return !unit_get_exec_context(u)->same_pgrp;
+}
+
 /* Errors:
  *         -EBADR:      This unit type does not support starting.
  *         -EALREADY:   Unit is already started.