SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH & Co. KG
enabled-by: true
links:
- role: requirement-refinement
  uid: /req/usage-constraints
rationale: null
text: |
  When the directive operates on a global object, the directive sends a message
  to remote nodes.  This may preempt the calling task.
type: constraint