16. Event Manager# 16.1. Introduction 16.2. Background 16.2.1. Event Sets 16.2.2. Building an Event Set or Condition 16.2.3. Building an EVENT_RECEIVE Option Set 16.3. Operations 16.3.1. Sending an Event Set 16.3.2. Receiving an Event Set 16.3.3. Determining the Pending Event Set 16.3.4. Receiving all Pending Events 16.4. Directives 16.4.1. rtems_event_send() 16.4.2. rtems_event_receive()