path: root/spec/rtems/message/req/perf-receive-try.yml

SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
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links:
- role: requirement-refinement
  uid: perf-runtime
- role: runtime-measurement-request
  uid: ../val/perf
non-functional-type: performance-runtime
params: {}
rationale: null
references: []
requirement-type: non-functional
test-body:
  brief: |
    Try to receive a message.
  code: |
    uint64_t message;
    size_t   size;

    ctx->status = rtems_message_queue_receive(
      ctx->queue_id,
      &message,
      &size,
      RTEMS_NO_WAIT,
      0
    );
  description: null
test-cleanup: null
test-prepare: null
test-setup: null
test-teardown:
  brief: |
    Discard samples interrupted by a clock tick.
  code: |
    T_quiet_rsc( ctx->status, RTEMS_UNSATISFIED );

    return tic == toc;
  description: null
text: |
  While the execution environment is ${.:/environment}, while a message queue
  is empty, while the measurement sample is the runtime of exactly one
  unsatisfied call to ${../if/send:/name}, when exactly
  ${../val/perf:/params/sample-count} samples are collected, the
  ${.:/limit-kind} shall be ${.:/limit-condition}.
type: requirement