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|
SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
copyrights:
- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
enabled-by: true
links: []
test-actions:
- action-brief: |
Create a worker thread and two MrsP mutexes. Obtain the Mrsp mutexes and
check that a task yield works (owner is not sticky). We need two mutexes
since the uniprocessor schedulers do not increment the stick level in the
scheduler unblock operation.
action-code: |
rtems_status_code sc;
rtems_id worker_id;
sc = rtems_semaphore_create(
rtems_build_name( 'M', 'T', 'X', '1' ),
1,
RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY |
RTEMS_MULTIPROCESSOR_RESOURCE_SHARING,
PRIO_NORMAL,
&ctx->mutex_id
);
T_rsc_success( sc );
sc = rtems_semaphore_create(
rtems_build_name( 'M', 'T', 'X', '2' ),
1,
RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY |
RTEMS_MULTIPROCESSOR_RESOURCE_SHARING,
PRIO_NORMAL,
&ctx->mutex_2_id
);
T_rsc_success( sc );
ctx->counter = 0;
worker_id = CreateTask( "WORK", PRIO_NORMAL );
StartTask( worker_id, ObtainReleaseMrsPTask, ctx );
checks:
- brief: |
Yield and let the worker obtain the MrsP mutexes.
code: |
Yield();
T_eq_u32( ctx->counter, 1 );
links:
- role: validation
uid: ../req/mrsp-uniprocessor-scheduler
- brief: |
Yield and let the worker release the MrsP mutexes.
code: |
Yield();
T_eq_u32( ctx->counter, 2 );
links: []
- brief: |
Clean up all used resources.
code: |
DeleteTask( worker_id );
DeleteMutex( ctx->mutex_2_id );
DeleteMutex( ctx->mutex_id );
links: []
links: []
test-brief: |
Tests uniprocessor-specific semaphore behaviour.
test-context:
- brief: |
This member contains the mutex identifier.
description: null
member: |
rtems_id mutex_id
- brief: |
This member contains the second mutex identifier.
description: null
member: |
rtems_id mutex_2_id
- brief: |
This member contains a progress counter.
description: null
member: |
uint32_t counter
test-context-support: null
test-description: null
test-header: null
test-includes:
- rtems.h
test-local-includes:
- tx-support.h
test-setup:
brief: null
code: |
SetSelfPriority( PRIO_NORMAL );
description: null
test-stop: null
test-support: |
typedef ${.:/test-context-type} Context;
static void ObtainReleaseMrsPTask( rtems_task_argument arg )
{
Context *ctx;
ctx = (Context *) arg;
ObtainMutex( ctx->mutex_id );
ObtainMutex( ctx->mutex_2_id );
ctx->counter = 1;
Yield();
ReleaseMutex( ctx->mutex_2_id );
ReleaseMutex( ctx->mutex_id );
ctx->counter = 2;
(void) ReceiveAnyEvents();
}
test-target: testsuites/validation/tc-sem-uni.c
test-teardown:
brief: null
code: |
RestoreRunnerPriority();
description: null
type: test-case
|
