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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
functional-type: action
links: []
post-conditions:
- name: Status
states:
- name: Ok
test-code: |
T_eq_int( ctx->status, Status( ctx, STATUS_SUCCESSFUL ) );
TQSurrender( &ctx->tq_ctx->base );
text: |
The return status of the directive call shall be derived from
${../../status/if/successful:/name}.
- name: Recursive
test-code: |
switch ( ctx->tq_ctx->recursive ) {
case TQ_MTX_RECURSIVE_YES:
T_eq_int( ctx->status, Status( ctx, STATUS_SUCCESSFUL ) );
TQSurrender( &ctx->tq_ctx->base );
break;
case TQ_MTX_RECURSIVE_NO_STATUS:
T_eq_int( ctx->status, Status( ctx, STATUS_DEADLOCK ) );
break;
case TQ_MTX_RECURSIVE_NO_FATAL:
/* TODO */
T_unreachable();
break;
default:
T_unreachable();
break;
}
text: |
Where the mutex supports a recursive seize, the return status of the
directive call shall be derived from ${../../status/if/successful:/name}.
Where the mutex does not support a recursive seize, where a deadlock is
indicated by a status code, the return status of the directive call shall
be derived from ${../../status/if/deadlock:/name}.
Where the mutex does not support a recursive seize, where a deadlock is
indicated by a fatal error, the thread queue deadlock internal error
shall occur.
- name: Unsat
test-code: |
T_eq_int( ctx->status, Status( ctx, STATUS_UNSATISFIED ) );
text: |
The return status of the directive call shall be derived from
${../../status/if/unsatisfied:/name}.
test-epilogue: null
test-prologue: null
- name: Owner
states:
- name: Nop
test-code: |
if ( ctx->owner_self ) {
T_eq_ptr( ctx->owner_after, ctx->tq_ctx->base.runner_tcb );
} else if ( ctx->owner_other ) {
T_eq_ptr(
ctx->owner_after,
ctx->tq_ctx->base.worker_tcb[ TQ_BLOCKER_A ]
);
} else {
T_null( ctx->owner_after );
}
text: |
The owner of the semaphore shall not be modified.
- name: New
test-code: |
T_eq_ptr( ctx->owner_after, ctx->tq_ctx->base.runner_tcb );
text: |
The owner of the semaphore shall be the calling thread.
test-epilogue: null
test-prologue: null
- name: Priority
states:
- name: Nop
test-code: |
T_eq_u32( ctx->priority_after, ctx->priority_before );
text: |
The current priority of the calling thread shall not be modified.
- name: Ceiling
test-code: |
if ( ctx->tq_ctx->priority_ceiling != PRIO_INVALID ) {
T_eq_u32( ctx->priority_after, ctx->tq_ctx->priority_ceiling );
} else {
T_eq_u32( ctx->priority_after, ctx->priority_before );
}
text: |
Where the mutex provides a priority ceiling, the calling thread shall use
the priority ceiling of the mutex.
Where the mutex does not provide a priority ceiling, the current priority
of the calling thread shall not be modified.
test-epilogue: null
test-prologue: null
pre-conditions:
- name: Owner
states:
- name: 'No'
test-code: |
/* This is the default */
text: |
While the mutex has no owner.
- name: Self
test-code: |
ctx->owner_self = true;
text: |
While the owner of the mutex is the calling thread.
- name: Other
test-code: |
ctx->owner_other = true;
text: |
While the owner of the mutex is a thread other than the calling thread.
test-epilogue: null
test-prologue: null
rationale: null
references: []
requirement-type: functional
skip-reasons: {}
test-action: |
if ( ctx->owner_self ) {
Status_Control status;
status = TQEnqueue( &ctx->tq_ctx->base, TQ_NO_WAIT );
T_eq_int( status, Status( ctx, STATUS_SUCCESSFUL ) );
} else if ( ctx->owner_other ) {
if ( ctx->tq_ctx->base.enqueue_variant == TQ_ENQUEUE_STICKY ) {
TQSetScheduler(
&ctx->tq_ctx->base,
TQ_BLOCKER_A,
ctx->tq_ctx->base.other_scheduler_id,
PRIO_HIGH
);
TQSend(
&ctx->tq_ctx->base,
TQ_BLOCKER_A,
TQ_EVENT_ENQUEUE | TQ_EVENT_RUNNER_SYNC
);
TQSynchronizeRunner();
} else {
TQSend( &ctx->tq_ctx->base, TQ_BLOCKER_A, TQ_EVENT_ENQUEUE );
}
}
ctx->priority_before = GetSelfPriority();
ctx->status = TQEnqueue( &ctx->tq_ctx->base, TQ_NO_WAIT );
ctx->owner_after = TQMtxGetOwner( ctx->tq_ctx );
ctx->priority_after = GetSelfPriority();
if ( ctx->owner_self ) {
TQSurrender( &ctx->tq_ctx->base );
} else if ( ctx->owner_other ) {
if ( ctx->tq_ctx->base.enqueue_variant == TQ_ENQUEUE_STICKY ) {
TQSend(
&ctx->tq_ctx->base,
TQ_BLOCKER_A,
TQ_EVENT_SURRENDER | TQ_EVENT_RUNNER_SYNC
);
TQSynchronizeRunner();
TQSetScheduler(
&ctx->tq_ctx->base,
TQ_BLOCKER_A,
ctx->tq_ctx->base.runner_scheduler_id,
PRIO_HIGH
);
} else {
TQSend( &ctx->tq_ctx->base, TQ_BLOCKER_A, TQ_EVENT_SURRENDER );
}
}
test-brief: null
test-cleanup: null
test-context:
- brief: |
If this member is true, then the calling thread shall be the owner of the
mutex.
description: null
member: |
bool owner_self;
- brief: |
If this member is true, then a thread other than the calling thread shall
be the owner of the mutex.
description: null
member: |
bool owner_other;
- brief: |
This member contains the current priority of the calling thread before the
directive call.
description: null
member: |
rtems_task_priority priority_before;
- brief: |
This member contains the return status of the directive call.
description: null
member: |
Status_Control status
- brief: |
This member contains the owner of the mutex after the directive call.
description: null
member: |
const rtems_tcb *owner_after
- brief: |
This member contains the current priority of the calling thread after the
directive call.
description: null
member: |
rtems_task_priority priority_after;
test-context-support: null
test-description: null
test-header:
code: null
includes: []
local-includes:
- tx-thread-queue.h
run-params:
- description: |
is the thread queue context.
dir: inout
name: tq_ctx
specifier: TQMtxContext *${.:name}
target: testsuites/validation/tr-mtx-seize-try.h
test-includes: []
test-local-includes:
- tr-mtx-seize-try.h
test-prepare: |
ctx->owner_self = false;
ctx->owner_other = false;
test-setup: null
test-stop: null
test-support: |
typedef ScoreMtxReqSeizeTry_Context Context;
static Status_Control Status( const Context *ctx, Status_Control status )
{
return TQConvertStatus( &ctx->tq_ctx->base, status );
}
test-target: testsuites/validation/tr-mtx-seize-try.c
test-teardown: null
text: |
When the calling thread tries to seize the mutex.
transition-map:
- enabled-by: true
post-conditions:
Status: Ok
Owner: New
Priority: Ceiling
pre-conditions:
Owner:
- 'No'
- enabled-by: true
post-conditions:
Status: Recursive
Owner: Nop
Priority: Nop
pre-conditions:
Owner:
- Self
- enabled-by: true
post-conditions:
Status: Unsat
Owner: Nop
Priority: Nop
pre-conditions:
Owner:
- Other
type: requirement
|
