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path: root/spec/rtems/sem/req/set-priority.yml
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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:
- role: interface-function
  uid: ../if/set-priority
post-conditions:
- name: Status
  states:
  - name: Ok
    test-code: |
      T_rsc_success( ctx->status );
    text: |
      The return status of ${../if/set-priority:/name} shall be
      ${../../status/if/successful:/name}.
  - name: InvAddr
    test-code: |
      T_rsc( ctx->status, RTEMS_INVALID_ADDRESS );
    text: |
      The return status of ${../if/set-priority:/name} shall be
      ${../../status/if/invalid-address:/name}.
  - name: InvId
    test-code: |
      T_rsc( ctx->status, RTEMS_INVALID_ID );
    text: |
      The return status of ${../if/set-priority:/name} shall be
      ${../../status/if/invalid-id:/name}.
  - name: InvPrio
    test-code: |
      T_rsc( ctx->status, RTEMS_INVALID_PRIORITY );
    text: |
      The return status of ${../if/set-priority:/name} shall be
      ${../../status/if/invalid-priority:/name}.
  - name: NotDef
    test-code: |
      T_rsc( ctx->status, RTEMS_NOT_DEFINED );
    text: |
      The return status of ${../if/set-priority:/name} shall be
      ${../../status/if/not-defined:/name}.
  test-epilogue: null
  test-prologue: null
- name: OwnerPrio
  states:
  - name: Nop
    test-code: |
      T_eq_u32( GetSelfPriority(), PRIO_HIGH );
      ReleaseSemaphore( ctx );
    text: |
      The current priority of the owner task of the semaphore for the scheduler
      specified by the ${../if/set-priority:/params[1]/name} parameter shall
      not be modified by the ${../if/set-priority:/name} call.
  - name: New
    test-code: |
      T_eq_u32( GetSelfPriority(), PRIO_VERY_HIGH );
      ReleaseSemaphore( ctx );
    text: |
      The current priority of the owner task of the semaphore for the scheduler
      specified by the ${../if/set-priority:/params[1]/name} parameter shall be
      less than or equal to the value of the
      ${../if/set-priority:/params[2]/name} parameter.
  test-epilogue: null
  test-prologue: null
- name: SemPrio
  states:
  - name: Set
    test-code: |
      if ( ( ctx->attribute_set & RTEMS_MULTIPROCESSOR_RESOURCE_SHARING ) != 0 ) {
        if ( ctx->scheduler_id == ctx->other_scheduler_id ) {
          CheckPriority( ctx, ctx->runner_scheduler_id, PRIO_HIGH );
          CheckPriority( ctx, ctx->other_scheduler_id, PRIO_VERY_HIGH );
        } else {
          CheckPriority( ctx, ctx->runner_scheduler_id, PRIO_VERY_HIGH );
          CheckPriority( ctx, ctx->other_scheduler_id, 0 );
        }
      } else if ( ( ctx->attribute_set & RTEMS_PRIORITY_CEILING ) != 0 ) {
        CheckPriority( ctx, ctx->runner_scheduler_id, PRIO_VERY_HIGH );
        CheckNotDefined( ctx, ctx->other_scheduler_id );
      }
    text: |
      The priority used for the scheduler specified by the
      ${../if/set-priority:/params[1]/name} parameter of the semaphore
      associated with the identifier specified by the
      ${../if/set-priority:/params[0]/name} parameter shall be set to the
      prioriy specified by the ${../if/set-priority:/params[2]/name} parameter
      during the ${../if/set-priority:/name} call.
  - name: Nop
    test-code: |
      if ( ( ctx->attribute_set & RTEMS_MULTIPROCESSOR_RESOURCE_SHARING ) != 0 ) {
        CheckPriority( ctx, ctx->runner_scheduler_id, PRIO_HIGH );
        CheckPriority( ctx, ctx->other_scheduler_id, 0 );
      } else if ( ( ctx->attribute_set & RTEMS_PRIORITY_CEILING ) != 0 ) {
        CheckPriority( ctx, ctx->runner_scheduler_id, PRIO_HIGH );
        CheckNotDefined( ctx, ctx->other_scheduler_id );
      }
    text: |
      Priorities used by semaphores shall not be modified by the
      ${../if/set-priority:/name} call.
  test-epilogue: null
  test-prologue: null
- name: OldPrioVar
  states:
  - name: Set
    test-code: |
      T_eq_ptr( ctx->old_priority, &ctx->old_priority_value );

      if ( ctx->scheduler_id == ctx->other_scheduler_id ) {
        T_eq_u32( ctx->old_priority_value, 0 );
      } else {
        T_eq_u32( ctx->old_priority_value, PRIO_HIGH );
      }
    text: |
      The value of the object referenced by the
      ${../if/set-priority:/params[3]/name} parameter shall be set to the
      priority used for the scheduler specified by the
      ${../if/set-priority:/params[1]/name} parameter of the semaphore
      associated with the identifier specified by the
      ${../if/set-priority:/params[0]/name} parameter right before the priority
      is set by the ${../if/set-priority:/name} call.
  - name: Nop
    test-code: |
      T_eq_u32( ctx->old_priority_value, INVALID_PRIO );
    text: |
      Objects referenced by the ${../if/set-priority:/params[3]/name} parameter in
      past calls to ${../if/set-priority:/name} shall not be accessed by the
      ${../if/set-priority:/name} call.
  test-epilogue: null
  test-prologue: null
pre-conditions:
- name: Class
  states:
  - name: Counting
    test-code: |
      ctx->attribute_set |= RTEMS_COUNTING_SEMAPHORE;
    text: |
      While the semaphore object is a counting semaphore.
  - name: Simple
    test-code: |
      ctx->attribute_set |= RTEMS_SIMPLE_BINARY_SEMAPHORE;
    text: |
      While the semaphore object is a simple binary semaphore.
  - name: Binary
    test-code: |
      ctx->attribute_set |= RTEMS_BINARY_SEMAPHORE;
    text: |
      While the semaphore object is a binary semaphore.
  - name: PrioCeilingNoOwner
    test-code: |
      ctx->attribute_set |= RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY_CEILING;
    text: |
      While the semaphore object is a priority ceiling semaphore, while the
      semaphore has no owner.
  - name: PrioCeilingOwner
    test-code: |
      ctx->attribute_set |= RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY_CEILING;
      ctx->count = 0;
    text: |
      While the semaphore object is a priority ceiling semaphore, while the
      semaphore has an owner.
  - name: PrioInherit
    test-code: |
      ctx->attribute_set |= RTEMS_BINARY_SEMAPHORE | RTEMS_INHERIT_PRIORITY;
    text: |
      While the semaphore object is a priority inheritance semaphore.
  - name: MrsP
    test-code: |
      ctx->attribute_set |= RTEMS_BINARY_SEMAPHORE |
        RTEMS_MULTIPROCESSOR_RESOURCE_SHARING;
    text: |
      While the semaphore object is a MrsP semaphore.
  test-epilogue: null
  test-prologue: null
- name: SemId
  states:
  - name: Valid
    test-code: |
      ctx->valid_id = true;
    text: |
      While the ${../if/set-priority:/params[0]/name} parameter is associated
      with the semaphore.
  - name: Invalid
    test-code: |
      ctx->valid_id = false;
    text: |
      While the ${../if/set-priority:/params[0]/name} parameter is not
      associated with a semaphore.
  test-epilogue: null
  test-prologue: null
- name: SchedId
  states:
  - name: Invalid
    test-code: |
      ctx->scheduler_id = INVALID_ID;
    text: |
      While the ${../if/set-priority:/params[1]/name} parameter is not associated
      with a scheduler.
  - name: Create
    test-code: |
      ctx->scheduler_id = ctx->runner_scheduler_id;
    text: |
    text: |
      While the ${../if/set-priority:/params[1]/name} parameter is associated with
      the scheduler used to create the semaphore.
  - name: Other
    test-code: |
      ctx->scheduler_id = ctx->other_scheduler_id;
    text: |
    text: |
      While the ${../if/set-priority:/params[1]/name} parameter is associated
      with a scheduler other than the one used to create the semaphore.
  test-epilogue: null
  test-prologue: null
- name: NewPrio
  states:
  - name: Current
    test-code: |
      ctx->new_priority = RTEMS_CURRENT_PRIORITY;
    text: |
      While the ${../if/set-priority:/params[2]/name} parameter is equal to
      ${../../task/if/current-priority:/name}.
  - name: Valid
    test-code: |
      ctx->new_priority = PRIO_VERY_HIGH;
    text: |
      While the ${../if/set-priority:/params[2]/name} parameter is not equal to
      ${../../task/if/current-priority:/name} and valid with respect to the
      scheduler specified by the ${../if/set-priority:/params[1]/name}
      parameter.
  - name: Invalid
    test-code: |
      ctx->new_priority = INVALID_PRIO;
    text: |
      While the ${../if/set-priority:/params[2]/name} parameter is invalid with
      respect to the scheduler specified by the
      ${../if/set-priority:/params[1]/name} parameter.
  test-epilogue: null
  test-prologue: null
- name: OldPrio
  states:
  - name: Valid
    test-code: |
      ctx->old_priority = &ctx->old_priority_value;
    text: |
      While the ${../if/set-priority:/params[3]/name} parameter references an
      object of type ${../../type/if/priority:/name}.
  - name: 'Null'
    test-code: |
      ctx->old_priority = NULL;
    text: |
      While the ${../if/set-priority:/params[3]/name} parameter is
      ${/c/if/null:/name}.
  test-epilogue: null
  test-prologue: null
rationale: null
references: []
requirement-type: functional
skip-reasons:
  NoOtherScheduler: |
    Where the system was built with SMP support disabled, exactly one scheduler
    is present in an application.
test-action: |
  rtems_status_code sc;

  sc = rtems_semaphore_create(
    NAME,
    ctx->count,
    ctx->attribute_set,
    PRIO_HIGH,
    &ctx->the_semaphore_id
  );
  T_rsc_success( sc );

  if ( ctx->valid_id ) {
    ctx->semaphore_id = ctx->the_semaphore_id;
  } else {
    ctx->semaphore_id = INVALID_ID;
  }

  ctx->status = rtems_semaphore_set_priority(
    ctx->semaphore_id,
    ctx->scheduler_id,
    ctx->new_priority,
    ctx->old_priority
  );
test-brief: null
test-cleanup: |
  rtems_status_code sc;

  T_eq_u32( GetSelfPriority(), PRIO_NORMAL );

  sc = rtems_semaphore_delete( ctx->the_semaphore_id );
  T_rsc_success( sc );
test-context:
- brief: |
    This member contains the scheduler identifier of the runner task.
  description: null
  member: |
    rtems_id runner_scheduler_id
- brief: |
    This member contains the scheduler identifier of a scheduler not used by
    the runner task.
  description: null
  member: |
    rtems_id other_scheduler_id
- brief: |
    This member specifies the initial count of the semaphore.
  description: null
  member: |
    uint32_t count
- brief: |
    This member specifies the attribute set of the semaphore.
  description: null
  member: |
    rtems_attribute attribute_set
- brief: |
    This member contains the semaphore identifier.
  description: null
  member: |
    rtems_id the_semaphore_id
- brief: |
    If this member is true, then the ${../if/set-priority:/params[0]/name}
    parameter value shall be associated with the semaphore, otherwise it shall
    be not associated with a semaphore.
  description: null
  member: |
    bool valid_id
- brief: |
    This member may contain the task priority returned by
    ${../if/set-priority:/name}.
  description: null
  member: |
    rtems_task_priority old_priority_value
- brief: |
    This member specifies the ${../if/set-priority:/params[0]/name} parameter
    for the ${../if/set-priority:/name} call.
  description: null
  member: |
    rtems_id semaphore_id
- brief: |
    This member specifies the ${../if/set-priority:/params[1]/name} parameter
    for the ${../if/set-priority:/name} call.
  description: null
  member: |
    rtems_id scheduler_id
- brief: |
    This member specifies the ${../if/set-priority:/params[2]/name} parameter
    for the ${../if/set-priority:/name} call.
  description: null
  member: |
    rtems_task_priority new_priority
- brief: |
    This member specifies the ${../if/set-priority:/params[3]/name} parameter
    for the ${../if/set-priority:/name} call.
  description: null
  member: |
    rtems_task_priority *old_priority
- brief: |
    This member contains the status of the ${../if/set-priority:/name} call.
  description: null
  member: |
    rtems_status_code status
test-context-support: null
test-description: null
test-header: null
test-includes:
- rtems.h
- string.h
test-local-includes:
- tc-support.h
- ts-config.h
test-prepare: |
  ctx->old_priority_value = INVALID_PRIO;
  ctx->count = 1;
  ctx->attribute_set = RTEMS_PRIORITY;
  ctx->valid_id = true;
test-setup:
  brief: null
  code: |
    rtems_status_code sc;

    memset( ctx, 0, sizeof( *ctx ) );
    SetSelfPriority( PRIO_NORMAL );

    sc = rtems_task_get_scheduler( RTEMS_SELF, &ctx->runner_scheduler_id );
    T_rsc_success( sc );

    #if defined(RTEMS_SMP)
    sc = rtems_scheduler_ident(
      TEST_SCHEDULER_B_NAME,
      &ctx->other_scheduler_id
    );
    T_rsc_success( sc );
    #else
    ctx->other_scheduler_id = INVALID_ID;
    #endif
  description: null
test-stop: null
test-support: |
  #define NAME rtems_build_name( 'T', 'E', 'S', 'T' )

  #define INVALID_ID 0xffffffff

  #define INVALID_PRIO 0xffffffff

  typedef RtemsSemReqSetPriority_Context Context;

  static void ReleaseSemaphore( const Context *ctx )
  {
    rtems_status_code sc;

    sc = rtems_semaphore_release( ctx->the_semaphore_id );
    T_rsc_success( sc );
  }

  static void SetScheduler( rtems_id scheduler_id )
  {
  #if defined(RTEMS_SMP)
    rtems_status_code sc;

    sc = rtems_task_set_scheduler( RTEMS_SELF, scheduler_id, PRIO_NORMAL );
    T_rsc_success( sc );
  #else
    (void) scheduler_id;
  #endif
  }

  static void CheckPriority(
    const Context      *ctx,
    rtems_id            scheduler_id,
    rtems_task_priority priority
  )
  {
    rtems_status_code sc;

    SetScheduler( scheduler_id );

    sc = rtems_semaphore_obtain(
      ctx->the_semaphore_id,
      RTEMS_WAIT,
      RTEMS_NO_TIMEOUT
    );
    T_rsc_success( sc );

    T_eq_u32( GetSelfPriority(), priority );

    ReleaseSemaphore( ctx );
    SetScheduler( ctx->runner_scheduler_id );
  }

  static void CheckNotDefined(
    const Context      *ctx,
    rtems_id            scheduler_id
  )
  {
  #if defined(RTEMS_SMP)
    rtems_status_code sc;

    SetScheduler( scheduler_id );

    sc = rtems_semaphore_obtain(
      ctx->the_semaphore_id,
      RTEMS_WAIT,
      RTEMS_NO_TIMEOUT
    );
    T_rsc( sc, RTEMS_NOT_DEFINED );

    SetScheduler( ctx->runner_scheduler_id );
  #else
    (void) ctx;
    (void) scheduler_id;
  #endif
  }
test-target: testsuites/validation/tc-sem-set-priority.c
test-teardown:
  brief: null
  code: |
    RestoreRunnerPriority();
  description: null
text: ${.:text-template}
transition-map:
- enabled-by: true
  post-conditions:
    Status: InvAddr
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class: all
    OldPrio:
    - 'Null'
    SchedId:
    SchedId:
    - Invalid
    - Create
    SemId: all
    NewPrio: all
- enabled-by: true
  post-conditions:
    Status: InvId
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class: all
    OldPrio:
    - Valid
    SchedId:
    - Invalid
    SemId: all
    NewPrio: all
- enabled-by: true
  post-conditions:
    Status: InvId
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class: all
    OldPrio:
    - Valid
    SchedId:
    - Create
    SemId:
    - Invalid
    NewPrio: all
- enabled-by: true
  post-conditions:
    Status: InvPrio
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class:
    - Counting
    - Simple
    - Binary
    - PrioCeilingNoOwner
    - PrioCeilingOwner
    - PrioInherit
    - MrsP
    OldPrio:
    - Valid
    SchedId:
    - Create
    SemId:
    - Valid
    NewPrio:
    - Invalid
- enabled-by: true
  post-conditions:
    Status: NotDef
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class:
    - Counting
    - Simple
    - Binary
    - PrioInherit
    OldPrio:
    - Valid
    SchedId:
    - Create
    SemId:
    - Valid
    NewPrio:
    - Current
    - Valid
- enabled-by: true
  post-conditions:
    Status: Ok
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
          NewPrio: Valid
      then: New
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
          NewPrio: Current
      then: Nop
    - else: N/A
    SemPrio:
    - if:
        pre-conditions:
          NewPrio: Current
      then: Nop
    - else: Set
    OldPrioVar: Set
  pre-conditions:
    Class:
    - PrioCeilingNoOwner
    - PrioCeilingOwner
    - MrsP
    OldPrio:
    - Valid
    SchedId:
    - Create
    SemId:
    - Valid
    NewPrio:
    - Current
    - Valid
- enabled-by: true
  post-conditions: NoOtherScheduler
  pre-conditions:
    Class: all
    OldPrio: all
    SchedId:
    - Other
    SemId: all
    NewPrio: all
- enabled-by: RTEMS_SMP
  post-conditions:
    Status: InvAddr
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class: all
    OldPrio:
    - 'Null'
    SchedId:
    - Other
    SemId: all
    NewPrio: all
- enabled-by: RTEMS_SMP
  post-conditions:
    Status: InvId
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class: all
    OldPrio:
    - Valid
    SchedId:
    - Other
    SemId:
    - Invalid
    NewPrio: all
- enabled-by: RTEMS_SMP
  post-conditions:
    Status: InvPrio
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class:
    - Counting
    - Simple
    - Binary
    - PrioCeilingNoOwner
    - PrioCeilingOwner
    - PrioInherit
    - MrsP
    OldPrio:
    - Valid
    SchedId:
    - Other
    SemId:
    - Valid
    NewPrio:
    - Invalid
- enabled-by: RTEMS_SMP
  post-conditions:
    Status: NotDef
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class:
    - Counting
    - Simple
    - Binary
    - PrioInherit
    OldPrio:
    - Valid
    SchedId:
    - Other
    SemId:
    - Valid
    NewPrio:
    - Current
    - Valid
- enabled-by: RTEMS_SMP
  post-conditions:
    Status: NotDef
    OwnerPrio:
    - if:
        pre-conditions:
          Class: PrioCeilingOwner
      then: Nop
    - else: N/A
    SemPrio: Nop
    OldPrioVar: Nop
  pre-conditions:
    Class:
    - PrioCeilingNoOwner
    - PrioCeilingOwner
    OldPrio:
    - Valid
    SchedId:
    - Other
    SemId:
    - Valid
    NewPrio:
    - Current
    - Valid
- enabled-by: RTEMS_SMP
  post-conditions:
    Status: Ok
    OwnerPrio: N/A
    SemPrio:
    - if:
        pre-conditions:
          NewPrio: Current
      then: Nop
    - else: Set
    OldPrioVar: Set
  pre-conditions:
    Class:
    - MrsP
    OldPrio:
    - Valid
    SchedId:
    - Other
    SemId:
    - Valid
    NewPrio:
    - Current
    - Valid
type: requirement