PxToRelease()

Release the timeout object.

APPLIES TO

8.2.0

SYNOPSIS
PxTo_t PxToRelease(PxTo_t To);
ARGUMENTS






To




Timeout object

















RETURN VALUES






    

  • 

    Invalid timeout object on success
    

    • 

  • 

    Timeout object on failure
    

    • 







ERROR CODES















PXERR_TO_ILLTO




To is not a valid timeout object








PXERR_DELAY_USED_BY_INTERRUPT




Delay object currently in use by the interrupt handler








PXERR_OPOOL_ILLOPOOL




The object pool is not valid








PXERR_GLOBAL_ILLEGAL_CORE




The requested object pool is not on the same core








PXERR_TASK_ILLTASK




The task is not a valid task object








PXERR_INTERNAL_INCONSISTENCY




Inconsistency of internal structures









DESCRIPTION










PxToRelease stops the timeout object To (if necessary) and releases the associated resources (allocated by PxToRequest). After this call, To may not be used.






















IMPLEMENTATION GUIDELINES
















Before call






    

  • 

    To must be a valid PXROS-HR timeout object created with a PxToRequest call (V). The validity of To may also be checked by the PxToIsValid macro (F).
    

    • 



















After call






    

  • 

    PxToRelease returns the timeout object to the object pool it has been taken from. On success PxToRelease returns the invalidated timeout object. This may be checked with one of the following macros:
    

    

      

    • 

      PxToIdIsValid() must be false.
      

      • 

    • 

      PxToIdGet() must be _PXIllegalObjId.
      

      • 

    • 

      PxToIdError() must be PXERR_NOERROR otherwise the returned error code has to be interpreted (C).
      

      • 

    

    

    • 



















Best Practice






    

  • 

    After PxToRelease, the given timeout object To is no longer valid and may never be used as timeout object!
    

    • 






























SEE ALSO











USAGE








#include "pxdef.h"

PxTo_t To = PxToRelease(To);

if (PxToIdError(To) != PXERR_NOERROR){
    // Report error
}