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with RI78V4
Coding
SERVICE CALLS
Task Management Functions
can_act

can_act

Outline

Cancel task activation requests.

C format


ER_UINT can_act ( ID tskid );

Assembly format


MOV A, #tskid CALL !!_can_act

Parameter(s)


I/O	Parameter	Description
I	ID tskid;	ID number of the task for cancelling activation requests. TSK_SELF: Invoking task. Value: ID number of the task for cancelling activation requests.

Explanation

This service call cancels all of the activation requests queued to the task specified by parameter tskid (sets the activation request counter to 0x0).

When this service call is terminated normally, the number of cancelled activation requests is returned.

Return value


Macro	Value	Description
-	-	Normal completion (activation request count: positive value or 0).