Time of Day Handler Action Hooks

This group contains the implementation to support Time of Day Handler action hooks. More...

Files
file	todimpl.h
	This header file provides the interfaces of the Time of Day Handler and the Time of Day Handler Action Hooks.
file	coretodhookdata.c
	This source file contains the definition of _TOD_Hooks.
file	coretodhookregister.c
	This source file contains the implementation of _TOD_Hook_Register().
file	coretodhookrun.c
	This source file contains the implementation of _TOD_Hook_Run().
file	coretodhookunregister.c
	This source file contains the implementation of _TOD_Hook_Unregister().

Data Structures
struct	TOD_Hook
	Structure to manage each TOD action hook. More...

Typedefs
typedef struct TOD_Hook	TOD_Hook
	Structure to manage each TOD action hook.

Enumerations
enum	TOD_Action { TOD_ACTION_SET_CLOCK }
	Possible actions where a registered hook could be invoked. More...

Functions
void	_TOD_Hook_Register (TOD_Hook *hook)
	Add a TOD Action Hook.
void	_TOD_Hook_Unregister (TOD_Hook *hook)
	Remove a TOD Action Hook.
Status_Control	_TOD_Hook_Run (TOD_Action action, const struct timespec *tod)
	Run the TOD Action Hooks.

Variables
Chain_Control	_TOD_Hooks
	Set of registered methods for TOD Actions.

Detailed Description

This group contains the implementation to support Time of Day Handler action hooks.

The following support registering a hook which is invoked when the TOD is set. These can be used by a paravirtualized BSP to mirror time changes to the hosting environment or a regular BSP to program a real-time clock when the RTEMS TOD is set.

Enumeration Type Documentation

TOD_Action

enum TOD_Action

Possible actions where a registered hook could be invoked.

Enumerator
TOD_ACTION_SET_CLOCK	Constant to indicate the TOD is being set.

Function Documentation

_TOD_Hook_Register()

void _TOD_Hook_Register

(

TOD_Hook *

hook

)

Add a TOD Action Hook.

This method is used to add a hook to the TOD action set.

hook is the action hook to register.

_TOD_Hook_Run()

Status_Control _TOD_Hook_Run	(	TOD_Action	action,
		const struct timespec *	tod
	)

Run the TOD Action Hooks.

This method is used to invoke the set of TOD action hooks.

action The action which triggered this run.

tod The current time of day.

Return values

STATUS_SUCCESSFUL	Successful operation.
other	Some error occurred.

_TOD_Hook_Unregister()

void _TOD_Hook_Unregister

(

TOD_Hook *

hook

)

Remove a TOD Action Hook.

This method is used to remove a hook from the TOD action set.

hook is the action hook to unregister.