hdf_io_service_if.h

hdf_io_service_if.h

Overview

Related Modules:

Description:

Declares the structures defining driver service objects and event listeners, as well as the functions for obtaining a driver service object, dispatching a driver service call, and registering or unregistering an event listener.

Since:

1.0

Summary

Data Structures

Data Structure Name	Description
HdfDevEventlistener	Defines a driver event listener object.
HdfIoDispatcher	Defines a driver service call dispatcher.
HdfIoService	Defines a driver service object.

Typedefs

Typedef Name	Description
OnEventReceived) (void priv, uint32_t id, struct HdfSBuf data)	typedef int(* Called when a driver event occurs.

Typedef Name

Description

OnEventReceived) (void priv, uint32_t id, struct HdfSBuf data)

typedef int(*

Called when a driver event occurs.

Functions

Function Name	Description
HdfIoServiceBind (const char serviceName, mode_t permission)	struct HdfIoService Obtains a driver service object.
HdfIoServiceRecycle (struct HdfIoService service)	void Destroys a specified driver service object to release resources if it is no longer required.
HdfDeviceRegisterEventListener (struct HdfIoService target, struct HdfDevEventlistener listener)	int Registers a custom HdfDevEventlistener for listening for events reported by a specified driver service object.
HdfDeviceUnregisterEventListener (struct HdfIoService target, struct HdfDevEventlistener *listener)	int Unregisters a previously registered HdfDevEventlistener to release resources if it is no longer required.