API Description

2

2.1Service Extensions

The current release of NCS Checkpoint Service provides one API and a callback function in addition to the APIs defined in the SAF-AIS Checkpoint Service document SAF-AIS-CKPT- B.01.01. These APIs are defined as 'stand-alone' APIs so that other SAF-defined APIs are not disturbed, and compliance to SAF is not compromised. These extensions are defined to provide the hot-standby support to the Checkpoint Service user applications.

2.1.1ncsCkptRegisterCkptArrivalCallback()

Prototype

SaAisErrorTncsCkptRegisterCkptArrivalCallback(

SaCkptHandleT ckptHandle,

ncsCkptCkptArrivalCallbackT ckptArrivalCallback

);

Parameters

The following table describes the possible parameters.

Table 2-1 ncsCkptRegisterCkptArrivalCallback() Parameters

Parameter

Description

 

 

ckptHandle - [in]

The handle obtained through the

 

saCkptInitialize() function,

 

designating this particular initialization of

 

the Checkpoint Service.

 

 

ckptArrivalCallback - [in]

The function pointer that the CKPT

 

service shall invoke whenever an opened

 

checkpoint scoped to ckptHandle is

 

updated.

 

 

Description

This call registers the function callback that will be invoked whenever a opened checkpoint scoped to ckptHandle is updated. Though it can be invoked any time, the most likely time to invoke is just after saCkptInitialize() has been invoked. A client will not invoke this call at all if it does not wish to be notified in real-time about checkpoint updates.

Return Values

Checkpoint Service Programmer’s Reference (6806800C47B)

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Motorola 6806800C47B manual API Description, Service Extensions, NcsCkptRegisterCkptArrivalCallback, Parameter Description

6806800C47B specifications

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