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HdfIoDispatcher.md 2.08 KB

# HdfIoDispatcher<a name="ZH-CN_TOPIC_0000001055078139"></a>

## **Overview**<a name="section154265925093530"></a>

**Related Modules:**

[Core](Core.md)

**Description:**

Defines a driver service call dispatcher.

**Since:**

1.0

## **Summary**<a name="section84469407093530"></a>

## Data Fields<a name="pub-attribs"></a>

<a name="table855787415093530"></a>
<table><thead align="left"><tr id="row544230642093530"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1850233226093530"><a name="p1850233226093530"></a><a name="p1850233226093530"></a>Variable Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p1192978743093530"><a name="p1192978743093530"></a><a name="p1192978743093530"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1738720333093530"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p223041841093530"><a name="p223041841093530"></a><a name="p223041841093530"></a><a href="HdfIoDispatcher.md#ab87eb61c3bea95bc41c9e8dcc6e2f865">Dispatch</a> )(struct <a href="HdfObject.md">HdfObject</a> *service, int cmdId, struct <a href="HdfSBuf.md">HdfSBuf</a> *data, struct <a href="HdfSBuf.md">HdfSBuf</a> *reply)</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1827517979093530"><a name="p1827517979093530"></a><a name="p1827517979093530"></a>int(*&nbsp;</p>
</td>
</tr>
</tbody>
</table>

## **Details**<a name="section741057410093530"></a>

## **Field Documentation**<a name="section949528996093530"></a>

## Dispatch<a name="ab87eb61c3bea95bc41c9e8dcc6e2f865"></a>

```
int(* HdfIoDispatcher::Dispatch) (struct [HdfObject](HdfObject.md) *service, int cmdId, struct [HdfSBuf](HdfSBuf.md) *data, struct [HdfSBuf](HdfSBuf.md) *reply)
```

**Description:**

Dispatches a driver service call.  **service**  indicates the pointer to the driver service object,  **id**  indicates the command word of the function,  **data**  indicates the pointer to the data you want to pass to the driver, and  **reply**  indicates the pointer to the data returned by the driver.

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提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

HdfIoDispatcher

Overview

Related Modules:

Core

Description:

Defines a driver service call dispatcher.

Since:

1.0

Summary

Data Fields

Variable Name	Description
Dispatch )(struct HdfObject service, int cmdId, struct HdfSBuf data, struct HdfSBuf *reply)	int(*

Details

Field Documentation

Dispatch

int(* HdfIoDispatcher::Dispatch) (struct [HdfObject](HdfObject.md) *service, int cmdId, struct [HdfSBuf](HdfSBuf.md) *data, struct [HdfSBuf](HdfSBuf.md) *reply)

Description:

Dispatches a driver service call. service indicates the pointer to the driver service object, id indicates the command word of the function, data indicates the pointer to the data you want to pass to the driver, and reply indicates the pointer to the data returned by the driver.

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HdfIoDispatcher

Overview

Summary

Data Fields

Details

Field Documentation

Dispatch

简介

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HdfIoDispatcher

Overview

Summary

Data Fields

Details

Field Documentation

Dispatch

简介

发行版

贡献者

近期动态

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