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service-h.md 8.95 KB

# service.h<a name="ZH-CN_TOPIC_0000001054799579"></a>

## **Overview**<a name="section1897425564084832"></a>

**Related Modules:**

[Samgr](Samgr.md)

**Description:**

Provides basic types and constants of services.

This file is mainly used for service development. This file provides basic capabilities such as lifecycle functions of services, inherited macros, and task configuration.

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section206423989084832"></a>

## Data Structures<a name="nested-classes"></a>

<a name="table1808551741084832"></a>
<table><thead align="left"><tr id="row778827067084832"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1949389741084832"><a name="p1949389741084832"></a><a name="p1949389741084832"></a>Data Structure Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p441167528084832"><a name="p441167528084832"></a><a name="p441167528084832"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row181569372084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1615599360084832"><a name="p1615599360084832"></a><a name="p1615599360084832"></a><a href="TaskConfig.md">TaskConfig</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1979168447084832"><a name="p1979168447084832"></a><a name="p1979168447084832"></a>Defines task configurations for a service. </p>
</td>
</tr>
<tr id="row1596912056084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p2014326828084832"><a name="p2014326828084832"></a><a name="p2014326828084832"></a><a href="Service.md">Service</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1673246394084832"><a name="p1673246394084832"></a><a name="p1673246394084832"></a>Indicates the basic type of a service. </p>
</td>
</tr>
</tbody>
</table>

## Macros<a name="define-members"></a>

<a name="table1439620892084832"></a>
<table><thead align="left"><tr id="row1255475717084832"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p603171103084832"><a name="p603171103084832"></a><a name="p603171103084832"></a>Macro Name and Value</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p971257566084832"><a name="p971257566084832"></a><a name="p971257566084832"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1488553304084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1229362526084832"><a name="p1229362526084832"></a><a name="p1229362526084832"></a><a href="Samgr.md#gae9253a7fc1d0acbab91414b4cacc1d84">INHERIT_SERVICE</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1964898069084832"><a name="p1964898069084832"></a><a name="p1964898069084832"></a>Indicates the macro used to inherit the members from the <strong id="b1598347500084832"><a name="b1598347500084832"></a><a name="b1598347500084832"></a>service</strong> class. </p>
</td>
</tr>
</tbody>
</table>

## Typedefs<a name="typedef-members"></a>

<a name="table2092071429084832"></a>
<table><thead align="left"><tr id="row984689225084832"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1136513394084832"><a name="p1136513394084832"></a><a name="p1136513394084832"></a>Typedef Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p1869499282084832"><a name="p1869499282084832"></a><a name="p1869499282084832"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1966096118084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p51083783084832"><a name="p51083783084832"></a><a name="p51083783084832"></a><a href="Samgr.md#gab265648f2dbef93878ad8c383712b43a">TaskType</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p717368430084832"><a name="p717368430084832"></a><a name="p717368430084832"></a>typedef enum <a href="Samgr.md#ga026844c14ab62f42a2e19b54d622609b">TaskType</a>&nbsp;</p>
<p id="p1704144122084832"><a name="p1704144122084832"></a><a name="p1704144122084832"></a>Enumerates task types. </p>
</td>
</tr>
<tr id="row934194729084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p308858747084832"><a name="p308858747084832"></a><a name="p308858747084832"></a><a href="Samgr.md#gae9c7eed07272a46851d61e646b6e86d5">SpecifyTag</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1283453676084832"><a name="p1283453676084832"></a><a name="p1283453676084832"></a>typedef enum <a href="Samgr.md#ga704a59a45a705ef7a15d16e3cab8c1b0">SpecifyTag</a>&nbsp;</p>
<p id="p1330712667084832"><a name="p1330712667084832"></a><a name="p1330712667084832"></a>Specifies the tag for the task shared by multiple services. </p>
</td>
</tr>
<tr id="row1311919775084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p787695984084832"><a name="p787695984084832"></a><a name="p787695984084832"></a><a href="Samgr.md#gaef69bbb3353ea484414c3bbaf8ec362b">TaskPriority</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1752175139084832"><a name="p1752175139084832"></a><a name="p1752175139084832"></a>typedef enum <a href="Samgr.md#gaee057e5f06a7b2533e6f58bde34d15fa">TaskPriority</a>&nbsp;</p>
<p id="p1820465003084832"><a name="p1820465003084832"></a><a name="p1820465003084832"></a>Enumerates task priority. </p>
</td>
</tr>
</tbody>
</table>

## Enumerations<a name="enum-members"></a>

<a name="table2051308407084832"></a>
<table><thead align="left"><tr id="row310796048084832"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p1567897873084832"><a name="p1567897873084832"></a><a name="p1567897873084832"></a>Enumeration Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p1539342999084832"><a name="p1539342999084832"></a><a name="p1539342999084832"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1912834271084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p243872560084832"><a name="p243872560084832"></a><a name="p243872560084832"></a><a href="Samgr.md#ga026844c14ab62f42a2e19b54d622609b">TaskType</a> { <a href="Samgr.md#gga026844c14ab62f42a2e19b54d622609ba5e16ebf94e3d37c775ce51bbe4468e99">SHARED_TASK</a> = 0, <a href="Samgr.md#gga026844c14ab62f42a2e19b54d622609baa1dcd6759a5b023d945ae8c955e48315">SINGLE_TASK</a> = 1, <a href="Samgr.md#gga026844c14ab62f42a2e19b54d622609ba84f51cfcf3f659a99aabbd85924c5376">SPECIFIED_TASK</a> = 2, <a href="Samgr.md#gga026844c14ab62f42a2e19b54d622609baf1a2b164c6a01dd1290f3e79171a8f11">NO_TASK</a> = 0xFF }</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p114636993084832"><a name="p114636993084832"></a><a name="p114636993084832"></a>Enumerates task types. </p>
</td>
</tr>
<tr id="row1096776111084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1112342243084832"><a name="p1112342243084832"></a><a name="p1112342243084832"></a><a href="Samgr.md#ga704a59a45a705ef7a15d16e3cab8c1b0">SpecifyTag</a> { <a href="Samgr.md#gga704a59a45a705ef7a15d16e3cab8c1b0a5cf3038af9f9528363577dd32e4eb955">LEVEL_HIGH</a> = 0, <a href="Samgr.md#gga704a59a45a705ef7a15d16e3cab8c1b0a889647ca5662082ace422e57b1da6647">LEVEL_MIDDLE</a> = 1, <a href="Samgr.md#gga704a59a45a705ef7a15d16e3cab8c1b0a1541ce26187ac34e3e99559669751cf5">LEVEL_LOW</a> = 2, <a href="Samgr.md#gga704a59a45a705ef7a15d16e3cab8c1b0afc8d0aa33bc1d911f92931fa5e287263">LEVEL_CUSTOM_BEGIN</a> }</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1896257827084832"><a name="p1896257827084832"></a><a name="p1896257827084832"></a>Specifies the tag for the task shared by multiple services. </p>
</td>
</tr>
<tr id="row1598062355084832"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p607077759084832"><a name="p607077759084832"></a><a name="p607077759084832"></a><a href="Samgr.md#gaee057e5f06a7b2533e6f58bde34d15fa">TaskPriority</a> { &nbsp;&nbsp;<a href="Samgr.md#ggaee057e5f06a7b2533e6f58bde34d15faaf8a2513dc9a78bb09c0520af65a3f402">PRI_LOW</a> = 9, <a href="Samgr.md#ggaee057e5f06a7b2533e6f58bde34d15faa6f05a14315026dd5f3e5bc87cf745258">PRI_BELOW_NORMAL</a> = 16, <a href="Samgr.md#ggaee057e5f06a7b2533e6f58bde34d15faa8ffe612e81f7db9099f774b853533063">PRI_NORMAL</a> = 24, <a href="Samgr.md#ggaee057e5f06a7b2533e6f58bde34d15faacb1f8848eb9a8c56779869b418ef9cb6">PRI_ABOVE_NORMAL</a> = 32, &nbsp;&nbsp;<a href="Samgr.md#ggaee057e5f06a7b2533e6f58bde34d15faab9766c2f87357a5cc6e3b14ccbc2c54b">PRI_BUTT</a> = 39 }</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p609377876084832"><a name="p609377876084832"></a><a name="p609377876084832"></a>Enumerates task priority. </p>
</td>
</tr>
</tbody>
</table>

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

service.h

Overview

Related Modules:

Description:

Provides basic types and constants of services.

This file is mainly used for service development. This file provides basic capabilities such as lifecycle functions of services, inherited macros, and task configuration.

Since:

1.0

Version:

1.0

Summary

Data Structures

Data Structure Name	Description
TaskConfig	Defines task configurations for a service.
Service	Indicates the basic type of a service.

Macros

Macro Name and Value	Description
INHERIT_SERVICE	Indicates the macro used to inherit the members from the service class.

Typedefs

Typedef Name

Description

typedef enum TaskType

Enumerates task types.

typedef enum SpecifyTag

Specifies the tag for the task shared by multiple services.

typedef enum TaskPriority

Enumerates task priority.

Enumerations

Enumeration Name	Description
TaskType { SHARED_TASK = 0, SINGLE_TASK = 1, SPECIFIED_TASK = 2, NO_TASK = 0xFF }	Enumerates task types.
SpecifyTag { LEVEL_HIGH = 0, LEVEL_MIDDLE = 1, LEVEL_LOW = 2, LEVEL_CUSTOM_BEGIN }	Specifies the tag for the task shared by multiple services.
TaskPriority { PRI_LOW = 9, PRI_BELOW_NORMAL = 16, PRI_NORMAL = 24, PRI_ABOVE_NORMAL = 32, PRI_BUTT = 39 }	Enumerates task priority.

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