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Signed-off-by: Gloria <wusongqing@huawei.com>
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# safwk\_lite<a name="EN-US_TOPIC_0000001081445008"></a>
# safwk_lite
- [Introduction](#section11660541593)
- [Directory Structure](#section1464106163817)
- [Usage](#section10729231131110)
- [Repositories Involved](#section176111311166)
## Introduction
## Introduction<a name="section11660541593"></a>
The Lite System Ability Framework (safwk_lite) component provides an empty process for running basic services.
The **safwk\_lite** module provides an empty process for running basic services.
## System Architecture
## Directory Structure<a name="section1464106163817"></a>
Figure 1 Service-oriented architecture
The following table describes the directory structure of the Distributed Scheduler.
**Table 1** Directory structure of the major source code
![](figures/en-us_image_0000001128146921.png)
<a name="table43531856201716"></a>
<table><thead align="left"><tr id="row20416556201718"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p10416456121716"><a name="p10416456121716"></a><a name="p10416456121716"></a>Directory</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p1841645631717"><a name="p1841645631717"></a><a name="p1841645631717"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row104169564177"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p17416125614179"><a name="p17416125614179"></a><a name="p17416125614179"></a>safwk_lite</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p04163569170"><a name="p04163569170"></a><a name="p04163569170"></a>Implementation of the foundation process</p>
</td>
</tr>
</tbody>
</table>
- Provider: a service provider that provides capabilities (external APIs) for the system.
- Consumer: a service consumer that invokes the features (external APIs) provided by the service.
- Samgr: an agency that manages capabilities provided by providers and helps consumers discover providers' capabilities.
The source code directory structure of the **safwk\_lite** module is as follows:
## Directory Structure
The following table describes the directory structure of the safwk_lite source code.
**Table 1** Directory structure of the major source code
| Name | Description |
| ------------------------------------------------------------ | -------------------------------------- |
| safwk_lite | Implementation of the foundation process. |
| bool Publish(sptr\<IRemoteObject> systemAbility); | Publishes a system ability. |
| virtual void DoStartSAProcess(const std::string& profilePath) = 0; | Enables a system ability based on its profile.|
The source code directory structure of the safwk\_lite component is as follows:
```
├── BUILD.gn
@@ -40,11 +38,11 @@ The source code directory structure of the **safwk\_lite** module is as follow
└── main.c
```
## Usage<a name="section10729231131110"></a>
## Usage
Add a service to the foundation process.
After writing the service based on the service template, add the dependencies to the **BUILD.gn** file.
After writing the service information based on the service template, add the dependencies to the **BUILD.gn** file.
```
deps = [
@@ -58,9 +56,9 @@ deps = [
]
```
## Repositories Involved<a name="section176111311166"></a>
## Repositories Involved
System Ability Management Subsystem
Samgr
[systemabilitymgr\_samgr\_lite](https://gitee.com/openharmony/systemabilitymgr_samgr_lite)
@@ -69,4 +67,3 @@ System Ability Management Subsystem
[systemabilitymgr\_safwk](https://gitee.com/openharmony/systemabilitymgr_safwk)
[**systemabilitymgr\_safwk\_lite**](https://gitee.com/openharmony/systemabilitymgr_safwk_lite)