harmony 鸿蒙purgeable_memory.h
purgeable_memory.h
Overview
Declares the APIs for managing purgeable memory at the native layer.
Since
10
Related Modules
Summary
Types
| Name | Description |
|---|---|
| OH_PurgeableMemory | Defines the type name of the OH_PurgeableMemory data. |
| (*OH_PurgeableMemory_ModifyFunc) (void *, size_t, void *) | Defines the function for rebuilding purgeable memory data. |
Functions
| Name | Description |
|---|---|
| *OH_PurgeableMemory_Create (size_t size, OH_PurgeableMemory_ModifyFunc func, void *funcPara) | Creates a PurgeableMemory object. |
| OH_PurgeableMemory_Destroy (OH_PurgeableMemory *purgObj) | Destroys a PurgeableMemory object. |
| OH_PurgeableMemory_BeginRead (OH_PurgeableMemory *purgObj) | Starts a read operation on a PurgeableMemory object. If purgeable memory is reclaimed, the rebuilding function is called to rebuild it. |
| OH_PurgeableMemory_EndRead (OH_PurgeableMemory *purgObj) | Ends a read operation on a PurgeableMemory object. Now the system can reclaim purgeable memory. |
| OH_PurgeableMemory_BeginWrite (OH_PurgeableMemory *purgObj) | Begins a write operation on the PurgeableMemory object. If purgeable memory is reclaimed, the rebuilding function is called to rebuild it. |
| OH_PurgeableMemory_EndWrite (OH_PurgeableMemory *purgObj) | Ends a write operation on the PurgeableMemory object. Now the system can reclaim purgeable memory. |
| OH_PurgeableMemory_GetContent (OH_PurgeableMemory *purgObj) | Obtains the memory data of a PurgeableMemory object. |
| OH_PurgeableMemory_ContentSize (OH_PurgeableMemory *purgObj) | Obtains the memory data size of a PurgeableMemory object. |
| OH_PurgeableMemory_AppendModify (OH_PurgeableMemory *purgObj, OH_PurgeableMemory_ModifyFunc func, void *funcPara) | Adds a function for modifying a PurgeableMemory object. |
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