Function OH_NativeBuffer_Map 

pub unsafe extern "C" fn OH_NativeBuffer_Map(
    buffer: *mut OH_NativeBuffer,
    virAddr: *mut *mut c_void,
) -> i32

Available on crate feature native_buffer only.

Provide direct cpu access to the OH_NativeBuffer in the process’s address space.

This interface needs to be used in conjunction with OH_NativeBuffer_Unmap.

This interface is a non-thread-safe type interface.

Required System Capabilities: SystemCapability.Graphic.Graphic2D.NativeBuffer

Arguments

• buffer - Indicates the pointer to a OH_NativeBuffer instance.

• virAddr - Indicates the address of the OH_NativeBuffer in virtual memory.

Returns

• Returns an error code, 0 is success, otherwise, failed.

Available since API-level: 9

Version: 1.0