hi_mpi_sys_close_epoll

The Atlas 200/300/500 Inference Product does not support this API.

The Atlas Training Series Product does not support this API.

Description

Closes the epoll instance of media data processing when the epoll model is used to perform input and output operations on the media data processing channel.

Restrictions

hi_mpi_sys_create_epoll, hi_mpi_sys_ctl_epoll, hi_mpi_sys_wait_epoll, and hi_mpi_sys_close_epoll must be used together to operate the input and output data of the media data processing channel by using the epoll programming model.
The VPC function does not support this API.

Prototype

hi_s32 hi_mpi_sys_close_epoll(hi_s32 epoll_fd)

Parameters

Parameter	Input/Output	Description
epoll_fd	Input	File descriptor of the epoll instance to be closed. You can create a file descriptor by calling hi_mpi_sys_create_epoll.

Returns

0: success
Other values: failure. For details, see Common Return Codes.

Parent topic: Common APIs