keep_alive/4

Documentation
- Reference manual
- Packages
  - SWI-Prolog HTTP support
    - The HTTP client libraries
      - library(http/http_open): HTTP client library
        
        http_open/3
        
        map_method/2
        
        disable_encoding_filter/1
        
        http_set_authorization/2
        
        open_hook/6
        
        keep_alive/4
        
        http_close_keep_alive/1
        
        open_options/2
        
        write_cookies/3
        
        update_cookies/3

Availability::- use_module(library(http/http_open)).

[det]keep_alive(+StreamPair, +Host, +In, -Left)

Callback when closing the range stream used to process the content of the reply. This callback makes the stream available for future keep-alive connections or closes the stream. The stream is closed if

There are too many bytes left unprocessed in the range stream.
There are too many pooled connections.