`attach_function': Function 'getdtablesize' not found in [libc.so] (FFI::NotFoundError)

[binrusdi]

I tried running rackup on termux, but it returned a message about FFI.

/data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/ffi-1.15.5/lib/ffi/library.rb:273:in attach_function': Function 'getdtablesize' not found in [libc.so] (FFI::NotFoundError) from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/ethon-0.16.0/lib/ethon/libc.rb:17:in <module:Libc>' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/ethon-0.16.0/lib/ethon/libc.rb:7:in module:Ethon' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/ethon-0.16.0/lib/ethon/libc.rb:2:in <top (required)>' from <internal:/data/data/com.termux/files/usr/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:37:in require' from internal:/data/data/com.termux/files/usr/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb:37:in require' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/ethon-0.16.0/lib/ethon.rb:15:in <top (required)>' from internal:/data/data/com.termux/files/usr/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb:37:in require' from <internal:/data/data/com.termux/files/usr/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:37:in require' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/typhoeus-1.4.0/lib/typhoeus.rb:2:in <top (required)>' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/bundler-2.4.6/lib/bundler/runtime.rb:60:in require' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/bundler-2.4.6/lib/bundler/runtime.rb:60:in block (2 levels) in require' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/bundler-2.4.6/lib/bundler/runtime.rb:55:in each' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/bundler-2.4.6/lib/bundler/runtime.rb:55:in block in require' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/bundler-2.4.6/lib/bundler/runtime.rb:44:in each' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/bundler-2.4.6/lib/bundler/runtime.rb:44:in require' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/bundler-2.4.6/lib/bundler.rb:195:in require' from /data/data/com.termux/files/home/devdocs/lib/docs.rb:2:in <top (required)>' from <internal:/data/data/com.termux/files/usr/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:37:in require'
from internal:/data/data/com.termux/files/usr/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb:37:in require' from /data/data/com.termux/files/home/devdocs/lib/app.rb:38:in block in class:App'
from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/sinatra-3.1.0/lib/sinatra/base.rb:1551:in configure' from /data/data/com.termux/files/home/devdocs/lib/app.rb:14:in class:App'
from /data/data/com.termux/files/home/devdocs/lib/app.rb:6:in <top (required)>' from <internal:/data/data/com.termux/files/usr/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:37:in require'
from internal:/data/data/com.termux/files/usr/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb:37:in require' from /data/data/com.termux/files/home/devdocs/config.ru:5:in block in

'
from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/builder.rb:116:in eval' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/builder.rb:116:in new_from_string'
from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/builder.rb:105:in load_file' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/builder.rb:66:in parse_file'
from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/server.rb:349:in build_app_and_options_from_config' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/server.rb:249:in app'
from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/server.rb:422:in wrapped_app' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/server.rb:312:in block in start'
from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/server.rb:379:in handle_profiling' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/server.rb:311:in start'
from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/lib/rack/server.rb:168:in start' from /data/data/com.termux/files/usr/lib/ruby/gems/3.2.0/gems/rack-2.2.8/bin/rackup:5:in <top (required)>'
from /data/data/com.termux/files/usr/bin/rackup:25:in load' from /data/data/com.termux/files/usr/bin/rackup:25:in '`