Fix poll_oneoff
's handling of non-regular files.
#6258
Merged
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poll_oneoff
usessystem_interface::ReadReady
to compute how many bytes are ready to be read, which is part of the Preview1poll_oneoff
API. This updates to system-interface 0.25.7 which has a fix to handle special files such as /dev/urandom and /dev/null properly.Fixes #6239.