There are three `abort()` calls within the I/O subsystem related to
Solaris ports (`port_associate()`, `port_dissociate()`, and
`port_getn()`). To simplify debugging issues where the kernel is
setting `errno` and returning failure, call `perror()` to see the
`errno` value cause of the failure.
PR-URL: https://github.com/libuv/libuv/pull/2200
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
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