epoll on illumos vs linux (python example)

gistfile1.txt

Linux:

Python 3.5.1 (default, Mar  3 2016, 09:29:07) 
[GCC 5.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> import select
>>> os.uname()
posix.uname_result(sysname='Linux', nodename='archlinux.vagrant.vm', release='4.5.0-1-ARCH', version='#1 SMP PREEMPT Tue Mar 15 09:41:03 CET 2016', machine='x86_64')
>>> select.epoll(select.EPOLL_CLOEXEC).close()
>>> select.epoll(flags=123456)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OSError: [Errno 22] Invalid argument

illumos (OpenIndiana):
Python 3.5.2 (default, Oct 19 2016, 22:05:28) 
[GCC 4.9.4] on sunos5
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> import select
>>> os.uname()
posix.uname_result(sysname='SunOS', nodename='external.oi-build.r61.net', release='5.11', version='illumos-c7e7976', machine='i86pc')
>>> select.epoll(select.EPOLL_CLOEXEC).close()
>>> select.epoll(flags=123456)
<select.epoll object at 0xfffffd7fff1f8240>