On 08/05/2013 08:39, Mateusz Guzik wrote:
What happens to fd after the fork? Is it closed or simply remains
non-functional?
If the former, I suggest the patch is altered to leave fd with badfdops
in place so that epoll users get less surprised.
I will try to alter it this way. However, there is no easy way of
testing such case, apart from compiling specially crafted linux program.
Also forking after poll is a marginal case. Doubt it ever matters in
practice.
I found two more problems with the patch: epoll_wait treats timeout as
if it was in microseconds, when it is in milliseconds. Also epoll_wait
doesn't check for the special case of timeout=-1. I corrected both
issues. Will do additional testing, and will submit PR with an updated
patch when done.
Yuri
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