chao.an 39146ee367 fs/epoll: add asynchronous epoll control support
In current implementation, the asynchronous call "epoll_ctl()" unable
to wakeup the thread if pending on "epoll_wait()", the newly
added/delete FD cannot be used in the current waiting list,
this patch uses a reserved file object to wake up pending poll internal,
re-traverse the waiting list when a new event comes.

Signed-off-by: chao.an <anchao@xiaomi.com>
2020-12-27 11:08:12 -06:00
..
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