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aio-posix: don't pass ns timeout to epoll_wait() 

Don't pass the nanosecond timeout into epoll_wait(), which expects
milliseconds.

The epoll_wait() timeout value does not matter if qemu_poll_ns()
determined that the poll fd is ready, but passing a value in the wrong
units is still ugly.  Pass a 0 timeout to epoll_wait() instead.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20200214171712.541358-3-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2020-02-14 17:17:09 +00:00
parent ff29ed3a33
commit ca8c6b2275
1 changed files with 3 additions and 0 deletions
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3
util/aio-posix.c
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@ -117,6 +117,9 @@ static int aio_epoll(AioContext *ctx, int64_t timeout)
if (timeout > 0) {
ret = qemu_poll_ns(&pfd, 1, timeout);
if (ret > 0) {
timeout = 0;
}
}
if (timeout <= 0 || ret > 0) {
ret = epoll_wait(ctx->epollfd, events,