meijian
c0c9a6007c
[ping] fix ping early return when ping is interrupted by ifdown and poll return ...
During a long ping, the tester will repeatedly switch the dev interface on and off.
When the interface is down and ping is in poll sem_wait state,ifdown will trigger event of poll and post sem.
The poll will return and revent is 0x18 POLLHUP | POLLERR.Then recvfrom will process and return error to stop ping.
if ((flags & NETDEV_DOWN) != 0)
{
eventset |= (POLLHUP | POLLERR);
}
Signed-off-by: meijian <meijian@xiaomi.com>
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c0c9a6007c