[Bug 3211] __dns_lookup and poll logic (unexpected timeouts) [PATCH]

bugzilla at busybox.net bugzilla at busybox.net
Wed Apr 18 18:10:59 UTC 2012


https://bugs.busybox.net/show_bug.cgi?id=3211

--- Comment #6 from Leonid <lly.dev at gmail.com> 2012-04-18 18:10:59 UTC ---
I agree that revents check is a good behavior, but glibc is huge due it has as
much checks as possible. uClibc must be small!
Moreover, glibc trying to use nonblocking sockets for names resolve.

Unfortunately, I still can't reproduce problem.

Since we have connection-less datagram(UDP) socket, poll() can set POLLERR |
POLLHUP in case of problems on local host only, IMHO. Will try to experiment
with invalid interface routing, etc.

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