chao an 09dfbdf4c7 netutls/dhcpc: treat EINTR as normal errno
A return code of EINTR is perfectly normal, and isn't an error as such.
It's an indication that your program may need to do something because
a signal occurred, but if not, should re-call recv().

Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-27 12:20:25 +08:00
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