[PATCH] getty: Wait until all output written to stdout has been transmitted

Mikhail Gusarov dottedmag at dottedmag.net
Sat Jan 22 12:40:45 UTC 2011

Twas brillig at 02:57:47 22.01.2011 UTC+01 when vda.linux at googlemail.com
did gyre and gimble:

 DV> But it may lead to a hang if serial line gets mangled: in some
 DV> situations tcdrain may wait forever.

 DV> I propose adding sleep(1) before the flush.  Can you verify that it
 DV> works?

alarm+tcdrain maybe? This way it won't wait a second if there is nothing
to drain.

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