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

Michal Simek monstr at monstr.eu
Sun Jan 23 10:28:40 UTC 2011


Rich Felker wrote:
> On Sat, Jan 22, 2011 at 01:40:45PM +0100, Mikhail Gusarov wrote:
>> 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.
> 
> Indeed this is a much better solution. Calling sleep(1) is really
> annoying.

Give me what I should test and I will do it.

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian


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