RFR: JDK-8058510 - race condition in UART write

[Jen Dority]

Updated the webrev in place.

Changed to assign sig->parameter when signalling before waiting, to 
check for memory allocation failure and also fixed the error return code 
for waiitForSignal -- was BUSY, now OOM.

Jen

On 9/16/2014 3:41 PM, Sergey Nazarkin wrote:
> Hi Jen
>
> shouldn’t we assign signal parameter somewhere after line 317?
>
> /Sergey
>
> On 16 Sep 2014, at 23:24, Jen Dority <jen.dority at oracle.com> wrote:
>
>> Still looking for a review for this.
>>
>> On 9/15/2014 5:34 PM, Jen Dority wrote:
>>> issue: https://bugs.openjdk.java.net/browse/JDK-8058510
>>> webrev: http://cr.openjdk.java.net/~jld/8058510/
>>>
>>> Hi All,
>>>
>>> Need a review for this changeset which fixes a hang when writing to UART devices.
>>>
>>> Thanks,
>>> Jen
>>>
>>>