Review Request: JDK-8001334 - Remove use of JVM_* functions from java.io code

[Dan Xu]

Sure,Alan.

I'd like to get suggestions from all expertsto help find out potential 
issues if anyexists.Thanks!

-Dan

On 01/23/2013 07:27 AM, Alan Bateman wrote:
> Dan - I'm going to move this review to core-libs-dev, hope that is okay.
>
> On 22/01/2013 07:25, Dan Xu wrote:
>> Hi,
>>
>> Interruptible I/O on Solaris has been highly problematicand undercut 
>> portability. And the long term plan is to remove it completely from 
>> JDK. In JDK6, the VM option, UseVMInterruptibleIO, was introduced as 
>> part of a phase-out plan to allow developers/customers to disable it. 
>> In JDK7, the default value of UseVMInterruptibleIO flag was changed 
>> to"false" to make Solaris blockingI/O operations uninterruptible by 
>> Java thread interruptsby default.
>>
>> The last stepof this phase-out plan is to remove the feature 
>> completely. And it is good to do it now in JDK8. In this fix, I 
>> removed all related codes in IO area by replacing JVM_* functions 
>> with direct system calls. Please help review the proposed fix. 
>> Similar changes in networking area will be done via a different bug.
>>
>> Bug: https://jbs.oracle.com/bugs/browse/JDK-8001334
>> webrev: http://cr.openjdk.java.net/~dxu/8001334/webrev.00/ 
>> <http://cr.openjdk.java.net/%7Edxu/8001334/webrev.00/>
>>
>> Reference:
>> http://ccc.us.oracle.com/6423562
>> http://ccc.us.oracle.com/6554406
>>
>> Best,
>>
>> -Dan
>

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