RFR (S) JNI Specification Issue: JDK-8034923 JNI: static linking assertions specs are incomplete and are in the wrong section of spec

David Simms david.simms at oracle.com
Tue Apr 14 15:06:32 UTC 2015


Thanks Harold,

Even after 3 pairs of eyes have been over this, small wording errors 
leak through, I appreciate the "nit" spotting...will update.

Cheers
/David Simms

On 14/04/2015 4:49 p.m., harold seigel wrote:
> Hi David,
>
> The changes look good.  Just a couple of nits (that can be ignored):
>
> invocation.html:
>
> 1. "this applies..." could be a new sentence.  Also, remove the word 
> 'even'?
>
> +<p>A native library may be either dynamically linked or statically 
> linked with
> +the VM. The manner in which the library and VM image are combined is
> +implementation dependent. A <code>System.loadLibrary</code> or 
> equivalent
> +API must succeed for a library to be considered loaded,*this 
> applies*  to both
> +dynamically and even statically linked libraries.
>
>
>
> 2. Change "If dynamically linked library defines ..." to "If *a* 
> dynamically linked library defines ..."
>
>
> 3. Remove the second 'of'
>
> +libraries may define <i>load</i> and <i>unload</i> function hooks. 
> Naming of
> +these*of*  functions depends upon whether the library was dynamically 
> or statically
> +linked.</p>
>
>
>
> 4. Rephrase "the programmer should be conservative on using Java VM 
> services ..."  to "the programmer should *use VM services 
> conservatively* ..."
>
>
> jni-8.html:
>
> 1. Change "during class load and unloading." to "during class 
> load*ing* and unloading."
>
>
> 2. Change "will be prohibited to link a library ..." to "will be 
> prohibited *from linking* a library ..."
>
>
> If you decide to use any of these suggestion, there's no need to post 
> a new webrev.
>
> Thanks, Harold
>
> On 4/7/2015 7:37 AM, David Simms wrote:
>>
>> Couple of minor updates to the posted review
>>
>>  * SINCE: JDK/JRE 1.8 tags on JNI_OnLoad_L and JNI_OnUnload_L
>>  * table mapping SE->JNI should use SE 6/7/8 not 6.0/7.0/8.0
>>  * jniTOC.html: removed "Changes" link for ch.1.
>>
>>
>>
>> On 02/04/15 10:47, David Simms wrote:
>>>
>>> Greetings,
>>>
>>> JDK Bug: https://bugs.openjdk.java.net/browse/JDK-8034923
>>>
>>> Web review: http://cr.openjdk.java.net/~dsimms/jnispec/8034923/
>>>
>>> Original (for HTML comparison): 
>>> http://docs.oracle.com/javase/8/docs/technotes/guides/jni/index.html
>>>
>>>
>>> Summary of changes:
>>>
>>> Wholly confined to documentation changes, no code modifications made:
>>>
>>>   * The "index.html" has named a "JNI version" number which has never
>>>     been consistent. After some initial consultation with Stuart Marks
>>>     and Alex Buckley, we decided to remove version from the document.
>>>       o There are minor clarifications added to "enhancements.html"
>>>         and "GetVersion" function documentation, listing the platform
>>>         release mapped to JNI_VERSION_<X_Y> constants.
>>>   * Added the missing "JNI_VERSION_1_8" constant to GetVersion 
>>> constants.
>>>   * Moved most of the details regarding static library support (JEP
>>>     178) from "Design - Compiling, Loading and Linking Native Methods"
>>>     to "Invocation API - Library and Version Management"
>>>       o Rewording to clearly delineate static vs dynamic linked
>>>         library load and unload hooks
>>>       o Emphasis on statically linked libraries requiring
>>>         "JNI_OnLoad_<L>" hook.
>>>       o Typos, function declaration and linkage sections cleaned up.
>>>   * Reinstated the "Enhancements" links to JDK 1.2 & JDK 1.4 changes,
>>>     and added new files for 1.6 and 1.8.
>>>
>>>
>>> Cheers
>>> /David Simms
>>
>



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