RFR: JDK-8227021: VM fails if any sun.boot.library.path paths are longer than JVM_MAXPATHLEN

[David Holmes]

Hi Adam,

Adding in serviceability-dev as you've made changes in that area too.

Will take a closer look at the changes soon.

David
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On 18/07/2019 2:05 am, Adam Farley8 wrote:
> Hey All,
> 
> Reviewers and sponsors requested to inspect the following.
> 
> I've re-written the code change, as discussed with David Holes in emails
> last week, and now the webrev changes do this:
> 
> - Cause the VM to shut down with a relevant error message if one or more
> of the sun.boot.library.path paths is too long for the system.
> - Apply similar error-producing code to the (legacy?) code in linker_md.c.
> - Allow the numerical parameter for split_path to indicate anything we
> plan to add to the path once split, allowing for more accurate path length
> detection.
> - Add an optional parameter to the os::split_path function that specifies
> where the paths came from, for a better error message.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8227021
> 
> New Webrev: http://cr.openjdk.java.net/~afarley/8227021.1/webrev/
> 
> Best Regards
> 
> Adam Farley
> IBM Runtimes
> 
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