Integrated: JEP 386 patch - minor cleanup

[Alexander Scherbatiy]

On Fri, 28 Aug 2020 10:09:23 GMT, Alexander Scherbatiy <alexsch at openjdk.org> wrote:

> "JEP 386 patch - minor cleanup" changes discussed on portola-dev alias:
> https://mail.openjdk.java.net/pipermail/portola-dev/2020-August/000471.html
> 
> Changed:
> * RELEASE_FILE_OS_LIBC is introduced in make files
> * glibc_version is renamed to libc_version
> * added fix for numa_node_to_cpus NUMA method
> * WhiteBox is used to check musl libc in tests
> * Platform.isBusybox(tool) method is added to check busybox in tests
> 
> Removed:
> * HOTSPOT_TARGET_LIBC flag
> * workaround for issues for execvp file call in childproc.c file
> * workaround for coredump issue in ps_core.c file
> 
> Skipped:
> * isnanf change from globalDefinitions_gcc.hpp
> * SIGRTMAX changes from NativeThread.c and linux_close.c files

This pull request has now been integrated.

Changeset: 546f819e
Author:    Alexander Scherbatiy <alexsch at openjdk.org>
Committer: Mikael Vidstedt <mikael at openjdk.org>
URL:       https://git.openjdk.java.net/portola/commit/546f819e
Stats:     443 lines in 36 files changed: 195 ins; 142 del; 106 mod

JEP 386 patch - minor cleanup

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PR: https://git.openjdk.java.net/portola/pull/12