On Wed, 8 Mar 2023 23:09:06 GMT, Mandy Chung <mch...@openjdk.org> wrote:
>> Improvements to support OS specific customization for JDK internal use: >> - To select values and code; allowing elimination of unused code and values >> - Optionally evaluated by build processes, compilation, or archiving (i.e. >> CDS) >> - Simple API to replace adhoc comparisons with `os.name` >> - Clear and consistent use across build, runtime, and JDK modules >> >> The PR includes updates within java.base to use the new API. > > src/java.base/share/classes/jdk/internal/misc/OperatingSystem.java line 85: > >> 83: ; >> 84: >> 85: // Cache a copy of the array for lightweight indexing > > This is a reference to the Enum values array (not a copy). The implementation of OperatingSystem.values() does a clone() of the array. It would be risky to allow the enum to change its own members. ------------- PR: https://git.openjdk.org/jdk/pull/12931
