RFR: 8171508: Remove -Dsun.java.launcher.is_altjvm option [v5]

[Thomas Stuefe]

On Tue, 8 Apr 2025 07:52:19 GMT, David Holmes <dholmes at openjdk.org> wrote:

> > Are the Posix variants all identical? If yes, can we move this to os::posix.cpp? If not, what are the differences?
> 
> AIX has a different dll lookup mechanism, but otherwise these should be pretty much identical. Windows also only really differs in the lookup mechanism. Maybe new RFE to refactor these and share some code?

Okay. The code could also be simpler if it were to use stringStream, spanned over the caller-provided buffer. No character counting and truncation handling needed then (but we would need to add truncation detection to stringStream, but that is really easy).

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PR Comment: https://git.openjdk.org/jdk/pull/24310#issuecomment-2785617995