8205132: Remove Thread.countStackFrames()

[Daniel D. Daugherty]

On 10/23/19 3:25 AM, Alan Bateman wrote:
>
> Thread::countStackFrames has been deprecated for 20+ years and has 
> been marked for-removal since Java SE 9. I'd like to remove it for 
> Java SE 14. It's was never a well-defined method and I've been unable 
> to find anything that uses it. The StackWalker API is a much better 
> solution for code that is interested in the number of stack frames.
>
> The changes to remove this method are here:
>    http://cr.openjdk.java.net/~alanb/8205132/webrev/

make/hotspot/symbols/symbols-unix
     No comments.

src/hotspot/share/include/jvm.h
     No comments.

src/hotspot/share/prims/jvm.cpp
     No comments.

src/java.base/share/classes/java/lang/Thread.java
     No comments.

src/java.base/share/native/libjava/Thread.c
     No comments.

test/hotspot/jtreg/runtime/Thread/CountStackFramesAtExit.java
     No comments.

Thumbs up.

Dan


>
> The CSR will need a Reviewer:
>    https://bugs.openjdk.java.net/browse/JDK-8232654
>
> -Alan