On Mon, 15 Jul 2024 08:38:59 GMT, Uwe Schindler <uschind...@openjdk.org> wrote:
>> src/hotspot/share/prims/scopedMemoryAccess.cpp line 179: >> >>> 177: // >>> 178: // The safepoint at which we're stopped may be in between the >>> liveness check >>> 179: // and actual memory access, but is itself 'outside' of >>> @Scoped code >> >> what is `@Scoped code`? I don't see that annotation mentioned here: >> https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/lang/ScopedValue.html > > This is the whole magic around the shared arena. It is not public API and > internal to Hotspot/VM: > - > https://github.com/openjdk/jdk/blob/a96de6d8d273d75a6500e10ed06faab9955f893b/src/java.base/share/classes/jdk/internal/misc/X-ScopedMemoryAccess.java.template#L117-L119 > - > https://github.com/openjdk/jdk/blob/a96de6d8d273d75a6500e10ed06faab9955f893b/src/hotspot/share/prims/scopedMemoryAccess.cpp#L143-L149 > what is `@Scoped code`? I don't see that annotation mentioned here: > https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/lang/ScopedValue.html This is nothing to do with scoped values, instead this is an annotation declared in jdk.internal.misc.ScopedMemoryAccess that is known to the VM. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/20158#discussion_r1677489415
