On Thu, 23 Jan 2025 13:07:03 GMT, Matthias Ernst <d...@openjdk.org> wrote:
> Ah no, the allocate fails of course: > > ``` > java.lang.WrongThreadException: Attempted access outside owning thread > at > java.base/jdk.internal.foreign.MemorySessionImpl.wrongThread(MemorySessionImpl.java:322) > at > java.base/jdk.internal.misc.ScopedMemoryAccess$ScopedAccessError.newRuntimeException(ScopedMemoryAccess.java:114) > at > java.base/jdk.internal.foreign.MemorySessionImpl.checkValidState(MemorySessionImpl.java:217) > at > java.base/jdk.internal.foreign.SegmentFactories.allocateSegment(SegmentFactories.java:181) > at > java.base/jdk.internal.foreign.ArenaImpl.allocateNoInit(ArenaImpl.java:52) > at java.base/jdk.internal.foreign.ArenaImpl.allocate(ArenaImpl.java:57) > at java.base/jdk.internal.foreign.ArenaImpl.allocate(ArenaImpl.java:31) > at > java.base/java.lang.foreign.SegmentAllocator.allocate(SegmentAllocator.java:644) > at > java.base/jdk.internal.foreign.abi.BufferStack$PerThread.<init>(BufferStack.java:73) > at > java.base/jdk.internal.foreign.abi.BufferStack$1.initialValue(BufferStack.java:50) > at > java.base/jdk.internal.foreign.abi.BufferStack$1.initialValue(BufferStack.java:47) > at java.base/java.lang.ThreadLocal.setInitialValue(ThreadLocal.java:224) > at java.base/java.lang.ThreadLocal.get(ThreadLocal.java:193) > at > java.base/java.lang.ThreadLocal.getCarrierThreadLocal(ThreadLocal.java:180) > at java.base/java.lang.System$1.getCarrierThreadLocal(System.java:2237) > at > java.base/jdk.internal.misc.CarrierThreadLocal.get(CarrierThreadLocal.java:39) > at > java.base/jdk.internal.foreign.abi.BufferStack.pushFrame(BufferStack.java:61) > at TestBufferStack.lambda$stress$1(TestBufferStack.java:113) > ``` I was under the impression (which appears incorrect) that `initialValue` would be called by the carrier thread as well. So, we basically have a mismatch where `initialValue` is called with thread A, but `terminate` is called on thread B ? ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/23142#discussion_r1927067860
