On Tue, 20 May 2025 11:01:46 GMT, Per Minborg <pminb...@openjdk.org> wrote:
>> Per Minborg has updated the pull request incrementally with one additional >> commit since the last revision: >> >> Fix copyright year > > src/java.base/windows/classes/sun/nio/ch/WindowsAsynchronousFileChannelImpl.java > line 459: > >> 457: >> 458: boolean pending = false; >> 459: NIO_ACCESS.acquireSession(buf); > > Here, we acquire the session *after* we have obtained the address. This is > safe as we do not touch the segment before it is acquired. If a segment is > deallocated before we try to acquire the session, an exception will be thrown. Is there documentation on when sessions should be acquired/released? Is this only for when using MemorySegment? In security area, the bytes are passed to the JNI code which calls the native library to process the bytes and I wonder if sessions should be acquired/released for these. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/25324#discussion_r2100870190