On Mon, 15 Apr 2024 07:50:24 GMT, Per Minborg <pminb...@openjdk.org> wrote:
> This PR proposes to add a new method `MemorySegment::maxByteAlignment` that > returns the maximum byte alignment of a segment (both heap and native > segments). > > Clients can then use this method to determine if a segment is properly > aligned for any given layout (e.g. following a `MemorySegment::reinterpret` > operation). test/jdk/java/foreign/TestMemoryAlignment.java line 154: > 152: Arena arena = Arena.ofConfined()) { > 153: var segment =channel.map(FileChannel.MapMode.READ_WRITE, 0L, > 32L, arena); > 154: assertTrue(segment.maxByteAlignment() >= Long.BYTES); Is this always the case? Smells of platform-dependent... (e.g. think also of x86) ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/18779#discussion_r1565537503