On Mon, 15 Apr 2024 07:50:24 GMT, Per Minborg <[email protected]> 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)
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PR Review Comment: https://git.openjdk.org/jdk/pull/18779#discussion_r1565537503