RFR: 8303942: FileMapInfo::write_bytes aborts on a short os::write

[Afshin Zafari]

On Mon, 27 Mar 2023 08:04:23 GMT, Afshin Zafari <duke at openjdk.org> wrote:

> `os::write` is called in a loop until all the requested size is written. The number of bytes parameter(`size_t nbytes`) is casted to `ssize_t size` to be able to check `> 0` condition. To enable pointer arithmetic, the `const void *` is casted to `const char *` for addition and then recasted back.
> 
> ### Test
> local: hotspot:tier1
> mach5 tier1-5

A new PR https://github.com/openjdk/jdk/pull/13750, is created for changing the `os::write` itself to include a loop and fix the calls and other wrong uses of it in the code.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/13188#issuecomment-1532829689