Re: InterlockedExchangeAdd64

Tomas Hajny via fpc-pascal <[email protected]>
Newsgroups gmane.comp.compilers.free-pascal.general
Message-ID <[email protected]> 
On 2025-01-10 15:43, Adriaan van Os via fpc-pascal wrote:
> I have an arm64 (aarch64) test program on MacOS that calls
> InterlockedExchangeAdd64 with a target variable that is not 8-byte
> aligned. Running the test program emits "EBusError: Bus error or
> misaligned data access".
> 
> So far so good.
> 
> But now I install a system.ErrorProc and run the same program. It
> emits, instead of the EBusError, Runtime Error 214.
> 
> This puzzles me.
> 
> Of course, I can add a bug report.

Is this really a bug? This depends on what you do in your ErrorProc 
implementation, doesn't it?

Tomas
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