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Mono frustrations
I’m porting Voron to Mono (currently testing on Ubuntu). I’m using Mono 3.2.8, FWIW, and working in MonoDevelop.
So far, I have run into the following tangles that are annoying. Attempting to write to memory that is write protected results in null reference exception, instead of access violation exception. I suspect that this is done because NRE is generated on any SIGSEGV, but that led me to a very different path of discovery.
Also, consider the following code:
using System.IO;
using System.IO.Compression;
namespace HelloWorld
{
class MainClass
{
public static void Main (string[] args)
{
new ZipArchive (new MemoryStream ());
}
}
}
This results in the following error:
Unhandled Exception:
System.NotImplementedException: The requested feature is not implemented.
at HelloWorld.MainClass.Main (System.String[] args) [0x00006] in /home/ayende/HelloWorld/HelloWorld/Program.cs:11
[ERROR] FATAL UNHANDLED EXCEPTION: System.NotImplementedException: The requested feature is not implemented.
at HelloWorld.MainClass.Main (System.String[] args) [0x00006] in /home/ayende/HelloWorld/HelloWorld/Program.cs:11
This is annoying in that it isn’t implemented, but worse from my point of view is that I don’t see any ZipArchive in the stack trace. That made me think that it was my code that was throwing this.
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