WACS.WASI.Threads 0.2.1

.NET 8.0 This package targets .NET 8.0. The package is compatible with this framework or higher. .NET Standard 2.1 This package targets .NET Standard 2.1. The package is compatible with this framework or higher. 
dotnet add package WACS.WASI.Threads --version 0.2.1
                    


                    

                
NuGet\Install-Package WACS.WASI.Threads -Version 0.2.1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="WACS.WASI.Threads" Version="0.2.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="WACS.WASI.Threads" Version="0.2.1" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="WACS.WASI.Threads" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add WACS.WASI.Threads --version 0.2.1
                    


                    

                
#r "nuget: WACS.WASI.Threads, 0.2.1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package WACS.WASI.Threads@0.2.1
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=WACS.WASI.Threads&version=0.2.1
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=WACS.WASI.Threads&version=0.2.1
                    


                            Install as a Cake Tool

WACS.WASI.Threads

wasi-threads host adapter for the WACS WebAssembly runtime — implements wasi:thread-spawn on top of Wacs.Core's built-in atomics + wait/notify operations. Lets shared-memory wasm modules spawn worker threads against a real System.Threading backend.

Install

dotnet add package WACS.WASI.Threads

Module requirements

The wasm module must:

  1. Import or declare a shared memory (memory with the shared flag set).
  2. Export wasi_thread_start (param i32 i32) — the worker entry point. WACS calls this with the thread ID (i32) and a user-supplied start argument (i32) per wasi-threads' spec.

Quick start — interpreter / runtime extension

using Wacs.Core.Runtime;
using Wacs.WASI.Threads;

var runtime = new WasmRuntime();
runtime.UseWasiThreads();   // wires wasi:thread-spawn
// (optionally chain other host packages: UseWasiPreview1 / UseWasiPreview2 / ...)

var module = BinaryModuleParser.ParseWasm(File.OpenRead("threaded.wasm"));
var inst = runtime.InstantiateModule(module);
runtime.RegisterModule("app", inst);

if (runtime.TryGetExportedFunction(("app", "_start"), out var addr))
    runtime.CreateInvokerAction(addr).Invoke();

Quick start — CLI

wacs run threaded.wasm --wasi-threads

--wasi-threads is shorthand for --bind Wacs.WASI.Threads. The CLI verifies the module declares shared memory and exports wasi_thread_start before instantiation; missing either trips a clear startup error.

What it provides

  • WasiThreadsBindable : IBindable — discovers WACS_WASINN_GGUF_DIR-style host surface, wires wasi:thread-spawn against the shared runtime
  • runtime.UseWasiThreads() — chained extension method
  • [assembly: WasiHostPackage] marker so runtime.AutoDiscoverHostPackages() picks this assembly up automatically when it's loaded into the AppDomain

Documentation

License

Apache-2.0

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.1 is compatible. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
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NuGet packages

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Version Downloads Last Updated
0.2.1 91 5/10/2026
0.2.0 94 5/10/2026
0.1.0 102 4/23/2026