.NET bothers with it, to support RuntimeHelpers.EnsureSufficientExecutionStack [1] and other things. See the pthreads calls used to here [2]. [1]: https://lear

.NET bothers with it, to support RuntimeHelpers.EnsureSufficientExecutionStack [1] and other things. See the pthreads calls used to here [2]. [1]: https://learn.microsoft.com/en-us/dotnet/api/system.runtime.compilerservices.runtimehelpers.ensuresufficientexecutionstack?view=net-10.0 https://learn.microsoft.com/en-us/dotnet/api/system.runtime.... [2]: https://github.com/dotnet/runtime/blob/b6a3e784f0bb418fd2fa7f6497f1b642210c3ea4/src/coreclr/pal/src/thread/thread.cpp#L2289 https://github.com/dotnet/runtime/blob/b6a3e784f0bb418fd2fa7...