Cleanup most usages of Windows file mapping#121896

Open

huoyaoyuan wants to merge 41 commits into

dotnet:mainfrom

huoyaoyuan:pal/mmap

Azure Pipelines / runtime (Build Libraries Test Run checked coreclr linux_musl x64 Debug) succeeded Dec 5, 2025 in 46m 49s

Build Libraries Test Run checked coreclr linux_musl x64 Debug succeeded

0 errors / 0 warnings

View more details on Azure Pipelines