[PATCH] D54995: [MemoryBuffer] By default assume that all files are volatile to prevent unintended file locks

[Ivan Donchevskii via Phabricator via cfe-commits]

yvvan added a comment.

@ilya-biryukov

https://bugreports.qt.io/browse/QTCREATORBUG-15449

I was able to lock files last time with mmap. The Windows API calls are CreateFileMappingW (it's in the Path.inc, line 794) and MapViewOfFile (further down). As far as I remember the second call actually creates the lock and is freed only by UnmapViewOfFile in destructor


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D54995/new/

https://reviews.llvm.org/D54995