Greetings, len...@cs.columbia.edu! > I’m running cygwin64 1.7.29 in a Windows 8.1 Pro virtual machine, running in > Parallels Desktop 9.0.24229 on Mac OS X 10.9.2.
> Parallels Desktop automatically mounts my Mac OS X home directory as a Z: > drive in Windows. Cygwin mount reports this drive as being type "prlsf". > Unfortunately, I've discovered that if I have an open file on this > filesystem which has been written to, the size returned by Cygwin fstat() on > the open file is wrong. A stat() of the file after it's been closed is > correct. > This has the consequence that emacs always thinks saved files have been > modified externally, since emacs looks at files' sizes (as well as their > modification times) to detect external changes. This makes emacs > near-unusable. > This problem does not occur for files in my Cygwin home directory, or other > locations mounted on my Windows C: drive. > I've attached a simple unit test program that illustrates the problem. > I've also attached my cygcheck -s -v -r output. > Any ideas? Is this a Cygwin bug, a Parallels bug, or something else? > Glancing over the Cygwin code, I see that there are a few cases where fstat > has special cases for certain filesystem types. You never flushing the buffer in your test code, or I'm reading it wrong? -- WBR, Andrey Repin (anrdae...@yandex.ru) 21.04.2014, <22:33> Sorry for my terrible english...
