[PATCH] winsup/cygwin: Protect fork() against dll- and exe-updates.

cyg Simple cygsimple@gmail.com
Fri Aug 7 15:01:00 GMT 2015


On 8/3/2015 4:21 PM, Corinna Vinschen wrote:
> 
> The HMODULE is only the address of the section so, no, there's no way to
> do an NtCreateFile with this information alone.  As for the file id, I
> never tried NtOpenFile w/ FILE_OPEN_BY_FILE_ID.  The usage description
> in the WDK docs is a bit vague, but it does work.  You just have to have
> the file id from some earlier call to NtQueryInformationFile.
> 


I seem to remember that the file id isn't guaranteed to be constant on
Windows FS, especially FAT, unless you keep the file open.

--
cyg Simple



More information about the Cygwin-developers mailing list