getting cancelsynchronous IO error when starting mintty.exe from Windows XP desktop shortcut

Corinna Vinschen
Fri Jul 29 10:39:00 GMT 2016

On Jul 28 23:39, Thomas Wolff wrote:
> Am 28.07.2016 um 22:30 schrieb Warren Young:
> > On Jul 27, 2016, at 10:00 PM, prabhakar gupta <> wrote:
> > > After getting the "installation cocmpleted" message I double clicked on the MINTTY.EXE shortcut and go the following error:
> > > "The procedure entry point cancelsynchronousio could not be located in the dynamic link libraryKERNEL32.DLL”.
> > Indeed, that Windows API function does not exist on XP:
> > 
> >
> > 
> > Does this not show that the Cygwin DLL is trying to call it?
> I've tested mintty 2.4.2 on cygwin 2.5.2 on Windows XP and it works fine
> here.

CancelSynchronousIo is dynamically loaded by the Cygwin DLL up to version
2.5.2.  If loading fails, the DLL falls back to other, somewhat unsafe
code on pre-Vista.


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat
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