On Mar 12 06:37, Takashi Yano wrote: > - Unlike linux, fsync() calls FlushFileBuffers() even for special > files. This cause the problem reported in: > https://cygwin.com/pipermail/cygwin/2022-March/251022.html > This patch fixes the issue. > --- > winsup/cygwin/fhandler.cc | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc > index 98d7a3b2d..fc7bf0a0e 100644 > --- a/winsup/cygwin/fhandler.cc > +++ b/winsup/cygwin/fhandler.cc > @@ -1750,7 +1750,7 @@ fhandler_base::utimens (const struct timespec *tvp) > int > fhandler_base::fsync () > { > - if (!get_handle () || nohandle ()) > + if (!get_handle () || nohandle () || pc.isspecial ()) > { > set_errno (EINVAL); > return -1; > -- > 2.35.1
Ouch, yeah, that's obvious. Thanks, Corinna