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On Aug 4 01:44, Mark Geisert wrote: > Oops. Something that iozone testing had found but I regarded as an > iozone bug. Re-reading the man pages set me straight. > --- > winsup/cygwin/aio.cc | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/winsup/cygwin/aio.cc b/winsup/cygwin/aio.cc > index fe63dec04..571a9621b 100644 > --- a/winsup/cygwin/aio.cc > +++ b/winsup/cygwin/aio.cc > @@ -712,7 +712,7 @@ aio_read (struct aiocb *aio) > ; /* I think this is not possible */ > } > > - return res; > + return res < 0 ? res : 0; /* Return 0 on success, not byte count */ The comment only makes sense in comparison to the former code. I'd reduce this to just "Return 0 on success". > } > > ssize_t > @@ -902,7 +902,7 @@ aio_write (struct aiocb *aio) > ; /* I think this is not possible */ > } > > - return res; > + return res < 0 ? res : 0; /* Return 0 on success, not byte count */ Ditto. > } > > int > -- > 2.17.0 While we're at it, I just found that asyncread/asyncwrite return int. Shouldn't they return ssize_t? That's 32 vs. 64 bit on x86_64. Thanks, Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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