Named AF_UNIX socket not working in cygwin1.dll of git HEAD.
Corinna Vinschen
corinna-cygwin@cygwin.com
Wed Jul 4 10:51:00 GMT 2018
On Jul 4 04:17, Takashi Yano wrote:
> Hi Corinna,
>
> On Wed, 4 Jul 2018 02:01:08 +0900
> Takashi Yano wrote:
> > I have check and found this happens only in 32 bit version. I mean
> > 32 bit cygwin on 64 bit windows 10. 64 bit version work as expected.
>
> I have looked into this problem, and found calling af_local_set_secret()
> in fhandler_socket_local::bind() causes exception 0xc0000005.
>
> Calling RtlGenRandom() in af_local_set_secret() may not be as expected.
>
> While building cygwin1.dll in 32 bit environment, following warning is
> shown. This is probably the cause.
>
> Warning: resolving _SystemFunction036 by linking to _SystemFunction036@8
>
> I am not sure why, but the following patch seems to be able solve this
> problem.
>
> diff --git a/winsup/cygwin/fhandler_socket_local.cc b/winsup/cygwin/fhandler_socket_local.cc
> index 2e01f30a2..68786f3a4 100644
> --- a/winsup/cygwin/fhandler_socket_local.cc
> +++ b/winsup/cygwin/fhandler_socket_local.cc
> @@ -21,7 +21,7 @@
> #undef u_long
> #define u_long __ms_u_long
> #endif
> -#include <w32api/ntsecapi.h>
> +#include <ntsecapi.h>
> #include <w32api/ws2tcpip.h>
> #include <w32api/mswsock.h>
> #include <unistd.h>
>
> Thank you.
Thanks for catching. I pushed your patch (using "" rather than <>
just for clearness) with a description.
Thanks,
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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