WG: RPC clnt_create() adress already in use

PAULUS, Raimund, TI-ABN Raimund.Paulus@dillinger.biz
Tue Nov 21 12:35:00 GMT 2017


Hello Mark,

is there any news with respect to libtirpc? Very important: I need it in Cygwin 2.5.1.

Raimund Paulus

-----Ursprüngliche Nachricht-----
Von: cygwin-owner@cygwin.com [mailto:cygwin-owner@cygwin.com] Im Auftrag von Mark Geisert
Gesendet: Freitag, 29. September 2017 11:52
An: cygwin@cygwin.com
Betreff: Re: RPC clnt_create() adress already in use

PAULUS, Raimund, TI-ABN wrote:
> Hello Mark,
>
> i downloaded the sources of libtirpc from this url: https://sourceforge.net/projects/libtirpc/files/libtirpc/1.0.1/ and unpacked it in the local subdirectory libtirpc-1.0.1.
> I had to make the following changes:
>
> libtirpc-1.0.1/src/clnt_bcast.c (because POLLRDNORM, POLLRDBAND are already defined in /usr/include/sys/poll.h) :
>
> --> #ifndef POLLRDNORM
> --> # define POLLRDNORM     0x040           /* Normal data may be read.  */
> --> # define POLLRDBAND     0x080           /* Priority data may be read.  */
> --> #endif
>
> libtirpc-1.0.1/tirpc/rpc/xdr.h (typedefs where missed):
>
> --> #include <rpc/types.h>
>
> --> typedef __uint64_t      u_quad_t;
> --> typedef __int64_t       quad_t;
>
>
> I linked the necessary source files with my testprogram:
>
> gcc -D__GLIBC__ -D__linux__ -I/c/dh-progs/tstdir/libtirpc-1.0.1/tirpc 
> \ tst_rpc.c \ /c/dh-progs/tstdir/libtirpc-1.0.1/src/clnt_bcast.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/clnt_dg.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/clnt_generic.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/clnt_perror.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/clnt_vc.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/rpc_callmsg.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/rpc_commondata.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/rpc_generic.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/rpc_prot.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/rpcb_clnt.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/rpcb_prot.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/xdr.c  \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/xdr_array.c  \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/xdr_mem.c  \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/xdr_rec.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/xdr_reference.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/getnetconfig.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/getnetpath.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/auth_none.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/auth_unix.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/authunix_prot.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/mt_misc.c \ 
> /c/dh-progs/tstdir/libtirpc-1.0.1/src/debug.c \ -o 
> tst_rpc-libtirpc-1-0-1
>
> The program works perfectly (no errors is test cases 1 and 2).
>
> I assume, there must be a difference between the downloaded lib-files and the Cygwin-libtirpc.

Thank you Raimund for debugging this to the root cause.  Cygwin claims to be providing libtirpc 1.0.1 so I suspect you're correct about the cause.  I will figure out what the differences are and take the issue up with the Cygwin libtirpc maintainer.  Congrats on solving the problem yourself!
Thanks again,

..mark


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