From: Hal Fulton <hal9000@...>
Date: 2004-05-03T15:17:49+09:00
Subject: Re: UNIXSocket#send_io and #recv_io

nobu.nokada@softhome.net wrote:

> Hal Fulton wrote in [ruby-talk:97804]:
>>My impression was that my friend was getting the "not implemented"
>>message... but I see now that the return is marked "not reached."
>>
>>Hmm, maybe a compile error on his box?
> 
> 
> What's his system?  Maybe, it has no sendmsg(2) and struct
> msghdr, or extconf.rb failed to detect them.  There is the
> mkmf.log?

Apparently this is happening again with 1.8.1 on his box. (Steve doesn't
read this list regularly.)

Not sure what his system is -- I'll find out. And I don't know how to
interpret the log entry (see below).

Thanks for any help...

Hal




     have_struct_member: checking for struct msghdr.msg_control... 
-------------------- yes

     "gcc -c -I/usr/local/src/ruby-1.8.1 -I/usr/local/src/ruby-1.8.1 
-DHAVE_SOCKADDR_STORAGE -DINET6
      -g -O2 -DENABLE_IPV6   conftest.c"
     checked program was:
     /* begin */

     #include <sys/types.h>
     #include <sys/socket.h>

     /*top*/
     int main() { return 0; }
     int s = (char *)&((struct msghdr*)0)->msg_control - (char *)0;
     /* end */

     --------------------

     have_struct_member: checking for struct msghdr.msg_accrights... 
-------------------- no

     "gcc -c -I/usr/local/src/ruby-1.8.1 -I/usr/local/src/ruby-1.8.1 
-DHAVE_SOCKADDR_STORAGE -DINET6
      -g -O2 -DENABLE_IPV6   conftest.c"
     conftest.c:7: structure has no member named `msg_accrights'
     checked program was:
     /* begin */

     #include <sys/types.h>
     #include <sys/socket.h>

     /*top*/
     int main() { return 0; }
     int s = (char *)&((struct msghdr*)0)->msg_accrights - (char *)0;
     /* end */