From: Tanaka Akira <akr@...17n.org>
Date: 2002-02-26T14:45:49+09:00
Subject: [ruby-dev:16100] Re: UNIXSocket#{send_io,recv_io}

In article <1014700933.711454.28068.nullmailer@ev.netlab.jp>,
  matz@ruby-lang.org (Yukihiro Matsumoto) writes:

> $BLLGr$$$N$G<h$j9~$b$&$H;W$&$N$G$9$,!"%Q%C%AEv$F$?$i!"E/$5$s$3(B
> $B$NItJ,$O%a%s%F$7$F$/$@$5$k!)(B

$B$($'!#$=$l$O$+$^$$$^$;$s!#(B

$B$?$@!"<h$j9~$`A0$K(B API $B$r$A$g$C$H5DO@$7$?$$$G$9!#(B

$BAw$kJ}$N(B

UNIXSocket#send_io(io) # IO $B$rEO$9!#(B
UNIXSocket#send_io(fd) # Fixnum $B$rEO$9!#(B

$B$O$$$$$s$G$9$,!"<u$1<h$kJ}$N(B

UNIXSocket#recv_io(mode=nil, klass=IO)

$B$O$A$g$C$H$&$^$/$J$$$+$b$7$l$J$$$H;W$C$F$$$^$9!#F0:n$H$7$F$O(B fd $B$r<u$1(B
$B<h$C$?$i(B

  mode $B$,(B nil $B$J$i(B klass.for_fd(fd) $B$N7k2L$rJV$9!#(B
  mode $B$,(B nil $B$G$J$$$J$i(B klass.for_fd(fd, mode) $B$N7k2L$rJV$9!#(B
  klass $B$K(B nil $B$r;XDj$5$l$?$i<u$1<h$C$?(B fd $B$r(B Fixnum $B$H$7$FJV$9!#(B

$B$H$J$C$F$$$F!"0z?t$K(B mode $B$H(B klass $B$rEO$9$H$$$&$H$3$m$^$G$O$$$$$s$G$9(B
$B$,!"=gHV$,LdBj$G$9!#$"$k$$$O(B IO.for_fd $B$O0z?t$rFs$D$H$l$k$1$l$I!"(B
BasicSocket.for_fd $B$O0z?t$,0l$D$H$$$&0c$$$,LdBj$J$N$+$bCN$l$^$;$s!#(B

$B$3$l$K4XO"$7$F!"(BNetBSD $B$O(B pipe $B$,(B socket $B$J$N$G$9$,!"(B

netbsd% ./ruby -rsocket -e 'r,w=IO.pipe; p r.stat.socket?; UNIXSocket.for_fd(r.fileno)'
true
-e:1:in `for_fd': Invalid argument (Errno::EINVAL)
        from -e:1

$B$H$$$&$h$&$K%(%i!<$K$J$k$N$G!"(BBasicSocket.for_fd $B$b(B mode $B$r$H$l$k$h$&(B
$B$K$7$FM_$7$$$J$!!"$H$$$&OC$b$"$C$?$j$7$^$9!#(B

$B$I$&$b(B fcntl $B$G(B F_GETFL $B$r;H$C$F!"$"$k(B file descriptor $B$NFI$_=q$-$N%b!<(B
$B%I$,$o$+$k$i$7$/$F!"$=$l$r;H$C$F(B fdopen $B$,(B($B%7%9%F%`%3!<%k$K4X78$J$/(B)$B<:(B
$BGT$7$F$$$_$?$$$J$s$G$9$h$M$'!#(Bktruss $B$7$F$bA4A3<:GT$7$F$J$$$N$K$I$3$+(B
$B$i(B EINVAL $B$,M/$-=P$7$F$-$?$N$+$H(B...
-- 
[$BEDCf(B $BE/(B][$B$?$J$+(B $B$"$-$i(B][Tanaka Akira]
$B!V$U$($m(B! $B$o$+$a$A$c$s:n@o$G$9$(C"=$B!W(B(Little Worker, $B7KM7@84](B)