From: Tanaka Akira <akr@...17n.org>
Date: 2000-11-28T17:42:57+09:00
Subject: [ruby-dev:11664] Re: IO (Re: fork problem?)

In article <E140fxW-0002u9-00@ev.netlab.zetabits.co.jp>,
  matz@zetabits.com (Yukihiro Matsumoto) writes:

> $B$=$&$G$9$M!#8=>u$@$H$?$H$($P(B open("|command") $B$H$+$O$U$?$DI,(B
> $BMW$J5$$,$7$^$9!#$3$l$r(B socketpair $B$r;H$($PAPJ}8~FI$_=q$-$G$-(B
> $B$k$N$G$7$g$&$,!"$3$l$O(B POSIX $B$K$O$J$$$7!#(B

$B$&$%$`!#(BPOSIX $B$O<j85$K$J$$$s$G$9$,!"(BThe Single UNIX (R) Specification,
Version 2 $B$K$O$"$k$h$&$G$9!#(B
http://www.unix-systems.org/single_unix_specification_v2/ 

Solaris8 $B$N(B standards(5) $B$K$h$l$P!"(BSUSv2 $B$H$$$&$N$O(B POSIX $B$N(B superset
$B$@$=$&$G$9!#(BX/Open $BB&$N$I$3$+$GF~$C$?$s$G$9$+$M!#(B

socketpair $B$O(B(4.4BSD $B$N%^%K%e%"%k$K$h$l$P(B) 4.2BSD $B$+$i$"$k$=$&$G$9!#(B

$B$=$7$F!"(BSysV $B$N(B pipe $B$OAPJ}8~$@$HJ9$$$?;v$,$"$j$^$9!#(B
($BNc$($P!"(BDigital UNIX V4.0E $B$N(B pipe(2) $B$K$O(B System V Compatibility $B$N(B
$B9`$K(B bidirectional $B$@$H=q$$$F$"$k!#(B)

$B$H$$$&$o$1$G!"(BUnix $B$G$O$"$^$jLdBj$J$$$H;W$$$^$9!#B>$N(B OS $B$N;v>p$OCN$i(B
$B$J$$$N$G$9$,!#(B

> $B%=!<%9%3!<%I$r8+$F5$$,IU$-$^$7$?!#3N$+$K>xH/$7$^$9$M!#(B
> $B$,!"$3$l$O8=>u$N<BAu$G$O2sHr$G$-$J$$$G$9$M!#$d$O$j(B 1.7 $B$G$O(B
> stdio $B$r<N$F$k$7$+$J$$$G$9$M!#(B

$BAG@2$i$7$$$G$9!#$<$R$<$R!#(B
-- 
[$BEDCf(B $BE/(B][$B$?$J$+(B $B$"$-$i(B][Tanaka Akira]
$B!V$/$C$@$i$J$$%3%HJ9$$$A$c$C$?$M!<$(C"=(B $B$4$C$a!<$s$(C"=$B!W(B
  ($BKbK!;H$$M\@.@lLg(B $B%^%8%C%/%9%?!<3X1!(B 2, $BFn_7%_%E%-(B)