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Date: Wed, 29 Aug 2001 12:58:13 +0900
From: Shigekazu Aoyagi <aoyagi@ss.iij4u.or.jp>
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: <200108280918.SAA08668@psun0.phys.kyushu-u.ac.jp>
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Subject: [FreeBSD-users-jp 63889] Re: Problem when multiply opeing /dev/io
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$B@DLx$G$9!#(B

xmbmon $B$N%=!<%9$b8+$F$$$^$;$s$7!"(BFreeBSD $B$N%+!<%M%k%=!<%9$b(B
$B8+$?$3$H$,L5$$$b$N$G$"$F$:$C$]$G?=$7Lu$J$$$N$G$9$,!D(B

On Tue, 28 Aug 2001 18:18:46 +0900 (JST)
shimizu@psun0.phys.kyushu-u.ac.jp (Yoshifumi R. Shimizu) wrote:

> $B!!LdBj$O$3$&$G$9!#(BX $B>e$N%"%W%j%1!<%7%g%s$J$N$G!"%?%$%^!<3d$j9~$_(B
> $B$K%U%C%/$7$F2?IC$+$*$-$K!"%O!<%I%&%(%"%b%K%?%A%C%W$K>pJs$r8+$K(B
> $B9T$C$F$=$N7k2L$r%0%i%U$K$9$k!"$H$$$&$N$,(B xmbmon $B$N$7$F$$$k$3$H(B
> $B$G$9!#$3$3$G!"%O!<%I%&%(%"%b%K%?%A%C%W$K>pJs$r8+$k$?$a$K(B /dev/io
> device file $B$r(B open $B$9$k$N$G$9$,!"$3$N;~!"JL$N%W%m%;%9$,(B /dev/io
> $B$r(B open $B$7$?$^$^$G$$$k$H!"(Bxmbmon $B$,K=Av$9$k$H$$$&$b$N$G$9!#(B
> $B0l1~(B gdb $B$G$I$3$GL58B(B loop $B$K4Y$C$F$$$k$N$+D4$Y$F8+$?$N$G$9$,!"(B
> $B$I$&$b(B kernel $BFb$+(B shared library $B$NCf$i$7$/!"$=$l0J>eLdBjE@$r(B
> $BL@$i$+$K$G$-$^$;$s$G$7$?!#(B/dev/io $B$r(B open $B$9$k;~$K!"B>$N%W%m%;%9(B
> $B$,$9$G$K$3$N(B device $B$r(B open $B$7$F$$$k$3$H$,H=CG$G$-$l$P!"(Bxmbmon
> $B$N%?%$%^!<3d$j9~$_$N(B signal handler $B$G(B waiting $B$5$;$k$3$H$O(B
> $BMF0W$J$N$G$9$,!"B>$N%W%m%;%9$,(B /dev/io $B$r4{$K(B open $B$7$F$$$k$3$H(B
> $B$OH=CG$G$-$k$N$G$7$g$&$+!#(B

$B%?%$%^!<3d$j9~$_$H$$$&$N$O!"(BCPU $B$N3d$j9~$_5!G=$N$3$H$G$7$g$&$+!#(B
$B$H$$$&;v$O!"$3$N(Bsignal handler$B$O%+!<%M%k%b!<%I$GF0:n$7$F$$$k(B
$B$H$$$&;v$O$"$j$^$;$s$G$7$g$&$+!#$b$7$b%+!<%M%k%b!<%I$GF0:n$7$F$$$k(B
$B$N$G$"$l$P!"%I%i%$%P$NGSB>@)8f$J$I$rL5;k$7$FFM$CAv$C$F$7$^$C$FF0:n$,(B
$B$*$+$7$/$J$k$3$H$OM-$jF@$k$+$H;W$$$^$9!#(B

$B<!$N$I$A$i$+$NJ}K!$r8!F$$5$l$F$_$F$O$$$+$,$G$7$g$&$+!#(B

$B!&(Bsignal handler$B$G$O%U%i%0$rJQ2=$5$;$k$@$1$K$7$F!"%a%$%s%W%m%0%i%`B&$G(B
$B!!%]!<%j%s%0$G%U%i%04F;k$7$F=hM}$r9T$&!#(B

$B!&%?%$%^!<3d$j9~$_$G$O$J$/!"%?%$%^!<%$%Y%s%H$rH/@8$5$;$k!#(B
$B!!(B# X $B$G$=$N$h$&$J$3$H$,=PMh$k$N$G$7$g$&$+(B?
--
Shigekazu Aoyagi(aoyagi@ss.iij4u.or.jp)

