NAKAMURA Minoru $B$NF|5-(B (2004$BG/(B12$B7n(B)

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I love spam

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$B$=$m$=$m(B bogofilter $B$H$+$rF3F~$7$F(B spam $B$NC!$-Mn$H$7$r$9$Y$-$+$7$i!)(B

[Java] PhantomReference $B$N;H$$J}(B

java.lang.ref $B%Q%C%1!<%8$K$"$k(B PhantomReference $B$O!"(B $BMQES$,$O$C$-$j$7$J$$;2>H%*%V%8%'%/%H$@!#(B $B%i%$%V%i%j$N;EMM$K$O(B $B!V;2>H$7$F$$$k%*%V%8%'%/%H$,6/;2>H(B/$B%=%U%H;2>H(B/$BH(B/$B%U%!%$%J%i%$%:;2>H$r<:$$(B GC $B$K$h$C$F2s<}$5$l$k%?%$%_%s%0(B (finalize() $B$O8F$S=P$7$,=*$o$C$F$$$k(B) $B$rDLCN$9$k5!G=$,$"$k!W$H=q$+$l$F$$$k$,!"(B $B;H$$$I$3$m$,%Q%C$H;W$$$D$+$J$$$H;W$&!#(B $B$=$l$O(B PhantomReference#get() $B%a%=%C%I$O>o$K(B null $B$rJV$9$N$G!"(B PhantomReference $B$,;2>H$7$F$$$k%*%V%8%'%/%H$rPhantomReference $B$,(B Java $B%W%m%0%i%`$KJV$7$F$/$k>pJs$O!"(B GC $B2s<}$ND>A0$K$J$k$H(B ReferenceQueue $B$K%(%s%-%e!<$5$l$?(B or $B$5$l$J$$$H$$$&>pJs$@$1$@!#(B

$B$@$,(B PhantomReference#get() $B$O>o$K(B null $B$rJV$9$K$b4X$o$i$:!"(B $B%j%U%!%l%s%H$H$J$k%*%V%8%'%/%H$O(B Reference#referent $B%U%#!<%k%I$KBeF~$5$l!"(B GC $B$,5/$-$F%/%j%"$5$l$J$$!#(B $B$=$N$?$a(B JNI $B$r;H$C$F6/@)E*$K(B referent $B%U%#!<%k%I$rFI$a$P(B GC $BD>A0$N%*%V%8%'%/%H$N>uBV!"FC$K(B finalize() $BuBV$J$I$rFI$_

$B$3$N@-

[Java] finalize $B$NBeBX

PhantomReference $B$rMxMQ$9$k$3$H$G(B finalize() $B$NBeBX$K$J$k%/%j!<%s%J%C%Wjp.nminoru.ref.CleanupReference $B$O$=$N

• Cleaner.java
• CleanupReference.java
• CleanupReference.c (Linux $B$N

  $B$=$N%*%V%8%'%/%H$,2s<}$5$l$kA0$K(B $B%/%j!<%s%J%C%W=hM}$r9T$$$?$$%*%V%8%'%/%H$KBP$7$F!"(B CleanupReference $B;2>H%*%V%8%'%/%H$r@_Dj$9$l$P$h$$!#(B $B%/%j!<%s%J%C%W=hM}$NFbMF$O(B jp.nminoru.ref.Cleaner $B%$%s%?!<%U%'%$%9$N(B clean() $B%a%=%C%I$r

  import jp.nminoru.ref.*;
  
  public class Test {
    public static void main(String[] args) throws Exception {
      String target = new String("referent");
  
      CleanupReference clean = 
        new CleanupReference(target, 
          new Cleaner() {
  	  public void clean(Object target) {
              // GC $B$,2s<}$9$kA0$K
  

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  Reflection $B$r;H$C$?%P!<%8%g%s$b8x3+!#(B

  • CleanupReference.java

  [Java] ($B$*$^$1(B) sun.misc.Cleaner $B$K$h$k%/%j!<%s%J%C%W=hM}(B

  Java $B8@8l$G$O(B finalize() $B%a%=%C%I$r%*!<%P!<%i%$%I$9$k$3$H$K$h$C$F!"(B $B%*%V%8%'%/%H$N2s<};~$N%/%j!<%s%J%C%W=hM}$r9T$&$3$H$,2DG=$@$,!"(B JDK 1.4.2$B!"(B1.5.0 (5.0) $B$G$O(B finalize() $B$H$O>/$70c$C$?(B $B%/%j!<%s%J%C%W

  import sun.misc.Cleaner;
  
  class CleanerTest {
    public static void main(String[] args) {
      Object target = new Object();
      Cleaner cleanup = Cleaner.create(target, new Runnable() {
        public void run() {
          System.out.println("referent $B$,2s<}$5$($?8e$K8F$S=P$5$l$k(B");
        }
      });
  
      referent = null;
      System.gc();
    }
  }
  

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[Bench] PowerPC970 $B$N8x<0(B SPECcpu2000 $B$N%9%3%"$,8x3+(B

$B:#F|$O;E;vG<$a!#(B
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$B$=$NCf$G(B IBM $B$,(B eServer BladeCenter JS20 $B$N%9%3%"$r8x3+$7$F$-$?!#(B JS20 $B$O(B 2.2GHz $B$N(B PowerPC 970 $B$rEk:\$7$?%V%l!<%I%5!<%P!$B7WB,7k2L(B $B$O(B $B0lHL$K$O8x3+$5$l$F$$$?$,(B spec $B$KEPO?$O$5$l$J$+$C$?!#(B $B$3$l$,@5<0EPO?$5$l$?:G=i$N(B PowerPC 970 $B$N(B SPEC cpu $B%9%3%"$K$J$k!#(B

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1. Kernel Memory Space Analyzer
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2. User Mode Process Dump
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• hp rx2600 (2-way Itanium2)$B!#(B $BEE8;$N0l$D$,Dd;_(B ($B>iD9EE8;$GF0$$$F$$$?(B)$B!#(B $B"*(B $BEE8;%f%K%C%H8r49!#(B
• $BIY;NDL(B Primergy R450$B!#(B $BEE8;$,F~$i$J$$!#(B $B"*(B $B%^%6!<%\!<%I8r49!#(B
• $BIY;NDL(B Primergy L100e$B!#(B $BFbB"(B HDD $B$,2u$l$?!#(B $B"*(B HDD $B8r49!#(B

$B%i%C%/$NG.L)EY$,LdBj$J$N$+$b$7$l$J$$!#(B $B$I$N%^%7%s$b(B BMC $B$,IU$$$F%j%b!<%H$+$i>uBV4F;k$G$-$k%^%7%s$J$N$G!"(B $B%j%b!<%H4F;k$7$?J}$,$h$$%J%j!#(B

[Tips] VLAN ($B$H$=$N@_DjJ}K!(B) $B$,$h$/$o$+$i$s(B

11/30 $B$K=$M}$+$iLa$C$F$-$?(B NETGEAR $B$N(B GSM7324 $B$O!"(B $B$7$P$i$/C1$J$k%9%$%C%A%s%0%O%V$H$7$F;H$C$F$$$?$N$@$,!"(B $B?7$7$$%5!<%P!<5!$b$d$C$F$-$?$N$G$b$&>/$7J#;($J%M%C%H%o!<%/9=@.$r

$B8=:_(B $B;d$N4IM}$7$F$$$k%^%7%s$O!"(B $B@-G=B,Dj$d%F%9%H$K;H$&%5!<%P!<$,(B 6 $BBf$H(B $BIi2YH/@8MQ$N(B Windows $B%^%7%s$,(B 5 $BBf$"$C$F!"(B $B30It$N%/%i%9(B C $B$N%M%C%H%o!<%/$KD>@\7R$,$C$F$$$k!#(B $B$7$+$7%;%-%e%j%F%#6/2=$N$?$a(B Windows $B%^%7%s$+$i$O!"(B $B30It$N%M%C%H%o!<%/$K$O@\B3$G$-$J$$$h$&$K$7$?$$(B($B2

$B

$B$G!"(B $B$=$N@_Dj$r9T$*$&$H(B GSM7324 $B$N%^%K%e%"%k$rFI$`$N$@$,!"(B $BFI$s$G$bFI$s$G$b$A$C$H$bJ,$+$i$J$$!#(B $B@N$N%b%G%`$N%3%^%s%I%j%U%!%l%s%9$_$?$/!"(B $B%3%^%s%I$N2r@b$O$"$C$F$b8@MU$NDj5A$d35G0$N@bL@$O>J$+$l$F$$$k!#(B $BB>

GSM7324 $B$O%?%0(B VLAN $B$,4pK\$G!"(B $B%]!<%H$+$iF~$C$F$-$?%?%0IU$-%U%l!<%`$N(B VID $B$r8+$F(B $B$I$N(B VLAN $B$KCf7Q$5$l$k$+$,7h$^$k!#(B $B%]!<%H$,$I$N(B VLAN $B$KCf7Q$G$-$k$+$O(B 1) $B$G$N@_Dj$K$h$k!#(B $B%?%0$J$7%U%l!<%`$N>l9g$K$O!"(B 3) $B$K$h$F%]!<%HKh$K7h$a$i$l$?(B VLAN $B$KCf7Q$5$l$k!#(B

1) VLAN $B$N@_Dj(B: VLAN $B$K%]!<%H$rDI2C(B

config vlan participation <exclue|incude|auto> <1-4094> <slot.port|all>

VLAN $B$,Cf7Q$9$k%]!<%H$r;XDj$9$k!#(B $BF10l$N%]!<%H$rJ#?t$N(B VLAN $B$K=jB0$5$;$F$b(B OK$B!#(B

$B%G%U%)%k%H$G$OA4$F$N%]!<%H$,;22C$9$k(B VLAN 1 $B$,B8:_$9$k!#(B

2) $B%]!<%H$N@_Dj(B: $B%?%0$J$7%U%l!<%`$rDL2a$5$;$k$+(B

config vlan port acceptframe <all|vlan> <slot.port|all>

all $B$K@_Dj$5$l$?%]!<%H$O%?%0IU$-%U%l!<%`$b%?%0$J$7%U%l!<%`$bDL2a$5$;$k!#(B $B%?%0IU$-%U%l!<%`$O%?%0$N<($9(B VLAN $B$K!"(B $B%?%0$J$7%U%l!<%`$O(B PVID $B$N(B VLAN $B$KCf7Q$5$l$k!#(B
vlan $B$@$H%?%0IU$-%U%l!<%`0J30$ODL2a$5$;$J$$!#(B

$B%G%U%)%k%H$G$OA4$F$N%]!<%H$,(B all$B!#(B

3) $B%]!<%H$N@_Dj(B: PVID $B$r@_Dj(B

config vlan port pvid <1-4094> <slot.port|all>

$B%]!<%H$KF~$C$F$-$?%?%0$J$7%U%l!<%`$O(B PVID $BHV$N(B VLAN $B$KCf7Q$5$l$k!#(B $B$3$l$O%?%0$J$7%U%l!<%`$K(B PVID $BHV$N%?%0$,IU$/$o$1$G$O$J$/!"(B $B%?%0$J$7$N%U%l!<%`$N$^$^(B VLAN $B$K$N$k!#(B

$B%G%U%)%k%H$G$OA4$F$N%]!<%H$G(B PVID 1 $B$H$J$C$F$$$k!#(B

4) $B%]!<%H$N@_Dj(B: $B%?%0$NIT0lCW$N07$$(B

config vlan port ingressfilter <enable|disable> <slot.port|all>

$B%?%0IU$-%U%l!<%`$,F~$C$F$-$?$,!"(B $B%]!<%H$,$=$N(B VID $B$N(B VLAN $B$K=jB0$7$F$$$J$+$C$?>l9g$N=hM}!#(B
enable $B$N>l9g$O%U%l!<%`$rGK4~$9$k!#(B
diable $B$N>l9g$O(B VLAN $B@_Dj$rL5;k$7$FA4$F$N%]!<%H$KCf7Q$9$k!#(B
$B%?%0$J$7%U%l!<%`$KBP$7$F$O0UL#$r$J$5$J$$!#(B

$B%G%U%)%k%H$OA4$F$N%]!<%H$G(B disable$B!#(B

$B%]!<%H$K%U%l!<%`$,F~$C$F$/$k;~$N=hM}$r%U%m!<%A%c!<%H$K$9$k$H!"(B $B0J2<$N$h$&$K$J$k!#(B

if ($B%U%l!<%`$O%?%0IU$-(B) {
  t = $B%U%l!<%`$N%?%0(B

  if ($B%]!<%H$,(B t $BHV$N(B VLAN $B$K=jB0$7$F$$$k(B) {
     t $BHV$N(B VLAN $B$KAw$k(B
  } else if ($B%]!<%H$,(B ingressfilter:disable) {
     $BA4$F$N%]!<%H$KCf7Q$9$k!#(B
  } else { // $B%]!<%H$,(B ingressfilter:enable
     $BGK4~$9$k!#(B
  }
} else { // $B%U%l!<%`$O%?%0$J$7(B

  if ($B%]!<%H$O(B acceptframe:all) {
     PVID $BHV$N(B VLAN $B$KAw$k(B
  } else { // $B%]!<%H$O(B acceptframe:vlan
     $B%U%l!<%`$OGK4~(B
  }
}

$B$3$l$H$OJL$K%?%0$NIU$$$F$$$J$$%U%l!<%`$KBP$7$F!"(B $B%?%0$rIU$1$k$H$$$&5!G=$,$"$k!#(B

5) $B%]!<%H@_Dj(B: $B30$K=P$k%U%l!<%`$K%?%0$rIU$1$k(B

config vlan port tagging <enable|disable> <1-4094> <slot.port|all>

$B%G%U%)%k%H$OA4$F$N%]!<%H$G(B disable$B!#(B

$B7k6I(B $B$d$j$?$+$C$?@_Dj$O!"(B VLAN $B$r(B 3$B$D:n@.$7(B $B%]!<%HKh$K(B PVID $B$r;XDj$9$k$H$3$G

$B$J$*$b4v$D$+$N5?Ld$,;D$k!#(B
PVID $B$r(B n $B$K@_Dj$5$l$?%]!<%H(B M $B$,$"$j!"(B VLAN n $B$,%]!<%H(B M $B$r4^$s$G$J$$(B(exclue)$B$H$9$k$H(B $BDL?.$O$G$-$k$N$@$m$&$+!)(B

P.S.
$B%"%i%$%I%F%l%7%9$N(B VLAN$B%=%j%e!<%7%g%s$N%Z!<%8(B $B$K$O!"(B $B%^%k%A%W%k(B VLAN (Private VLAN or Protected Ports VLAN) $B$N@bL@$,$"$k!#(B $B%^%k%A%W%k(B VLAN $B$,$"$k$H:#2s$N$h$&$J@_Dj$,$b$C$H3Z$K$G$-$k$h$&$@!#(B

P.P.S.
$B2~$a$F;W$C$?$,!"<+J,$ODL?.7O$N5;=Q$r$h$/$o$+$C$H$i$s!#(B
Link Aggregation$B!"(B Spanning Tree Protocol (stp)$B!"(B Port Mirroring $B$OJ,$+$k$,!"(B Protocol-based VLAN$B!"(B Generic Attributes Registration Protocol (GARP)$B!"(B IGMP Snooping$B!"(B Multiscast Forwarding Database (MFDB) $B$,(B $B2?$r$9$k$b$N$J$N$+(B $B$5$C$Q$j$@!#(B

$BJF(B IBM $B$,(B PC $B;v6H$rCf(B $BN~A[=8CD(B(Lenovo) $B$KGd5Q(B

$B$9$G$K$$$m$$$m$J=j$GOCBj$K$J$C$F$$$k$,!"(B PC $B$NL>L\>e$NK\2H$G$"$k(B IBM $B$,(B PC $B;v6H$rGd5Q$7$?!#(B PC $B;v6H$H$$$C$F$b%G%9%/%H%C%W%^%7%s$O$9$G$K(B OEM $B$N$h$&$J$N$G!"(B Think $B%V%i%s%I$H(B ThinkPad $B$N3+H/ItLg$rGd$C$?$H$$$&$3$H$@$m$&!#(B $B$3$l$+$i$OA4It(B OEM $B$G9T$/$h$&$@!#(B

nminoru $B$b(B ThinkPad $B%f!<%6!<(B$B$@$7!"(B IBM $B$NBgOB;v6H=j$G(B ThinkPad $B$r:n$C$F$$$kM'?M$b$$$k$N$G?4$rDK$a$F$$$k$,!"(B $BL@F|$O2f$,?H$+$b$7$s$J$$$J$!!#(B

[Work] Xeon64 $B%5!<%P!<$,Mh$?$h(B

DELL $B$N%i%C%/%^%&%s%H(B IA $B%5!<%P!<(B PowerEdge 2850 $B$,G 2-way $B$N(B Prescott $B%3%"(B Xeon 3.6GHz$B!"%a%b%j$O(B 8GB $B$[$IEk:\!#(B
$BJL$N%[%9%H$N9=C[$r$;$M$P$J$i$s$N$G$7$P$i$/J|CV!#(B

[Java] IBM Java developer kit $B$N(B Windows $BHG(B

IBM $B$N(B Windows $BHG$N(B Java VM $B$N0lHLG[I[$O(B 1.3.1 $B$GBG$A;_$a!"(B 1.4 $B7O$O(B Linux $B$7$+$J$$$H;W$C$F$$$?$N$@$,!"(B Eclipse $B$NF1:-HG$H$$$&>/$7FC$B$3$3(B)$B!#(B $B%i%s%?%$%`$O(B $BC1BNG[I[(B $B$b$5$l$F$$$k!#(B

Windows $BHG(B v1.3.1 $B$N;~$b!"(B WebSphere SDK for Web Services $B$N%3%s%]!<%M%s%H$H$7$FG[I[$5$l$F$$$?!#(B IBM $B$b(B SUN $B$H$N7@Ls$KG{$i$l$F(B $B$3$N$h$&$JL/$J7ABV$K$;$M$P$J$i$s$N$@$m$&$M!#!#!#(B

$BDI5-!'(B12/10

Diagnostics Guide $B$rFI$`$H!"(B z/OS $B$d(B AMD64 $BHG$N(B IBM VM 1.4.2 $B$G$O(B GC $B%"%k%4%j%:%`$H$7$F@$BeJL(B GC $B$,A*Br$G$-$k$h$&$@(B (-Xgcpolicy:gencon)$B!#(B Scavenger $B$H$"$k$3$H$+$i(B Copying GC $B$C$]$$$N$@$,!"(B Diagnostics Guide $BCf$G$O>\:Y$O5-=R$5$l$:!#(B $BFf$J$j!#(B

$B$O$F$J%"%s%F%J$N99?7DLCN(B

$B$3$3?tF|!"(B $B$O$F$J%"%s%F%J(B $B$,(B $B$3$NF|5-(B $B$r%/%m!<%k$7$J$/$J$C$F$$$?$N$@$,!"(B $B860x$rD4$Y$F$$$k$&$A$K(B $B$O$F$J%"%s%F%J$N(B $B $B$rH/8+!#(B $B$A$K%Z!<%8$N99?7$r3NG'$7$F(B $B99?7:Q$_$J$i%"%s%F%J$KH?1G$7$F$/$l$k!#(B

$B99?7%A%'%C%+!<$r;H$C$F$+$i$O(B $B$3$NF|5-(B $B$X$N%/%m!<%k$,:F3+$5$l$?!#(B $BJXHk$N;~$N^1D2$N$h$&$@$M!#!#!#(B

[Tips] MH & mh-e on Vine Linux 3.1

12/3 $B$N:n6H$G(B $B?&>l$N(B Vine Linux 2.6 $B%^%7%s$O(B Vine Linux 3.1 $B%^%7%s$H$7$FI|3h$7$?$,!"(B MH & mh-e $B<~$j$NF0:n$,2x$7$/$J$k!#(B

$B$^$:(B Vine Linux 3.1 $B$O%G%U%)%k%H$N(B emacs $B$,%P!<%8%g%s(B 21.3 $B$G!"(B mh-6.8.4_jp-13.i386.rpm $B$H(B emh-1.14.1-0vl2.src.rpm $B$N%Q%C%1!<%8$rF~$l$F$b(B $B$A$c$s$H$7$?(B MH & mh-e $B4D6-$,$G$-$J$$!#(B MH $B$N%3%^%s%I$rerrono $BJQ?t$r;2>H$7$F$$$k!W$H7Y9p%a%C%;!<%8$,I=<($5$l$F!"(B mh-e $BB&$,M>J,$J=PNO$rFI$_Ht$P$;$J$$$N$,860x$N$h$&$@!#(B $B%=!<%9$r;}$C$F$-$F%S%k%I$7$h$&$H$9$k$H!"(B $B!V(Bvarargs.h $B$J$s$F;H$&$J%4%i%!!#(Bstdarg.h $B;H$(!W$H<8$i$l$k!#(B $B%$%s%?!<%M%C%H$r8!:w$7$F(B $BCfLnIpM:;a$N(B 2003$BG/(B11$B7n(B28$BF|$NF|5-(B $B$K(B $B7G:\$5$l$?%Q%C%A$r;29M$K%S%k%I$r9T$$(B $B$"$kDxEY(B $BAw?.!&

$B$7$P$i$/(B emacs-21.3 $B>e$G;H$C$F$$$?$N$@$,!"(B $B%I%i%U%H%a!<%kEy$r:FJT=8$9$k(B M-a $B%3%^%s%I$,;H$($J$$$3$H$K5$$E$/!#(B $B%I%i%U%H%a!<%k$,(B emacs $B$N%P%C%U%!$K;D$C$F$$$k4V$O(B M-a $B$,8z$/$N$@$,!"(B emacs $B$r$$$C$?$s=*N;$7$F$7$^$&$H:FJT=8$G$-$J$/$J$k(B($B:FJT=8$7$h$&$H$9$k$H6u$N%U%!%$%k$,$G$-$k(B)$B!#(B nminoru $B$O=q$-$+$1$N%a!<%k$r%a%bBe$o$j$K;H$C$F$$$k$N$G(B +drafts $B%U%)%k%@$N:FJT=8$,8z$+$J$/$J$k$H$($i$/ITJX$@!#(B

$B$"$l$3$l(B emacs lisp $B$rO.$C$F$_$?$,=$@5$G$-$J$$$N$G!"(B emacs20-20.7-0vl18.i386.rpm $B$N%Q%C%1!<%8$r%$%s%9%H!<%k!#(B emacs-20.7 $B$rF~$l$FN?$0$3$H$K$7$?!#(B $B$3$N>l9g$G$b(B emh-comp.el $B$K4JC1$K%Q%C%A$r$"$F$J$$$H:FJT=8$,$G$-$J$$!#(B $B$J$<$@$m$&!)(B

diff -ur emh-comp.el.orig emh-comp.el
--- emh-comp.el.orig    2004-12-06 20:52:57.000000000 +0900
+++ emh-comp.el 2004-12-06 20:52:33.000000000 +0900
@@ -235,7 +235,8 @@
                            (mh-msg-filename msg mh-draft-folder)
                            ))
                       (set-buffer (get-buffer-create name))
-                      (binary-insert-file-contents filename)
+                      ; (binary-insert-file-contents filename)
+                      (binary-insert-encoded-file filename)
                       (setq buffer-file-name filename)
                       )
                     (pop-to-buffer name)

Astec-X 4.00 $B"*(B 4.30 $B$G$NIT6q9g(B

nminoru $B$O(B Windows2000 SP4 $B$K(B $B%"%9%F%C%/ $B$N(B Astec-X 4.00 $B$r:\$;$F(B $B>e5-(B Vine Linux 2.6 $B%^%7%s$H@\B3$7$F$$$?$N$@$,!"(B Vine Linux $B$r(B 3.1 $B$K%"%C%W%G!<%H$9$k$H(B X $B%/%i%$%"%s%H$NF|K\8l%U%)%s%H$,J8;z2=$1$,H/@8!#(B $B$3$l$O(B Astec-X $B$N%P!<%8%g%s$r(B 4.00 $B$+$i(B 4.30 $B$K>e$2$k$3$H$G2r7h!#(B

$B$7$+$7(B v4.30 $B$K>e$2$?$3$H$K$h$C$F%&%#%s%I%&$N(B Z-Order $B4IM}$,(B $B$*$+$7$/$J$k$H$$$C$??7$?$J$kLdBj$,H/@8!#(B
Astec-X $B$r(B $B%^%k%A%&%#%s%I%&%b!<%I(B $B$G(B $B@\B3J}K!$r!V$J$7!W(B $B$K@_Dj$9$k$H!"(B X $B%/%i%$%"%s%H$N%&%#%s%I%&$,(B Windows $B$N%&%#%s%I%&$h$j$b(B $B>o$K

$B$3$N>I>u$r=P$9$?$a$K$O$b$&>/$7>r7o$,$"$C$F!"(B X Forwarding $B$r%*%s$K$7$?(B Tera Term Pro $B$G(B $B$=$NCf$+$i(B X $B%"%W%j%1!<%7%g%s$rN)$A>e$2$kI,MW$,$"$k!#(B ASTEC-X $B%3%s%H%m!<%k%Q%M%k$+$i(B $B@\B3J}K!$r!V%;%-%e%"%7%'%k$r;HMQ$9$k!W$rA*Br$7(B kterm $B$r0l$D$@$1$b3+$1$F$*$/$H!"(B $B$3$N$h$&$J>I>u$O$G$J$$!#(B $B$J$s$G$3$&$J$k$+NI$/J,$+$i$s$,>c32%l%]!<%H$r=q$$$FAw$m$&!#(B

[Windows][Prog] Windows $B$N2>A[5-21%Z!<%8$N(B PAGE_GUARD $BB0@-(B

$B!V%9%?%C%/%*!<%P!<%U%m!<$N%O%s%I%j%s%0!W$N%Z!<%8(B $B$K(B $B=q$-K:$l$F$$$?$N$@$,!"(B Windows NT $B7O$K$"$k(B PAGE_GUARD $BB0@-$NOC!#(B

Windows $B$N(B VirtualProtect API $B$O!"(B UNIX $B$N(B mprotect() $B4X?t$K$"$?$j(B PAGE_READONLY$B!"(BPAGE_READWRITE$B!"(BPAGE_EXECUTE_READWRITE $B$J$I$r;XDj$7$F(B $B%Z!<%8$NFI$_!&=q$-!&l9g$@$18z2L$"$j(B)$B!#(B

$B$@$,(B Windows NT $B7O$G$O!"(B $B$3$l$KDI2C$9$k7A$G(B PAGE_GUARD $BB0@-(B $B$rIU$1$k$3$H$,2DG=!#(B $B$3$NB0@-$rIU$1$?%Z!<%8$K=i$a$F%a%b%j%"%/%;%9$r9T$&$H(B STATUS_GUARD_PAGE $BNc30(B $B$,H/@8$9$k$,!"(B $B$3$NNc30$O%H%i%C%W$7$F$b%H%i%C%W$7$J$/$F$b%W%m%0%i%`$,B39T$9$kL532$JNc30$G!"(B $B$$$C$?$sNc30$rH/8z$7$?%Z!<%8$O(B PAGE_GUARD $BB0@-$rMn$7$?%N!<%^%k$JB0@-$X$HJV$k!#(B

$BPAGE_GUARD $BB0@-$r;HMQ$7$F$*$j!"(B $B%9%?%C%/%H%C%W$K(B PAGE_GUARD $BB0@-%Z!<%8$r$*$$$F(B STATUS_GUARD_PAGE $BNc30$r%H%i%C%W$9$k$4$H$K(B $B%9%?%C%/$r?-D%$9$k$H$$$&$3$H$r9T$C$F$$$k!#(B

$B$"$H(B Windows $B8GM-$N%Z!<%8B0@-$H$7$F(B PAGE_WRITECOPY $B$H(B PAGE_NOCACHE $B$,$"$k!#(B PAGE_WRITECOPY $B$O(B CreateFileMapping $B$G(B $B%U%!%$%k%^%C%T%s%0%a%b%j$r;H$&$H$-$K!"(B $B%*%j%8%J%k$N%U%!%$%k$XJQ99$r9T$o$:$K%a%b%j>e$@$1$N=q$-49$($,2DG=!#(B PAGE_NOCACHE $B$O%-%c%C%7%e$J$7$G$9!#(B

$B;29M(B

• Ask Dr. GUI #49

[Work] $BF|5-$NMKF|$r4V0c$($?$i!D(B

$B:#F|$O6bMKF|$@$H?.$8$F2q 12/1($B2P(B)$B!"(B12/2($B?e(B)$B!"(B12/3($BLZ(B) $B$HF|5-$NMKF|$r4V0c$(=q$$$F$$$?$N$,860x$N$h$&$@!#(B

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