[fol] Re: NFS fcntl(F_SETLK) problem (Linux->MacOSX)

[shirai@xxxxxxxxxxxxx (Takashi SHIRAI)]

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$B!!@N$O!V(BNFS $B$G$O(B lock $B$,8z$+$J$$!W$O>o<1$@$C$?$N$G3V@$$N46$,!#(B

In article <YAS.06Sep18155520@xxxxxxxxxxxxxxxxxxxxx>,
Yasushi Shinjo <yas@xxxxxxxxxxxxxxxx> wrote:
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>$B$h$&$H$9$k$H8G$^$C$F$7$^$&$H$$$&$3$H$G$9!#%/%i%$%"%s%H$O!"(B
>Linux$B!"%5!<%P$O!"(BMacOSX $B$G$9!#(B

$B!!(BLinux $B$N(B NFS $B$O<BAu$,IT40A4$J$3$H$GM-L>$G$9$,!"FC$K(B lockd
$B$O>e<j$/F/$+$J$$$3$H$,B?$$$h$&$G$9!#(B
$B!!Aj<j$,F1$8(B Linux kernel $B$GF1$8(B architecture $B$@$H3d$H0BDj$7(B
$B$F$^$9$,!"$=$l$G$b<:GT$9$k;~$K$O<:GT$9$k$N$G!"$3$H(B Linux $B$K(B
$B4X$7$F$O@N$N(B fcntl() $B$N>o<1$rE,MQ$9$Y$-$+$H!#(B

$B!!0x$_$K!"7P83B'$+$i8@$&$H!"(Bdeadlock $B$9$k;~$K$O!V(Bclient $B?t$,(B
$BB?2a$.!W$H$+2?$H$+EG$$$F$?5$$,$9$k$N$G!"(Bunlock $B$5$l$k$N$rBT(B
$B$C$F$$$k(B client $B$,B?$$$H2?$+$^$:$$$N$+$b!#(B


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>$B$H$7$F$OF/$$$F$$$J$$$H$$$&$3$H$+$b$7$l$^$;$s$M!#(B
>fcntl(F_SETLK) $B$KLdBj$,$"$k$+$i$H$$$C$F$M(Bflock() $B$GBeBX$9$k(B
>$B$H$$$&$N$O!"4m$J$$$G$9$M!#(B

$B!!(Bglibc $B$r;H$&8B$j$O(B lockf() $B$b(B fcntl() $B$r;H$C$F(B lock $B5!9=$r(B
$B<BAu$7$F$$$k$h$&$K8+$($k$N$G!"(Blockf() $B$KF($2$k$H$$$&2r$b$"$j(B
$B$^$;$s!#(B
$B!!(Bflock() $B$K4X$7$F$O!"(BLinux kernel 2.x $B0J9_$G$OFHN)$N(B system
call $B$J$N$G!"(Bman page $B$N$H$*$j!V(BNFS $B$G;H$($J$$JL$N(B lock $B5!9=!W(B
$B$G$9$,!"(Bkernel 1.x $B$@$H(B fcntl() $B$r;H$&$N$GF1$85!9=$G$9$M!#(B

-- 
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