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Date: Wed, 14 Jun 2000 10:03:23 +0900 (JST)
From: Katsuya Tanaka <tanaka@esd.spr.epson.co.jp>
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Subject: [FreeBSD-tech-jp 2816] ZOMBI Process.
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$BEDCf$G$9!#(B

FreeBSD-3.3 $B$r;HMQ$7$F$$$^$9!#(B
FreeBSD $B>e$G%W%m%0%i%`%_%s%0$r$7$F$$$?$N$G$9$,!"$A$g$C$H5$$K$J$k(B
$BF0:n$,$"$j$^$9!#(B

------------
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>

int main(int, char *);


int main(int argc, char *argv)
{
    int		i;
    pid_t	pid;

    (void)signal(SIGCHLD, SIG_IGN);

    for (i = 0; i < 10; i++) {
	pid = fork();
	if (pid == 0) {
	    break;
	}
	
	(void)printf("pid %d\n", pid);
    }

    if (pid != 0) {
	(void)printf("sleep\n");
	sleep(600);
    }

    return 0;
}
------------

(void)signal(SIGCHLD, SIG_IGN) $B$H$7$F$$$k$K$b$+$+$o$i$:(B $B;R%W%m%;%9$,(B
ZOMBI $B$H$7$F;D$j$^$9!#(B

$B!t(B ZOMBI $B$r=*N;$5$;$k$N$O(B wait(2) $B$H$$$&$N$OM}2r$7$F$$$^$9!#(B
$B!t(B $B;R%W%m%;%9$N=*N;%9%F!<%?%9$OI,MW>u67$J$$$N$G(B 
$B!t(B (void)signal(SIGCHLD, SIG_IGN) $B$H$7$F$*$1$P(B ZOMBI $B$K$J$i$:$K=*N;(B
$B!t(B $B$9$k$H;W$C$F$$$^$7$?!#(B
$B!t(B $BF1$8%W%m%0%i%`$r(B Linux $B>e$GF0$+$9$H(B ZOMBI $B$O$G$-$^$;$s!#(B

$B$3$l$O$J$<$G$7$g$&!)(B
$B!t(B $B$J$K$+Bg9{$1$r$+$^$7$F$$$k!)(B

--------
Boarder. -> Katsuya TANAKA
