From 5894f7afe1f35469e766a3c3fd6f6b0ee806a31a Mon Sep 17 00:00:00 2001
From: in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Sun, 14 Apr 2002 14:08:56 +0000
Subject: kvm's killdeadbbs

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@102 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 util/Makefile      |  7 +++++--
 util/killdeadbbs.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+), 2 deletions(-)
 create mode 100644 util/killdeadbbs.c

diff --git a/util/Makefile b/util/Makefile
index 443ac6eb..d1dd93e1 100644
--- a/util/Makefile
+++ b/util/Makefile
@@ -1,4 +1,4 @@
-# $Id: Makefile,v 1.9 2002/04/05 14:36:44 in2 Exp $
+# $Id: Makefile,v 1.10 2002/04/14 14:08:56 in2 Exp $
 
 BBSHOME?=$(HOME)
 OSTYPE?=linux
@@ -30,7 +30,7 @@ CPROGS=	bbsmail BM_money post account birth deluserfile expire mandex\
 	poststat showboard antispam countalldice webgrep bbsrf\
 	initbbs outmail xchatd userlist tunepasswd buildir reaper shmsweep\
 	merge_passwd merge_board inndBM buildAnnounce rmuid \
-	toplazyBM jungo	toplazyBBM shmctl
+	toplazyBM jungo	toplazyBBM shmctl killdeadbbs
 
 PROGS=	$(CPROGS) BM_money.sh backpasswd.sh mailog.sh opendice.sh\
 	openticket.sh stock.sh topsong.sh weather.sh stock.perl weather.perl\
@@ -156,6 +156,9 @@ bbsctl:	bbsctl.c
 shmctl:	shmctl.c $(OBJS)
 	$(CC) $(CFLAGS) -o $@ $@.c $(OBJS)
 
+killdeadbbs: killdeadbbs.c
+	$(CC) $(CFLAGS) -lkvm -o $@ $@.c
+
 install: $(PROGS)
 	install -d $(BBSHOME)/bin/
 	install -c -m 755 $(PROGS) $(BBSHOME)/bin/
diff --git a/util/killdeadbbs.c b/util/killdeadbbs.c
new file mode 100644
index 00000000..0c83fe29
--- /dev/null
+++ b/util/killdeadbbs.c
@@ -0,0 +1,56 @@
+#ifndef FreeBSD
+int main(int argc, char **argv)
+{
+    puts("this program is only for FreeBSD");
+}
+#else
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <kvm.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+#include "config.h"        // for BBSUID
+
+int main(int argc, char **argv)
+{
+    kvm_t   *kd;
+    struct  kinfo_proc *kp;
+    char    errbuf[_POSIX2_LINE_MAX];
+    int     nentries, i, npids;
+    pid_t   pids[8192];
+    kd = kvm_openfiles("/dev/null", "/dev/null", NULL, O_RDONLY, errbuf);
+    if( kd == NULL )
+	errx(1, "%s", errbuf);
+    
+    if ((kp = kvm_getprocs(kd, KERN_PROC_UID, BBSUID, &nentries)) == 0 ||
+	nentries < 0)
+	errx(1, "%s", kvm_geterr(kd));
+
+    for( npids = 0, i = nentries ; --i >= 0 ; ++kp ){
+	if( strncmp(kp->ki_comm, "mbbsd", 5) == 0 ){
+	    if( kp->ki_runtime > (60 * 1000000) ){ // 60 secs
+		kill(kp->ki_pid, 1);
+		pids[npids++] = kp->ki_pid;
+		printf("%d\n", kp->ki_pid);
+	    }
+	}
+    }
+    
+    if( npids != 0 ){
+	sleep(2);
+	while( --npids >= 0 )
+	    kill(pids[npids], 9);
+    }
+
+    kvm_close(kd);
+    return 0;
+}
+
+#endif
-- 
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