Set KERN_PROC_NOBROADCASTKILL so that iscsid is not killed by init

when terminating multi-user so that we have a chance to sync the
file systems mounted via iscsi.

diff --git a/usr.sbin/iscsid/iscsid.c b/usr.sbin/iscsid/iscsid.c
index 05621df..5d21104 100644 (file)
--- a/usr.sbin/iscsid/iscsid.c
+++ b/usr.sbin/iscsid/iscsid.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: iscsid.c,v 1.15 2014/05/10 11:30:47 claudio Exp $ */
+/*     $OpenBSD: iscsid.c,v 1.16 2014/07/13 17:07:00 claudio Exp $ */
 
 /*
  * Copyright (c) 2009 Claudio Jeker <claudio@openbsd.org>
@@ -20,6 +20,7 @@
 #include <sys/param.h>
 #include <sys/queue.h>
 #include <sys/socket.h>
+#include <sys/sysctl.h>
 #include <sys/time.h>
 #include <sys/uio.h>
 
@@ -69,7 +70,8 @@ main(int argc, char *argv[])
        struct passwd *pw;
        char *ctrlsock = ISCSID_CONTROL;
        char *vscsidev = ISCSID_DEVICE;
-       int ch, debug = 0, verbose = 0;
+       int name[] = { CTL_KERN, KERN_PROC_NOBROADCASTKILL, 0 };
+       int ch, debug = 0, verbose = 0, nobkill = 1;
 
        log_init(1);    /* log to stderr until daemonized */
        log_verbose(1);
@@ -114,6 +116,10 @@ main(int argc, char *argv[])
                daemon(1, 0);
        log_info("startup");
 
+       name[2] = getpid();
+       if (sysctl(name, 3, NULL, 0, &nobkill, sizeof(nobkill)) != 0)
+               fatal("sysctl");
+
        event_init();
        vscsi_open(vscsidev);