From 4012c9269aa9d29f8205bd1a69d4d7381667a692 Mon Sep 17 00:00:00 2001
From: wollman <wollman@FreeBSD.org>
Date: Thu, 12 Oct 1995 16:43:27 +0000
Subject: [PATCH] Record PID in /var/run/inetd.pid and document same.

---
 usr.sbin/inetd/inetd.8     | 26 +++++++++++++++++++++++---
 usr.sbin/inetd/inetd.c     | 11 ++++++++++-
 usr.sbin/inetd/pathnames.h |  1 +
 3 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/usr.sbin/inetd/inetd.8 b/usr.sbin/inetd/inetd.8
index d00c2790322c..5632c5c2109b 100644
--- a/usr.sbin/inetd/inetd.8
+++ b/usr.sbin/inetd/inetd.8
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)inetd.8	8.3 (Berkeley) 4/13/94
-.\"	$Id: inetd.8,v 1.4 1994/12/21 19:08:41 wollman Exp $
+.\"	$Id: inetd.8,v 1.5 1995/10/09 23:34:07 davidg Exp $
 .\"
 .Dd April 13, 1994
 .Dt INETD 8
@@ -322,6 +322,11 @@ rereads its configuration file when it receives a hangup signal,
 .Dv SIGHUP .
 Services may be added, deleted or modified when the configuration file
 is reread.
+Except when started in debugging mode,
+.Nm
+records its process ID in the file
+.Pa /var/run/inetd.pid
+to assist in reconfiguration.
 .Sh TCPMUX
 .Pp
 .Tn RFC 1078 
@@ -347,6 +352,18 @@ causes
 .Nm inetd
 to list TCPMUX services in
 .Pa inetd.conf .
+.Sh "FILES"
+.Bl -tag -width /var/run/inetd.pid -compact
+.It Pa /etc/inetd.conf
+configuration file.
+.It Pa /etc/rpc
+translation of service names to RPC program numbers.
+.It Pa /etc/services
+translation of service names to port numbers.
+.It Pa /var/run/inetd.pid
+the pid of the currently running
+.Nm inetd .
+.El
 .Sh "EXAMPLES"
 .Pp
 Here are several example service entries for the various types of services:
@@ -406,6 +423,8 @@ The user or group ID for the entry's
 .Em user
 is invalid.
 .Sh SEE ALSO
+.Xr rpc 5 ,
+.Xr services 5 ,
 .Xr comsat 8 ,
 .Xr fingerd 8 ,
 .Xr ftpd 8 ,
@@ -423,7 +442,8 @@ command appeared in
 .Bx 4.3 .
 TCPMUX is based on code and documentation by Mark Lottor.
 Support for
-.Em Sun-RPC 
+.Tn "ONC RPC"
 based services is modelled after that
 provided by
-.Em SunOS 4.1 .
+.Tn SunOS
+4.1.
diff --git a/usr.sbin/inetd/inetd.c b/usr.sbin/inetd/inetd.c
index 3d921f25bccb..ca2fc39344ed 100644
--- a/usr.sbin/inetd/inetd.c
+++ b/usr.sbin/inetd/inetd.c
@@ -40,7 +40,7 @@ static char copyright[] =
 #ifndef lint
 /* from: @(#)inetd.c	8.4 (Berkeley) 4/13/94"; */
 static char inetd_c_rcsid[] =
-	"$Id: inetd.c,v 1.5.2.1 1995/06/05 01:01:19 davidg Exp $";
+	"$Id: inetd.c,v 1.6 1995/06/11 19:32:39 rgrimes Exp $";
 #endif /* not lint */
 
 /*
@@ -296,7 +296,16 @@ main(argc, argv, envp)
 	if (argc > 0)
 		CONFIG = argv[0];
 	if (debug == 0) {
+		FILE *fp;
 		daemon(0, 0);
+		pid = getpid();
+		fp = fopen(_PATH_INETDPID, "w");
+		if (fp) {
+			fprintf(fp, "%ld\n", (long)pid);
+			fclose(fp);
+		} else {
+			syslog(LOG_WARNING, _PATH_INETDPID ": %m");
+		}
 	}
 	memset(&sv, 0, sizeof(sv));
 	sv.sv_mask = SIGBLOCK;
diff --git a/usr.sbin/inetd/pathnames.h b/usr.sbin/inetd/pathnames.h
index e8ae3cd4a10d..7b0bd31de614 100644
--- a/usr.sbin/inetd/pathnames.h
+++ b/usr.sbin/inetd/pathnames.h
@@ -36,3 +36,4 @@
 #include <paths.h>
 
 #define	_PATH_INETDCONF	"/etc/inetd.conf"
+#define _PATH_INETDPID	_PATH_VARRUN "inetd.pid"