portmap(8) and mountd(8) both accept an argument 'd' in order to
prevent them from detaching from the controlling terminal. This
allows them e.g. to be run from daemontools-like startup procedures.
The following patch adds the same functionality to nfsd(8).
Index: sbin/nfsd/nfsd.8
===================================================================
RCS file: /cvs/src/sbin/nfsd/nfsd.8,v
retrieving revision 1.18
diff -u -r1.18 nfsd.8
--- sbin/nfsd/nfsd.8 12 Jul 2014 17:38:19 -0000 1.18
+++ sbin/nfsd/nfsd.8 5 May 2015 06:51:51 -0000
@@ -40,7 +40,7 @@
server
.Sh SYNOPSIS
.Nm nfsd
-.Op Fl rtu
+.Op Fl drtu
.Op Fl n Ar num_servers
.Sh DESCRIPTION
.Nm
@@ -57,6 +57,11 @@
.Pp
The options are as follows:
.Bl -tag -width Ds
+.It Fl d
+Enable debugging mode.
+.Nm
+will not detach from the controlling terminal and will print
+debugging messages to stderr.
.It Fl n Ar num_servers
Specifies how many servers to create (max 20).
.It Fl r
Index: sbin/nfsd/nfsd.c
===================================================================
RCS file: /cvs/src/sbin/nfsd/nfsd.c,v
retrieving revision 1.35
diff -u -r1.35 nfsd.c
--- sbin/nfsd/nfsd.c 16 Jan 2015 06:40:00 -0000 1.35
+++ sbin/nfsd/nfsd.c 5 May 2015 06:51:51 -0000
@@ -112,8 +112,11 @@
if (argc == 1)
udpflag = 1;
- while ((ch = getopt(argc, argv, "n:rtu")) != -1)
+ while ((ch = getopt(argc, argv, "dn:rtu")) != -1)
switch (ch) {
+ case 'd':
+ debug = 1;
+ break;
case 'n':
nfsdcnt = strtonum(optarg, 1, MAXNFSDCNT, &errstr);
if (errstr) {
@@ -175,9 +178,11 @@
return (0);
}
- /* Cut back to writing to log only. */
- closelog();
- openlog("nfsd", LOG_PID, LOG_DAEMON);
+ if (debug == 0) {
+ /* Cut back to writing to log only. */
+ closelog();
+ openlog("nfsd", LOG_PID, LOG_DAEMON);
+ }
for (i = 0; i < nfsdcnt; i++) {
switch (fork()) {
