Make -P or --pidfile keep programs from running if already running.

[sliver-openvswitch.git] / switch / switch.8.in

diff --git a/switch/switch.8.in b/switch/switch.8.in
index a4fcb0e..dfa114a 100644 (file)
--- a/switch/switch.8.in
+++ b/switch/switch.8.in
@@ -42,6 +42,10 @@ The specified SSL \fIport\fR (default: 976) on the given remote
 The specified TCP \fIport\fR (default: 975) on the given remote
 \fIhost\fR.
 
+.TP
+\fBunix:\fIfile\fR
+The Unix domain server socket named \fIfile\fR.
+
 .SH OPTIONS
 .TP
 \fB-i\fR, \fB--interfaces=\fR\fInetdev\fR[\fB,\fInetdev\fR]...
@@ -87,6 +91,16 @@ the PID of the running process.  If \fIpidfile\fR is not specified, or
 if it does not begin with \fB/\fR, then it is created in
 \fB@rundir@\fR.
 
+.TP
+\fB-f\fR, \fB--force\fR
+By default, when \fB-P\fR or \fB--pidfile\fR is specified and the
+specified pidfile already exists and is locked by a running process,
+\fBswitch\fR refuses to start.  Specify \fB-f\fR or \fB--force\fR
+to cause it to instead overwrite the pidfile.
+
+When \fB-P\fR or \fB--pidfile\fR is not specified, this option has no
+effect.
+
 .TP
 \fB-D\fR, \fB--detach\fR
 Causes \fBswitch\fR to detach itself from the foreground session and