Make writing the pid file optional

gentoo/files/pgmon.cfg

@@ -3,8 +3,7 @@
 ##
 
 # Where to write/find the agent PID
-#pid_file=/tmt/pgmon.pid
-pid_file=/run/pgmon/pgmon.pid
+#pid_file=
 
 ##
 # Agent communication settings
@@ -12,7 +11,6 @@ pid_file=/run/pgmon/pgmon.pid
 
 # IPC socket
 #ipc_socket=/tmp/pgmon.sock
-ipc_socket=/run/pgmon/pgmon.sock
 
 # IPC communication timeout (s)
 #ipc_timeout=10

gentoo/files/pgmon.openrc

@@ -10,12 +10,12 @@ PID_FILE="/run/pgmon/${agent_name}.pid"
 LOG_FILE="/var/log/${agent_name}.log"
 SOCKET="/var/run/${agent_name}.socket"
 
-command="/usr/bin/pgmon"
-command_args="--server -c '$CONFIG_FILE' -l '$LOG_FILE' -p '$PID_FILE' -s '$SOCKET'"
-command_user="zabbix:zabbix"
-
 pidfile="$PID_FILE"
 
+command_background="/usr/bin/pgmon"
+command_args="--server -c '$CONFIG_FILE' -l '$LOG_FILE' -s '$SOCKET'"
+command_user="zabbix:zabbix"
+
 start_pre() {
 	checkpath -d -m 0755 -o "${command_user}" "/run/pgmon"
 	checkpath -d -m 0755 -o "${command_user}" "/var/log/pgmon"