etc/nodist/nfs-functions

   1 #!/bin/bash
   2 #
   3 # An attempt at a simple, distribution-independent daemon management.
   4 #
   5 # Copyright (C) 2000-2001 Mission Critical Linux, Inc.
   6 #
   7
   8 # daemon functions
   9 getpid()
  10 {
  11     pid=''
  12     if [ -f /var/run/${base}.pid ]
  13     then
  14         pid=`head -1 /var/run/${base}.pid`
  15     fi
  16     if [ "$pid" = "" ]
  17     then
  18         pid=`pidof $1`
  19     fi
  20     if [ "$pid" = "" ]
  21     then
  22         pid=`ps ax | awk 'BEGIN { prog=ARGV[1]; ARGC=1 }
  23                    { if ((prog == $5) || (("(" prog ")") == $5) ||
  24                      (("[" prog "]") == $5) ||
  25                    ((prog ":") == $5)) { print $1 ; exit 0 } }' $1`
  26     fi
  27
  28     echo $pid
  29 }
  30
  31 startdaemon()
  32 {
  33     base=`basename $1`
  34
  35     # check if it is already running
  36     pid=`getpid $base`
  37     [ -n "$pid" ] && ps h $pid >/dev/null 2>&1 && echo " already running." && return
  38
  39     # don't dump core
  40     ulimit -c 0
  41
  42     $* && echo " done." || echo " failed."
  43 }
  44
  45 stopdaemon()
  46 {
  47     base=`basename $1`
  48     pid=`getpid $base`
  49
  50     if [ "$pid" != "" ]
  51     then
  52         if ps h $pid>/dev/null 2>&1
  53         then
  54             kill -TERM $pid
  55             if ps h $pid>/dev/null 2>&1
  56             then
  57                 sleep 1
  58                 if ps h $pid>/dev/null 2>&1
  59                 then
  60                     sleep 3
  61                     if ps h $pid>/dev/null 2>&1
  62                     then
  63                         kill -KILL $pid
  64                         sleep 2
  65                     fi
  66                 fi
  67             fi
  68         fi
  69         ps h $pid >/dev/null 2>&1
  70         RC=$?
  71         [ $RC -eq 0 ] && echo " failed." || echo " done."
  72         [ $RC -eq 0 ] || rm -f /var/run/$base.pid >/dev/null 2>&1
  73     else
  74         echo " not running."
  75     fi
  76 }
  77
  78 daemonstatus()
  79 {
  80     base=`basename $1`
  81     pid=`getpid $base`
  82
  83     if [ "$pid" != "" ]
  84     then
  85         if ps h $pid >/dev/null 2>&1
  86         then
  87             echo "$base (pid $pid) is running."
  88             return 0
  89         else
  90             if [ -f /var/run/${base}.pid ]
  91             then
  92                 echo "$base dead but pid file exists."
  93                 return 1
  94             else
  95                 echo "$base is stopped."
  96                 return 2
  97             fi
  98         fi
  99     else
 100         echo "$base is stopped."
 101         return 3
 102     fi
 103 }
 104