3 # $Id: getpid.sh,v 1.5 2006/08/05 00:15:28 alex Exp $
8 # detect flags for "ps" and "head"
10 if [ $UNAME = "FreeBSD" ]; then
11 PS_FLAGS="-a"; PS_PIDCOL="1"; HEAD_FLAGS="-n 1"
12 elif [ $UNAME = "A/UX" ]; then
13 PS_FLAGS="-ae"; PS_PIDCOL="1"; HEAD_FLAGS="-1"
14 elif [ $UNAME = "GNU" ]; then
15 PS_FLAGS="-ax"; PS_PIDCOL="2"; HEAD_FLAGS="-n 1"
16 elif [ $UNAME = "Linux" ]; then
17 PS_FLAGS="ax"; PS_PIDCOL="1"; HEAD_FLAGS="-n 1"
18 elif [ $UNAME = "SunOS" ]; then
19 PS_FLAGS="-af"; PS_PIDCOL=2; HEAD_FLAGS="-n 1"
21 PS_FLAGS="-af"; PS_PIDCOL="2"; HEAD_FLAGS="-n 1"
22 ps $PS_FLAGS > /dev/null 2>&1
23 if [ $? -ne 0 ]; then PS_FLAGS="a"; PS_PIDCOL="1"; fi
27 #echo "$0: UNAME=$UNAME"
28 #echo "$0: PS_FLAGS=$PS_FLAGS"
29 #echo "$0: PS_PIDCOL=$PS_PIDCOL"
30 #echo "$0: HEAD_FLAGS=$HEAD_FLAGS"
33 ps $PS_FLAGS > procs.tmp
35 grep -v "$0" | grep "$1" | \
36 awk "{print \$$PS_PIDCOL}" | \
38 pid=`head $HEAD_FLAGS pids.tmp`
39 rm -rf procs.tmp pids.tmp
42 [ "$pid" -gt 1 ] > /dev/null 2>&1
43 [ $? -ne 0 ] && exit 1