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40 lines
964 B
Bash
Executable File
40 lines
964 B
Bash
Executable File
#!/bin/sh
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# ngIRCd Test Suite
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# $Id: getpid.sh,v 1.2.4.2 2003/11/07 20:51:11 alex Exp $
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# did we get a name?
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[ $# -ne 1 ] && exit 1
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# detect flags for "ps" and "head"
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if [ `uname` = "FreeBSD" ]; then
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PS_FLAGS="-a"; PS_PIDCOL="1"; HEAD_FLAGS="-n 1"
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elif [ `uname` = "A/UX" ]; then
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PS_FLAGS="-ae"; PS_PIDCOL="1"; HEAD_FLAGS="-1"
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elif [ `uname` = "GNU" ]; then
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PS_FLAGS="-ax"; PS_PIDCOL="2"; HEAD_FLAGS="-n 1"
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else
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PS_FLAGS="-f"; PS_PIDCOL="2"; HEAD_FLAGS="-n 1"
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ps $PS_FLAGS > /dev/null 2>&1
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if [ $? -ne 0 ]; then PS_FLAGS="a"; PS_PIDCOL="1"; fi
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fi
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# debug output
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#echo "$0: PS_FLAGS=$PS_FLAGS"
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#echo "$0: PS_PIDCOL=$PS_PIDCOL"
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#echo "$0: HEAD_FLAGS=$HEAD_FLAGS"
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# search PID
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ps $PS_FLAGS > procs.tmp
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cat procs.tmp | grep -v "$0" | grep "$1" | awk "{print \$$PS_PIDCOL}" | sort -n > pids.tmp
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pid=`head $HEAD_FLAGS pids.tmp`
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rm -rf procs.tmp pids.tmp
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# validate PID
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[ "$pid" -gt 1 ] > /dev/null 2>&1
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[ $? -ne 0 ] && exit 1
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echo $pid
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exit 0
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# -eof-
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