44 lines
651 B
Plaintext
44 lines
651 B
Plaintext
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#!/bin/sh
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# -*- Mode: shell-script -*-
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#
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# Script to using a lock file
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#
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# Author : Olivier SIROL
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# Date : Sep 1997
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# $Id: alc_flock,v 1.1 1999/09/09 14:24:53 czo Exp $
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#
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LOCK_FILE=/users/cao3/sirol/toto
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LOCK_HOST=silver
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trap "rm -f $LOCK_FILE ; exit 0" 0 1 2 15
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getlock() {
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while [ X`rsh $LOCK_HOST /users/cao3/sirol/local/Linux_elf/bin/shlock -f $LOCK_FILE -p 1`Y = XLOCKEDY ] ;
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do
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echo "$LOCK_FILE is locked, waiting 2 sec..."
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sleep 2
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done
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echo "Creating lock file : $LOCK_FILE"
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}
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rmlock() {
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echo "Removing lock file : $LOCK_FILE"
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rsh $LOCK_HOST rm -f $LOCK_FILE ;
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}
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# main
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#getlock 2> /dev/null
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getlock
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sleep 5
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rmlock
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