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32 lines
829 B
32 lines
829 B
#!/bin/bash
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# Copyright (c) 2014 The Bitcoin Core developers
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# Distributed under the MIT/X11 software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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TIMEOUT=10
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SIGNAL=HUP
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PIDFILE=.send.pid
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if [ $# -eq 0 ]; then
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echo -e "Usage:\t$0 <cmd>"
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echo -e "\tRuns <cmd> and wait ${TIMEOUT} seconds or until SIG${SIGNAL} is received."
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echo -e "\tReturns: 0 if SIG${SIGNAL} is received, 1 otherwise."
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echo -e "Or:\t$0 -STOP"
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echo -e "\tsends SIG${SIGNAL} to running send.sh"
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exit 0
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fi
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if [ $1 = "-STOP" ]; then
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if [ -s ${PIDFILE} ]; then
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kill -s ${SIGNAL} $(<$PIDFILE 2>/dev/null) 2>/dev/null
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fi
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exit 0
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fi
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trap '[[ ${PID} ]] && kill ${PID}' ${SIGNAL}
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trap 'rm -f ${PIDFILE}' EXIT
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echo $$ > ${PIDFILE}
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"$@"
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sleep ${TIMEOUT} & PID=$!
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wait ${PID} && exit 1
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exit 0
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