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24 lines
423 B
Bash
Executable file
24 lines
423 B
Bash
Executable file
#! /usr/bin/env bash
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# Sleeps until a process id no longer exists.
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if [[ $# -ne 2 ]]; then
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>&2 echo "usage: $0 <pid to wait for> <max secs to wait>"
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exit 1
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fi
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wait_pid=$1
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max_wait=$2
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wait_count=0
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while kill -0 $wait_pid &> /dev/null; do
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let "wait_count += 1"
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if [[ $wait_count -ge $max_wait ]]; then
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>&2 echo "error: process $wait_pid still exists after $max_wait seconds"
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exit 1
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fi
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sleep 1
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done
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