35 lines
345 B
Bash
35 lines
345 B
Bash
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#!/bin/bash
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touch testfile
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(
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flock -n -x 10
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if [ $? -ne 0 ]
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then
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echo "could not acquire log!"
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exit 1
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fi
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sleep 10
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flock -u 10
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) 10>testfile &
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sleep 1
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(
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flock -n -x 11
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if [ $? -ne 1 ]
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then
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echo "could acquire lock!"
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exit 1
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fi
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) 11>testfile
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if [ $? -ne 0 ]
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then
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echo "failed"
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exit 1
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fi
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echo "locking works :)"
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exit 0
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