glusterfs

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#!/bin/bash
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# Make sure this only gets included/executed once.  Unfortunately, bash doesn't
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# usually distinguish between values that are unset and values that are null.
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# To work around that, we declare TRAPFUNCS to be a one-element array right at
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# the start, but that one element is : which is defined to do nothing.
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if [ ${#TRAPFUNCS[@]} = 0 ]; then
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        TRAPFUNCS=(:)
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        push_trapfunc () {
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                TRAPFUNCS[${#TRAPFUNCS[@]}]="$@"
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        }
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        execute_trapfuncs () {
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                for i in "${TRAPFUNCS[@]}"; do
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                        $i
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                done
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        }
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        trap execute_trapfuncs EXIT
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fi
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