From 0f5dc89d0772eba2d1a06a57a7d3aeb69146a5a2 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Thu, 25 Apr 2019 20:58:13 -0400
Subject: _mutex_trylock(), mutex_is_unlockable(): Make "set -e"-safe

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(limited to 'tests/substvars.sh')

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