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tests/interp/g71-endless-loop2/test.sh

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+#!/bin/bash
+set -e
+
+# Demonstrate endless loop when an additional segment is added in the G71 call.
+# This is a subset of a file that was supplied in
+# https://github.com/LinuxCNC/linuxcnc/issues/2844 and which worked up to and
+# including 2.9.1~pre1. It entered an endless loop after
+# https://github.com/LinuxCNC/linuxcnc/pull/2677
+
+rs274 -g g71-endless-loop2.ngc | awk '{$1=""; print}' > result &
+pid=$!
+
+# Give it 5 seconds to complete
+count=5
+while [ 0 -lt $count ] && kill -0 $pid > /dev/null 2>&1 ; do
+    sleep 1
+    count=$((count - 1))
+done
+
+if kill -0 $pid > /dev/null 2>&1; then
+    kill -9 $pid
+    echo "error: g71-endless-loop2.ngc program seem to be stuck, killing"
+    exit 1
+fi
+
+exit 0