voids do not collapse until all processes leave

dotfiles/system/etc/zsh/zshrc

@@ -132,6 +132,17 @@ function mkvoid () {
 	pushd "${__MKVOID_PATH}" > /dev/null || die "pushd"
 	OVER_PROMPT_VOIDS="$OVER_PROMPT_VOIDS:$__MKVOID_NAME" zsh
 	popd > /dev/null
+	
+	while true; do
+		fuser -s "${__MKVOID_PATH}"
+		if [[ $? == 1 ]]; then
+			break
+		else
+			echo -n ">>> Waiting for other processes to abandon this void.\r"
+		fi
+		sleep 5
+	done
+	
 	rm -f "${__MKVOID_PATH}" || die "rm link"
 	rm -rf "${__MKVOID_ID}" || die "rm void"
 }