31 lines · bash
1#!/usr/bin/env bash2# ===----------------------------------------------------------------------===##3#4# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5# See https://llvm.org/LICENSE.txt for license information.6# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7#8# ===----------------------------------------------------------------------===##9 10set -ex11 12# Time to wait in seconds. The emulator ought to start in 5-15 seconds or so,13# so add a safety factor in case something takes longer in CI.14TIMEOUT=${1-300}15 16# This syntax (using an IP address of 127.0.0.1 rather than localhost) seems to17# prevent the adb client from ever spawning an adb host server.18export ADB_SERVER_SOCKET=tcp:127.0.0.1:503719 20# Invoke nc first to ensure that something is listening to port 5037. Otherwise,21# invoking adb might fork an adb server.22#23# TODO: Consider waiting for `adb shell getprop dev.bootcomplete 2>/dev/null24# | grep 1 >/dev/null` as well. It adds ~4 seconds to 21-def-x86 and ~15 seconds25# to 33-goog-x86_64 and doesn't seem to be necessary for running libc++ tests.26timeout ${TIMEOUT} bash -c '27until (nc -z localhost 5037 && adb wait-for-device); do28 sleep 0.529done30'31