xref: /llvm-project/libcxx/utils/ci/vendor/android/emulator-wait-for-ready.sh (revision 52dc4918ca8b874ddd4e4fcad873a66ecc5b6953)
1*d173ce4aSRyan Prichard#!/usr/bin/env bash
2*d173ce4aSRyan Prichard# ===----------------------------------------------------------------------===##
3*d173ce4aSRyan Prichard#
4*d173ce4aSRyan Prichard# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5*d173ce4aSRyan Prichard# See https://llvm.org/LICENSE.txt for license information.
6*d173ce4aSRyan Prichard# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7*d173ce4aSRyan Prichard#
8*d173ce4aSRyan Prichard# ===----------------------------------------------------------------------===##
9*d173ce4aSRyan Prichard
10*d173ce4aSRyan Prichardset -ex
11*d173ce4aSRyan Prichard
12*d173ce4aSRyan Prichard# Time to wait in seconds. The emulator ought to start in 5-15 seconds or so,
13*d173ce4aSRyan Prichard# so add a safety factor in case something takes longer in CI.
14*d173ce4aSRyan PrichardTIMEOUT=${1-300}
15*d173ce4aSRyan Prichard
16*d173ce4aSRyan Prichard# This syntax (using an IP address of 127.0.0.1 rather than localhost) seems to
17*d173ce4aSRyan Prichard# prevent the adb client from ever spawning an adb host server.
18*d173ce4aSRyan Prichardexport ADB_SERVER_SOCKET=tcp:127.0.0.1:5037
19*d173ce4aSRyan Prichard
20*d173ce4aSRyan Prichard# Invoke nc first to ensure that something is listening to port 5037. Otherwise,
21*d173ce4aSRyan Prichard# invoking adb might fork an adb server.
22*d173ce4aSRyan Prichard#
23*d173ce4aSRyan Prichard# TODO: Consider waiting for `adb shell getprop dev.bootcomplete 2>/dev/null
24*d173ce4aSRyan Prichard# | grep 1 >/dev/null` as well. It adds ~4 seconds to 21-def-x86 and ~15 seconds
25*d173ce4aSRyan Prichard# to 33-goog-x86_64 and doesn't seem to be necessary for running libc++ tests.
26*d173ce4aSRyan Prichardtimeout ${TIMEOUT} bash -c '
27*d173ce4aSRyan Pricharduntil (nc -z localhost 5037 && adb wait-for-device); do
28*d173ce4aSRyan Prichard    sleep 0.5
29*d173ce4aSRyan Pricharddone
30*d173ce4aSRyan Prichard'
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