15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This is a small program that tries to connect to the X server. It 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// continually retries until it connects or 30 seconds pass. If it fails 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// to connect to the X server or fails to find needed functiona, it returns 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// an error code of -1. 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This is to help verify that a useful X server is available before we start 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// start running tests on the build bots. 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <errno.h> 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <stdio.h> 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string.h> 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <time.h> 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <X11/Xlib.h> 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_AURA) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <X11/extensions/XInput2.h> 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Sleep(int duration_ms) { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) struct timespec sleep_time, remaining; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Contains the portion of duration_ms >= 1 sec. 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sleep_time.tv_sec = duration_ms / 1000; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) duration_ms -= sleep_time.tv_sec * 1000; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Contains the portion of duration_ms < 1 sec. 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sleep_time.tv_nsec = duration_ms * 1000 * 1000; // nanoseconds. 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (nanosleep(&sleep_time, &remaining) == -1 && errno == EINTR) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sleep_time = remaining; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 377dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochclass XScopedDisplay { 387dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch public: 397dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch XScopedDisplay() : display_(NULL) {} 407dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ~XScopedDisplay() { 417dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (display_) XCloseDisplay(display_); 427dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 437dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 447dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch void set(Display* display) { display_ = display; } 457dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Display* display() { return display_; } 467dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 477dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch private: 487dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch Display* display_; 497dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch}; 507dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int main(int argc, char* argv[]) { 527dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch XScopedDisplay scoped_display; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (argv[1] && strcmp(argv[1], "--noserver") == 0) { 547dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch scoped_display.set(XOpenDisplay(NULL)); 557dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (scoped_display.display()) { 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(stderr, "Found unexpected connectable display %s\n", 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XDisplayName(NULL)); 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Return success when we got an unexpected display so that the code 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // without the --noserver is the same, but slow, rather than inverted. 617dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return !scoped_display.display(); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int kNumTries = 78; // 78*77/2 * 10 = 30s of waiting 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int tries; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (tries = 0; tries < kNumTries; ++tries) { 677dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch scoped_display.set(XOpenDisplay(NULL)); 687dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (scoped_display.display()) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Sleep(10 * tries); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (!scoped_display.display()) { 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(stderr, "Failed to connect to %s\n", XDisplayName(NULL)); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return -1; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(stderr, "Connected after %d retries\n", tries); 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_AURA) 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check for XInput2 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int opcode, event, err; 837dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (!XQueryExtension(scoped_display.display(), "XInputExtension", &opcode, 847dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch &event, &err)) { 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(stderr, 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "Failed to get XInputExtension on %s.\n", XDisplayName(NULL)); 87116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return -2; 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int major = 2, minor = 0; 917dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (XIQueryVersion(scoped_display.display(), &major, &minor) == BadRequest) { 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(stderr, 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "Server does not have XInput2 on %s.\n", XDisplayName(NULL)); 94116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return -3; 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ask for the list of devices. This can cause some Xvfb to crash. 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int count = 0; 997dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch XIDeviceInfo* devices = 1007dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch XIQueryDevice(scoped_display.display(), XIAllDevices, &count); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (devices) 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) XIFreeDeviceInfo(devices); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fprintf(stderr, 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "XInput2 verified initially sane on %s.\n", XDisplayName(NULL)); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 109a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch 110a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch#if defined(LEAK_SANITIZER) 111a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch// XOpenDisplay leaks memory if it takes more than one try to connect. This 112a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch// causes LSan bots to fail. We don't care about memory leaks in xdisplaycheck 113a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch// anyway, so just disable LSan completely. 114e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// This function isn't referenced from the executable itself. Make sure it isn't 115e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch// stripped by the linker. 116e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch__attribute__((used)) 117e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch__attribute__((visibility("default"))) 118a3f7b4e666c476898878fa745f637129375cd889Ben Murdochextern "C" int __lsan_is_turned_off() { return 1; } 119a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch#endif 120