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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // This is a small program that tries to connect to the X server. It | 5 // This is a small program that tries to connect to the X server. It |
6 // continually retries until it connects or 30 seconds pass. If it fails | 6 // continually retries until it connects or 30 seconds pass. If it fails |
7 // to connect to the X server or fails to find needed functiona, it returns | 7 // to connect to the X server or fails to find needed functiona, it returns |
8 // an error code of -1. | 8 // an error code of -1. |
9 // | 9 // |
10 // This is to help verify that a useful X server is available before we start | 10 // This is to help verify that a useful X server is available before we start |
11 // start running tests on the build bots. | 11 // start running tests on the build bots. |
12 | 12 |
13 #include <errno.h> | 13 #include <errno.h> |
14 #include <stdio.h> | 14 #include <stdio.h> |
| 15 #include <string.h> |
15 #include <time.h> | 16 #include <time.h> |
16 #include <X11/Xlib.h> | 17 #include <X11/Xlib.h> |
17 | 18 |
18 #if defined(USE_AURA) | 19 #if defined(USE_AURA) |
19 #include <X11/extensions/XInput2.h> | 20 #include <X11/extensions/XInput2.h> |
20 #endif | 21 #endif |
21 | 22 |
22 void Sleep(int duration_ms) { | 23 void Sleep(int duration_ms) { |
23 struct timespec sleep_time, remaining; | 24 struct timespec sleep_time, remaining; |
24 | 25 |
25 // Contains the portion of duration_ms >= 1 sec. | 26 // Contains the portion of duration_ms >= 1 sec. |
26 sleep_time.tv_sec = duration_ms / 1000; | 27 sleep_time.tv_sec = duration_ms / 1000; |
27 duration_ms -= sleep_time.tv_sec * 1000; | 28 duration_ms -= sleep_time.tv_sec * 1000; |
28 | 29 |
29 // Contains the portion of duration_ms < 1 sec. | 30 // Contains the portion of duration_ms < 1 sec. |
30 sleep_time.tv_nsec = duration_ms * 1000 * 1000; // nanoseconds. | 31 sleep_time.tv_nsec = duration_ms * 1000 * 1000; // nanoseconds. |
31 | 32 |
32 while (nanosleep(&sleep_time, &remaining) == -1 && errno == EINTR) | 33 while (nanosleep(&sleep_time, &remaining) == -1 && errno == EINTR) |
33 sleep_time = remaining; | 34 sleep_time = remaining; |
34 } | 35 } |
35 | 36 |
36 int main(int argc, char* argv[]) { | 37 int main(int argc, char* argv[]) { |
| 38 Display* display = NULL; |
| 39 if (argv[1] && strcmp(argv[1], "--noserver") == 0) { |
| 40 display = XOpenDisplay(NULL); |
| 41 if (display) { |
| 42 fprintf(stderr, "Found unexpected connectable display %s\n", |
| 43 XDisplayName(NULL)); |
| 44 } |
| 45 // Return success when we got an unexpected display so that the code |
| 46 // without the --noserver is the same, but slow, rather than inverted. |
| 47 return !display; |
| 48 } |
| 49 |
37 int kNumTries = 78; // 78*77/2 * 10 = 30s of waiting | 50 int kNumTries = 78; // 78*77/2 * 10 = 30s of waiting |
38 Display* display = NULL; | |
39 int tries; | 51 int tries; |
40 for (tries = 0; tries < kNumTries; ++tries) { | 52 for (tries = 0; tries < kNumTries; ++tries) { |
41 display = XOpenDisplay(NULL); | 53 display = XOpenDisplay(NULL); |
42 if (display) | 54 if (display) |
43 break; | 55 break; |
44 Sleep(10 * tries); | 56 Sleep(10 * tries); |
45 } | 57 } |
46 | 58 |
47 if (!display) { | 59 if (!display) { |
48 fprintf(stderr, "Failed to connect to %s\n", XDisplayName(NULL)); | 60 fprintf(stderr, "Failed to connect to %s\n", XDisplayName(NULL)); |
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72 XIDeviceInfo* devices = XIQueryDevice(display, XIAllDevices, &count); | 84 XIDeviceInfo* devices = XIQueryDevice(display, XIAllDevices, &count); |
73 if (devices) | 85 if (devices) |
74 XIFreeDeviceInfo(devices); | 86 XIFreeDeviceInfo(devices); |
75 | 87 |
76 fprintf(stderr, | 88 fprintf(stderr, |
77 "XInput2 verified initially sane on %s.\n", XDisplayName(NULL)); | 89 "XInput2 verified initially sane on %s.\n", XDisplayName(NULL)); |
78 #endif | 90 #endif |
79 | 91 |
80 return 0; | 92 return 0; |
81 } | 93 } |
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