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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 5 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 after 5 seconds, it returns an error code | 7 // to connect to the X server or fails to find needed functiona, it returns |
8 // of -1. | 8 // an error code of -1. |
9 // | 9 // |
10 // This is to help verify that the 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 <time.h> | 15 #include <time.h> |
16 #include <X11/Xlib.h> | 16 #include <X11/Xlib.h> |
17 | 17 |
18 #if defined(USE_AURA) | 18 #if defined(USE_AURA) |
19 #include <X11/extensions/XInput2.h> | 19 #include <X11/extensions/XInput2.h> |
20 #endif | 20 #endif |
21 | 21 |
22 void Sleep(int duration_ms) { | 22 void Sleep(int duration_ms) { |
23 struct timespec sleep_time, remaining; | 23 struct timespec sleep_time, remaining; |
24 | 24 |
25 // Contains the portion of duration_ms >= 1 sec. | 25 // Contains the portion of duration_ms >= 1 sec. |
26 sleep_time.tv_sec = duration_ms / 1000; | 26 sleep_time.tv_sec = duration_ms / 1000; |
27 duration_ms -= sleep_time.tv_sec * 1000; | 27 duration_ms -= sleep_time.tv_sec * 1000; |
28 | 28 |
29 // Contains the portion of duration_ms < 1 sec. | 29 // Contains the portion of duration_ms < 1 sec. |
30 sleep_time.tv_nsec = duration_ms * 1000 * 1000; // nanoseconds. | 30 sleep_time.tv_nsec = duration_ms * 1000 * 1000; // nanoseconds. |
31 | 31 |
32 while (nanosleep(&sleep_time, &remaining) == -1 && errno == EINTR) | 32 while (nanosleep(&sleep_time, &remaining) == -1 && errno == EINTR) |
33 sleep_time = remaining; | 33 sleep_time = remaining; |
34 } | 34 } |
35 | 35 |
36 int main(int argc, char* argv[]) { | 36 int main(int argc, char* argv[]) { |
37 int kNumTries = 50; // 49*48/2 * 10 = 12.25s of waiting | 37 int kNumTries = 78; // 78*77/2 * 10 = 30s of waiting |
38 Display* display = NULL; | 38 Display* display = NULL; |
39 int tries; | 39 int tries; |
40 for (tries = 0; tries < kNumTries; ++tries) { | 40 for (tries = 0; tries < kNumTries; ++tries) { |
41 display = XOpenDisplay(NULL); | 41 display = XOpenDisplay(NULL); |
42 if (display) | 42 if (display) |
43 break; | 43 break; |
44 Sleep(10 * tries); | 44 Sleep(10 * tries); |
45 } | 45 } |
46 | 46 |
47 if (!display) { | 47 if (!display) { |
(...skipping 24 matching lines...) Expand all Loading... |
72 XIDeviceInfo* devices = XIQueryDevice(display, XIAllDevices, &count); | 72 XIDeviceInfo* devices = XIQueryDevice(display, XIAllDevices, &count); |
73 if (devices) | 73 if (devices) |
74 XIFreeDeviceInfo(devices); | 74 XIFreeDeviceInfo(devices); |
75 | 75 |
76 fprintf(stderr, | 76 fprintf(stderr, |
77 "XInput2 verified initially sane on %s.\n", XDisplayName(NULL)); | 77 "XInput2 verified initially sane on %s.\n", XDisplayName(NULL)); |
78 #endif | 78 #endif |
79 | 79 |
80 return 0; | 80 return 0; |
81 } | 81 } |
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