Add xdisplaycheck back until //build dependency is removed
BUG=670470
R=dpranke@chromium.org
Review-Url: https://codereview.chromium.org/2553033003
Cr-Original-Commit-Position: refs/heads/master@{#436864}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: af830f3a656f8895dcdd30239e074e5521c313ee
diff --git a/BUILD.gn b/BUILD.gn
new file mode 100644
index 0000000..779e163
--- /dev/null
+++ b/BUILD.gn
@@ -0,0 +1,15 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+executable("xdisplaycheck") {
+ sources = [
+ "xdisplaycheck.cc",
+ ]
+
+ configs += [ "//build/config/linux:x11" ]
+
+ deps = [
+ "//build/config/sanitizers:deps",
+ ]
+}
diff --git a/xdisplaycheck.cc b/xdisplaycheck.cc
new file mode 100644
index 0000000..6623153
--- /dev/null
+++ b/xdisplaycheck.cc
@@ -0,0 +1,119 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// This is a small program that tries to connect to the X server. It
+// continually retries until it connects or 30 seconds pass. If it fails
+// to connect to the X server or fails to find needed functiona, it returns
+// an error code of -1.
+//
+// This is to help verify that a useful X server is available before we start
+// start running tests on the build bots.
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <X11/Xlib.h>
+
+#if defined(USE_AURA)
+#include <X11/extensions/XInput2.h>
+#endif
+
+void Sleep(int duration_ms) {
+ struct timespec sleep_time, remaining;
+
+ // Contains the portion of duration_ms >= 1 sec.
+ sleep_time.tv_sec = duration_ms / 1000;
+ duration_ms -= sleep_time.tv_sec * 1000;
+
+ // Contains the portion of duration_ms < 1 sec.
+ sleep_time.tv_nsec = duration_ms * 1000 * 1000; // nanoseconds.
+
+ while (nanosleep(&sleep_time, &remaining) == -1 && errno == EINTR)
+ sleep_time = remaining;
+}
+
+class XScopedDisplay {
+ public:
+ XScopedDisplay() : display_(NULL) {}
+ ~XScopedDisplay() {
+ if (display_) XCloseDisplay(display_);
+ }
+
+ void set(Display* display) { display_ = display; }
+ Display* display() { return display_; }
+
+ private:
+ Display* display_;
+};
+
+int main(int argc, char* argv[]) {
+ XScopedDisplay scoped_display;
+ if (argv[1] && strcmp(argv[1], "--noserver") == 0) {
+ scoped_display.set(XOpenDisplay(NULL));
+ if (scoped_display.display()) {
+ fprintf(stderr, "Found unexpected connectable display %s\n",
+ XDisplayName(NULL));
+ }
+ // Return success when we got an unexpected display so that the code
+ // without the --noserver is the same, but slow, rather than inverted.
+ return !scoped_display.display();
+ }
+
+ int kNumTries = 78; // 78*77/2 * 10 = 30s of waiting
+ int tries;
+ for (tries = 0; tries < kNumTries; ++tries) {
+ scoped_display.set(XOpenDisplay(NULL));
+ if (scoped_display.display())
+ break;
+ Sleep(10 * tries);
+ }
+
+ if (!scoped_display.display()) {
+ fprintf(stderr, "Failed to connect to %s\n", XDisplayName(NULL));
+ return -1;
+ }
+
+ fprintf(stderr, "Connected after %d retries\n", tries);
+
+#if defined(USE_AURA)
+ // Check for XInput2
+ int opcode, event, err;
+ if (!XQueryExtension(scoped_display.display(), "XInputExtension", &opcode,
+ &event, &err)) {
+ fprintf(stderr,
+ "Failed to get XInputExtension on %s.\n", XDisplayName(NULL));
+ return -2;
+ }
+
+ int major = 2, minor = 0;
+ if (XIQueryVersion(scoped_display.display(), &major, &minor) == BadRequest) {
+ fprintf(stderr,
+ "Server does not have XInput2 on %s.\n", XDisplayName(NULL));
+ return -3;
+ }
+
+ // Ask for the list of devices. This can cause some Xvfb to crash.
+ int count = 0;
+ XIDeviceInfo* devices =
+ XIQueryDevice(scoped_display.display(), XIAllDevices, &count);
+ if (devices)
+ XIFreeDeviceInfo(devices);
+
+ fprintf(stderr,
+ "XInput2 verified initially sane on %s.\n", XDisplayName(NULL));
+#endif
+ return 0;
+}
+
+#if defined(LEAK_SANITIZER)
+// XOpenDisplay leaks memory if it takes more than one try to connect. This
+// causes LSan bots to fail. We don't care about memory leaks in xdisplaycheck
+// anyway, so just disable LSan completely.
+// This function isn't referenced from the executable itself. Make sure it isn't
+// stripped by the linker.
+__attribute__((used))
+__attribute__((visibility("default")))
+extern "C" int __lsan_is_turned_off() { return 1; }
+#endif
