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Quelle mozgtk.c Sprache: C |
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "mozilla/Types.h" #include <gdk/gdk.h> // Dummy call to gtk3 library to prevent the linker from removing // the gtk3 dependency with --as-needed. // see toolkit/library/moz.build for details. MOZ_EXPORT void mozgtk_linker_holder() { gdk_display_get_default(); } #ifdef MOZ_X11 # include <X11/Xlib.h> // Bug 1271100 // We need to trick system Cairo into not using the XShm extension due to // a race condition in it that results in frequent BadAccess errors. Cairo // relies upon XShmQueryExtension to initially detect if XShm is available. // So we define our own stub that always indicates XShm not being present. // mozgtk loads before libXext/libcairo and so this stub will take priority. // Our tree usage goes through xcb and remains unaffected by this. // // This is also used to force libxul to depend on the mozgtk library. If we // ever can remove this workaround for system Cairo, we'll need something // to replace it for that purpose. MOZ_EXPORT Bool XShmQueryExtension(Display* aDisplay) { return False; } #endif
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2026-04-04