Effective DisplayServer separation, rename X11 -> LinuxBSD

2025-10-20 00:13:30 +00:00 · 2020-03-03 10:36:29 -03:00 · 2020-03-03 10:36:29 -03:00 · f8a79a97c7
commit f8a79a97c7
parent 4396e98834
83 changed files with 1304 additions and 5378 deletions
--- a/platform/linuxbsd/crash_handler_linuxbsd.cpp
+++ b/platform/linuxbsd/crash_handler_linuxbsd.cpp
@ -0,0 +1,149 @@
+/*************************************************************************/
+/*  crash_handler_linuxbsd.cpp                                           */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#include "crash_handler_linuxbsd.h"
+
+#include "core/os/os.h"
+#include "core/project_settings.h"
+#include "main/main.h"
+
+#ifdef DEBUG_ENABLED
+#define CRASH_HANDLER_ENABLED 1
+#endif
+
+#ifdef CRASH_HANDLER_ENABLED
+#include <cxxabi.h>
+#include <dlfcn.h>
+#include <execinfo.h>
+#include <signal.h>
+#include <stdlib.h>
+
+static void handle_crash(int sig) {
+	if (OS::get_singleton() == NULL) {
+		abort();
+	}
+
+	void *bt_buffer[256];
+	size_t size = backtrace(bt_buffer, 256);
+	String _execpath = OS::get_singleton()->get_executable_path();
+
+	String msg;
+	const ProjectSettings *proj_settings = ProjectSettings::get_singleton();
+	if (proj_settings) {
+		msg = proj_settings->get("debug/settings/crash_handler/message");
+	}
+
+	// Dump the backtrace to stderr with a message to the user
+	fprintf(stderr, "%s: Program crashed with signal %d\n", __FUNCTION__, sig);
+
+	if (OS::get_singleton()->get_main_loop())
+		OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_CRASH);
+
+	fprintf(stderr, "Dumping the backtrace. %ls\n", msg.c_str());
+	char **strings = backtrace_symbols(bt_buffer, size);
+	if (strings) {
+		for (size_t i = 1; i < size; i++) {
+			char fname[1024];
+			Dl_info info;
+
+			snprintf(fname, 1024, "%s", strings[i]);
+
+			// Try to demangle the function name to provide a more readable one
+			if (dladdr(bt_buffer[i], &info) && info.dli_sname) {
+				if (info.dli_sname[0] == '_') {
+					int status;
+					char *demangled = abi::__cxa_demangle(info.dli_sname, NULL, 0, &status);
+
+					if (status == 0 && demangled) {
+						snprintf(fname, 1024, "%s", demangled);
+					}
+
+					if (demangled)
+						free(demangled);
+				}
+			}
+
+			List<String> args;
+
+			char str[1024];
+			snprintf(str, 1024, "%p", bt_buffer[i]);
+			args.push_back(str);
+			args.push_back("-e");
+			args.push_back(_execpath);
+
+			String output = "";
+
+			// Try to get the file/line number using addr2line
+			int ret;
+			Error err = OS::get_singleton()->execute(String("addr2line"), args, true, NULL, &output, &ret);
+			if (err == OK) {
+				output.erase(output.length() - 1, 1);
+			}
+
+			fprintf(stderr, "[%ld] %s (%ls)\n", (long int)i, fname, output.c_str());
+		}
+
+		free(strings);
+	}
+	fprintf(stderr, "-- END OF BACKTRACE --\n");
+
+	// Abort to pass the error to the OS
+	abort();
+}
+#endif
+
+CrashHandler::CrashHandler() {
+	disabled = false;
+}
+
+CrashHandler::~CrashHandler() {
+	disable();
+}
+
+void CrashHandler::disable() {
+	if (disabled)
+		return;
+
+#ifdef CRASH_HANDLER_ENABLED
+	signal(SIGSEGV, NULL);
+	signal(SIGFPE, NULL);
+	signal(SIGILL, NULL);
+#endif
+
+	disabled = true;
+}
+
+void CrashHandler::initialize() {
+#ifdef CRASH_HANDLER_ENABLED
+	signal(SIGSEGV, handle_crash);
+	signal(SIGFPE, handle_crash);
+	signal(SIGILL, handle_crash);
+#endif
+}