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023dcd44c1
- `Main::setup` early exits (failure or `--help`/`--version`) now consistently return `EXIT_FAILURE` or `EXIT_SUCCESS` on all platforms, instead of 255 on some and a Godot Error code on others. - `Main::start` now returns the exit code, simplifying the handling of early failures. - `Main::iteration` needs to explicit set the exit code in OS if it errors out. - Web and iOS now properly return `OS::get_exit_code()` instead of 0.
99 lines
3.9 KiB
C++
99 lines
3.9 KiB
C++
/**************************************************************************/
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/* godot_linuxbsd.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "os_linuxbsd.h"
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#include "main/main.h"
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#include <limits.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <unistd.h>
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#if defined(SANITIZERS_ENABLED)
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#include <sys/resource.h>
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#endif
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// For export templates, add a section; the exporter will patch it to enclose
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// the data appended to the executable (bundled PCK).
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#if !defined(TOOLS_ENABLED) && defined(__GNUC__)
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static const char dummy[8] __attribute__((section("pck"), used)) = { 0 };
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// Dummy function to prevent LTO from discarding "pck" section.
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extern "C" const char *pck_section_dummy_call() __attribute__((used));
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extern "C" const char *pck_section_dummy_call() {
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return &dummy[0];
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}
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#endif
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int main(int argc, char *argv[]) {
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#if defined(SANITIZERS_ENABLED)
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// Note: Set stack size to be at least 30 MB (vs 8 MB default) to avoid overflow, address sanitizer can increase stack usage up to 3 times.
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struct rlimit stack_lim = { 0x1E00000, 0x1E00000 };
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setrlimit(RLIMIT_STACK, &stack_lim);
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#endif
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OS_LinuxBSD os;
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setlocale(LC_CTYPE, "");
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// We must override main when testing is enabled
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TEST_MAIN_OVERRIDE
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char *cwd = (char *)malloc(PATH_MAX);
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ERR_FAIL_NULL_V(cwd, ERR_OUT_OF_MEMORY);
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char *ret = getcwd(cwd, PATH_MAX);
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Error err = Main::setup(argv[0], argc - 1, &argv[1]);
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if (err != OK) {
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free(cwd);
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if (err == ERR_HELP) { // Returned by --help and --version, so success.
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return EXIT_SUCCESS;
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}
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return EXIT_FAILURE;
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}
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if (Main::start() == EXIT_SUCCESS) {
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os.run();
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} else {
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os.set_exit_code(EXIT_FAILURE);
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}
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Main::cleanup();
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if (ret) { // Previous getcwd was successful
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if (chdir(cwd) != 0) {
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ERR_PRINT("Couldn't return to previous working directory.");
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}
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}
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free(cwd);
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return os.get_exit_code();
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}
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