godot/platform/linuxbsd/godot_linuxbsd.cpp

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/**************************************************************************/
/* godot_linuxbsd.cpp */
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/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "os_linuxbsd.h"
#include "main/main.h"
#include <limits.h>
#include <locale.h>
#include <stdlib.h>
#include <unistd.h>
#if defined(SANITIZERS_ENABLED)
#include <sys/resource.h>
#endif
// For export templates, add a section; the exporter will patch it to enclose
// the data appended to the executable (bundled PCK).
#if !defined(TOOLS_ENABLED) && defined(__GNUC__)
static const char dummy[8] __attribute__((section("pck"), used)) = { 0 };
// Dummy function to prevent LTO from discarding "pck" section.
extern "C" const char *pck_section_dummy_call() __attribute__((used));
extern "C" const char *pck_section_dummy_call() {
return &dummy[0];
}
#endif
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int main(int argc, char *argv[]) {
#if defined(SANITIZERS_ENABLED)
// 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.
struct rlimit stack_lim = { 0x1E00000, 0x1E00000 };
setrlimit(RLIMIT_STACK, &stack_lim);
#endif
OS_LinuxBSD os;
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setlocale(LC_CTYPE, "");
// We must override main when testing is enabled
TEST_MAIN_OVERRIDE
char *cwd = (char *)malloc(PATH_MAX);
ERR_FAIL_NULL_V(cwd, ERR_OUT_OF_MEMORY);
char *ret = getcwd(cwd, PATH_MAX);
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Error err = Main::setup(argv[0], argc - 1, &argv[1]);
if (err != OK) {
free(cwd);
if (err == ERR_HELP) { // Returned by --help and --version, so success.
return EXIT_SUCCESS;
}
return EXIT_FAILURE;
}
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if (Main::start() == EXIT_SUCCESS) {
os.run();
} else {
os.set_exit_code(EXIT_FAILURE);
}
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Main::cleanup();
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if (ret) { // Previous getcwd was successful
if (chdir(cwd) != 0) {
ERR_PRINT("Couldn't return to previous working directory.");
}
}
free(cwd);
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return os.get_exit_code();
}