1018 lines
29 KiB
C++
1018 lines
29 KiB
C++
/**************************************************************************/
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/* os_unix.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_unix.h"
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#ifdef UNIX_ENABLED
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#include "core/config/project_settings.h"
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#include "core/debugger/engine_debugger.h"
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#include "core/debugger/script_debugger.h"
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#include "drivers/unix/dir_access_unix.h"
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#include "drivers/unix/file_access_unix.h"
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#include "drivers/unix/file_access_unix_pipe.h"
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#include "drivers/unix/net_socket_posix.h"
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#include "drivers/unix/thread_posix.h"
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#include "servers/rendering_server.h"
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#if defined(__APPLE__)
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#include <mach-o/dyld.h>
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#include <mach/host_info.h>
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#include <mach/mach_host.h>
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#include <mach/mach_time.h>
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#include <sys/sysctl.h>
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#endif
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#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#endif
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#if defined(__FreeBSD__)
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#include <kvm.h>
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#endif
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#if defined(__OpenBSD__)
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#include <sys/swap.h>
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#include <uvm/uvmexp.h>
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#endif
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#if defined(__NetBSD__)
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#include <uvm/uvm_extern.h>
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#endif
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#include <dlfcn.h>
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#include <errno.h>
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#include <poll.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/resource.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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#ifndef RTLD_DEEPBIND
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#define RTLD_DEEPBIND 0
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#endif
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#ifndef SANITIZERS_ENABLED
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#define GODOT_DLOPEN_MODE RTLD_NOW | RTLD_DEEPBIND
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#else
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#define GODOT_DLOPEN_MODE RTLD_NOW
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#endif
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#if defined(MACOS_ENABLED) || (defined(__ANDROID_API__) && __ANDROID_API__ >= 28)
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// Random location for getentropy. Fitting.
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#include <sys/random.h>
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#define UNIX_GET_ENTROPY
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#elif defined(__FreeBSD__) || defined(__OpenBSD__) || (defined(__GLIBC_MINOR__) && (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 26))
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// In <unistd.h>.
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// One day... (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 700)
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// https://publications.opengroup.org/standards/unix/c211
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#define UNIX_GET_ENTROPY
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#endif
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#if !defined(UNIX_GET_ENTROPY) && !defined(NO_URANDOM)
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#include <fcntl.h>
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#endif
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/// Clock Setup function (used by get_ticks_usec)
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static uint64_t _clock_start = 0;
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#if defined(__APPLE__)
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static double _clock_scale = 0;
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static void _setup_clock() {
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mach_timebase_info_data_t info;
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kern_return_t ret = mach_timebase_info(&info);
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ERR_FAIL_COND_MSG(ret != 0, "OS CLOCK IS NOT WORKING!");
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_clock_scale = ((double)info.numer / (double)info.denom) / 1000.0;
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_clock_start = mach_absolute_time() * _clock_scale;
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}
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#else
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#if defined(CLOCK_MONOTONIC_RAW) && !defined(WEB_ENABLED) // This is a better clock on Linux.
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#define GODOT_CLOCK CLOCK_MONOTONIC_RAW
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#else
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#define GODOT_CLOCK CLOCK_MONOTONIC
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#endif
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static void _setup_clock() {
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struct timespec tv_now = { 0, 0 };
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ERR_FAIL_COND_MSG(clock_gettime(GODOT_CLOCK, &tv_now) != 0, "OS CLOCK IS NOT WORKING!");
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_clock_start = ((uint64_t)tv_now.tv_nsec / 1000L) + (uint64_t)tv_now.tv_sec * 1000000L;
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}
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#endif
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static void handle_interrupt(int sig) {
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if (!EngineDebugger::is_active()) {
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return;
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}
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EngineDebugger::get_script_debugger()->set_depth(-1);
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EngineDebugger::get_script_debugger()->set_lines_left(1);
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}
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void OS_Unix::initialize_debugging() {
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if (EngineDebugger::is_active()) {
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struct sigaction action;
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memset(&action, 0, sizeof(action));
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action.sa_handler = handle_interrupt;
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sigaction(SIGINT, &action, nullptr);
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}
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}
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int OS_Unix::unix_initialize_audio(int p_audio_driver) {
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return 0;
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}
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void OS_Unix::initialize_core() {
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#ifdef THREADS_ENABLED
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init_thread_posix();
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#endif
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FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_RESOURCES);
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FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_USERDATA);
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FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_FILESYSTEM);
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FileAccess::make_default<FileAccessUnixPipe>(FileAccess::ACCESS_PIPE);
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DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_RESOURCES);
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DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_USERDATA);
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DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_FILESYSTEM);
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NetSocketPosix::make_default();
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IPUnix::make_default();
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process_map = memnew((HashMap<ProcessID, ProcessInfo>));
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_setup_clock();
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}
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void OS_Unix::finalize_core() {
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memdelete(process_map);
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NetSocketPosix::cleanup();
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}
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Vector<String> OS_Unix::get_video_adapter_driver_info() const {
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return Vector<String>();
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}
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String OS_Unix::get_stdin_string() {
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char buff[1024];
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return String::utf8(fgets(buff, 1024, stdin));
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}
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Error OS_Unix::get_entropy(uint8_t *r_buffer, int p_bytes) {
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#if defined(UNIX_GET_ENTROPY)
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int left = p_bytes;
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int ofs = 0;
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do {
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int chunk = MIN(left, 256);
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ERR_FAIL_COND_V(getentropy(r_buffer + ofs, chunk), FAILED);
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left -= chunk;
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ofs += chunk;
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} while (left > 0);
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// Define this yourself if you don't want to fall back to /dev/urandom.
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#elif !defined(NO_URANDOM)
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int r = open("/dev/urandom", O_RDONLY);
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ERR_FAIL_COND_V(r < 0, FAILED);
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int left = p_bytes;
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do {
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ssize_t ret = read(r, r_buffer, p_bytes);
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ERR_FAIL_COND_V(ret <= 0, FAILED);
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left -= ret;
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} while (left > 0);
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#else
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return ERR_UNAVAILABLE;
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#endif
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return OK;
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}
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String OS_Unix::get_name() const {
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return "Unix";
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}
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String OS_Unix::get_distribution_name() const {
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return "";
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}
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String OS_Unix::get_version() const {
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return "";
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}
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double OS_Unix::get_unix_time() const {
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struct timeval tv_now;
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gettimeofday(&tv_now, nullptr);
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return (double)tv_now.tv_sec + double(tv_now.tv_usec) / 1000000;
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}
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OS::DateTime OS_Unix::get_datetime(bool p_utc) const {
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time_t t = time(nullptr);
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struct tm lt;
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if (p_utc) {
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gmtime_r(&t, <);
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} else {
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localtime_r(&t, <);
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}
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DateTime ret;
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ret.year = 1900 + lt.tm_year;
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// Index starting at 1 to match OS_Unix::get_date
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// and Windows SYSTEMTIME and tm_mon follows the typical structure
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// of 0-11, noted here: http://www.cplusplus.com/reference/ctime/tm/
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ret.month = (Month)(lt.tm_mon + 1);
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ret.day = lt.tm_mday;
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ret.weekday = (Weekday)lt.tm_wday;
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ret.hour = lt.tm_hour;
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ret.minute = lt.tm_min;
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ret.second = lt.tm_sec;
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ret.dst = lt.tm_isdst;
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return ret;
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}
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OS::TimeZoneInfo OS_Unix::get_time_zone_info() const {
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time_t t = time(nullptr);
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struct tm lt;
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localtime_r(&t, <);
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char name[16];
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strftime(name, 16, "%Z", <);
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name[15] = 0;
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TimeZoneInfo ret;
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ret.name = name;
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char bias_buf[16];
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strftime(bias_buf, 16, "%z", <);
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int bias;
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bias_buf[15] = 0;
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sscanf(bias_buf, "%d", &bias);
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// convert from ISO 8601 (1 minute=1, 1 hour=100) to minutes
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int hour = (int)bias / 100;
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int minutes = bias % 100;
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if (bias < 0) {
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ret.bias = hour * 60 - minutes;
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} else {
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ret.bias = hour * 60 + minutes;
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}
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return ret;
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}
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void OS_Unix::delay_usec(uint32_t p_usec) const {
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struct timespec requested = { static_cast<time_t>(p_usec / 1000000), (static_cast<long>(p_usec) % 1000000) * 1000 };
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struct timespec remaining;
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while (nanosleep(&requested, &remaining) == -1 && errno == EINTR) {
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requested.tv_sec = remaining.tv_sec;
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requested.tv_nsec = remaining.tv_nsec;
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}
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}
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uint64_t OS_Unix::get_ticks_usec() const {
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#if defined(__APPLE__)
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uint64_t longtime = mach_absolute_time() * _clock_scale;
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#else
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// Unchecked return. Static analyzers might complain.
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// If _setup_clock() succeeded, we assume clock_gettime() works.
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struct timespec tv_now = { 0, 0 };
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clock_gettime(GODOT_CLOCK, &tv_now);
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uint64_t longtime = ((uint64_t)tv_now.tv_nsec / 1000L) + (uint64_t)tv_now.tv_sec * 1000000L;
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#endif
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longtime -= _clock_start;
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return longtime;
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}
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Dictionary OS_Unix::get_memory_info() const {
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Dictionary meminfo;
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meminfo["physical"] = -1;
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meminfo["free"] = -1;
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meminfo["available"] = -1;
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meminfo["stack"] = -1;
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#if defined(__APPLE__)
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int pagesize = 0;
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size_t len = sizeof(pagesize);
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if (sysctlbyname("vm.pagesize", &pagesize, &len, nullptr, 0) < 0) {
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ERR_PRINT(vformat("Could not get vm.pagesize, error code: %d - %s", errno, strerror(errno)));
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}
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int64_t phy_mem = 0;
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len = sizeof(phy_mem);
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if (sysctlbyname("hw.memsize", &phy_mem, &len, nullptr, 0) < 0) {
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ERR_PRINT(vformat("Could not get hw.memsize, error code: %d - %s", errno, strerror(errno)));
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}
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mach_msg_type_number_t count = HOST_VM_INFO64_COUNT;
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vm_statistics64_data_t vmstat;
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if (host_statistics64(mach_host_self(), HOST_VM_INFO64, (host_info64_t)&vmstat, &count) != KERN_SUCCESS) {
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ERR_PRINT("Could not get host vm statistics.");
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}
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struct xsw_usage swap_used;
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len = sizeof(swap_used);
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if (sysctlbyname("vm.swapusage", &swap_used, &len, nullptr, 0) < 0) {
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ERR_PRINT(vformat("Could not get vm.swapusage, error code: %d - %s", errno, strerror(errno)));
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}
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if (phy_mem != 0) {
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meminfo["physical"] = phy_mem;
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}
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if (vmstat.free_count * (int64_t)pagesize != 0) {
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meminfo["free"] = vmstat.free_count * (int64_t)pagesize;
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}
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if (swap_used.xsu_avail + vmstat.free_count * (int64_t)pagesize != 0) {
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meminfo["available"] = swap_used.xsu_avail + vmstat.free_count * (int64_t)pagesize;
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}
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#elif defined(__FreeBSD__)
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int pagesize = 0;
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size_t len = sizeof(pagesize);
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if (sysctlbyname("vm.stats.vm.v_page_size", &pagesize, &len, nullptr, 0) < 0) {
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ERR_PRINT(vformat("Could not get vm.stats.vm.v_page_size, error code: %d - %s", errno, strerror(errno)));
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}
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uint64_t mtotal = 0;
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len = sizeof(mtotal);
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if (sysctlbyname("vm.stats.vm.v_page_count", &mtotal, &len, nullptr, 0) < 0) {
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ERR_PRINT(vformat("Could not get vm.stats.vm.v_page_count, error code: %d - %s", errno, strerror(errno)));
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}
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uint64_t mfree = 0;
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len = sizeof(mfree);
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if (sysctlbyname("vm.stats.vm.v_free_count", &mfree, &len, nullptr, 0) < 0) {
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ERR_PRINT(vformat("Could not get vm.stats.vm.v_free_count, error code: %d - %s", errno, strerror(errno)));
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}
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uint64_t stotal = 0;
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uint64_t sused = 0;
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char errmsg[_POSIX2_LINE_MAX] = {};
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kvm_t *kd = kvm_openfiles(nullptr, "/dev/null", nullptr, 0, errmsg);
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if (kd == nullptr) {
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ERR_PRINT(vformat("kvm_openfiles failed, error: %s", errmsg));
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} else {
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struct kvm_swap swap_info[32];
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int count = kvm_getswapinfo(kd, swap_info, 32, 0);
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for (int i = 0; i < count; i++) {
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stotal += swap_info[i].ksw_total;
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sused += swap_info[i].ksw_used;
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}
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kvm_close(kd);
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}
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if (mtotal * pagesize != 0) {
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meminfo["physical"] = mtotal * pagesize;
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}
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if (mfree * pagesize != 0) {
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meminfo["free"] = mfree * pagesize;
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}
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if ((mfree + stotal - sused) * pagesize != 0) {
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meminfo["available"] = (mfree + stotal - sused) * pagesize;
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}
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#elif defined(__OpenBSD__)
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int pagesize = sysconf(_SC_PAGESIZE);
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const int mib[] = { CTL_VM, VM_UVMEXP };
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uvmexp uvmexp_info;
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size_t len = sizeof(uvmexp_info);
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if (sysctl(mib, 2, &uvmexp_info, &len, nullptr, 0) < 0) {
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ERR_PRINT(vformat("Could not get CTL_VM, VM_UVMEXP, error code: %d - %s", errno, strerror(errno)));
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}
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uint64_t stotal = 0;
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uint64_t sused = 0;
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int count = swapctl(SWAP_NSWAP, 0, 0);
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if (count > 0) {
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swapent swap_info[count];
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count = swapctl(SWAP_STATS, swap_info, count);
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for (int i = 0; i < count; i++) {
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if (swap_info[i].se_flags & SWF_ENABLE) {
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sused += swap_info[i].se_inuse;
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stotal += swap_info[i].se_nblks;
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}
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}
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}
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if (uvmexp_info.npages * pagesize != 0) {
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meminfo["physical"] = uvmexp_info.npages * pagesize;
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}
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if (uvmexp_info.free * pagesize != 0) {
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meminfo["free"] = uvmexp_info.free * pagesize;
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}
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if ((uvmexp_info.free * pagesize) + (stotal - sused) * DEV_BSIZE != 0) {
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meminfo["available"] = (uvmexp_info.free * pagesize) + (stotal - sused) * DEV_BSIZE;
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}
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#elif defined(__NetBSD__)
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int pagesize = sysconf(_SC_PAGESIZE);
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const int mib[] = { CTL_VM, VM_UVMEXP2 };
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uvmexp_sysctl uvmexp_info;
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size_t len = sizeof(uvmexp_info);
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if (sysctl(mib, 2, &uvmexp_info, &len, nullptr, 0) < 0) {
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ERR_PRINT(vformat("Could not get CTL_VM, VM_UVMEXP2, error code: %d - %s", errno, strerror(errno)));
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}
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if (uvmexp_info.npages * pagesize != 0) {
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meminfo["physical"] = uvmexp_info.npages * pagesize;
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}
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if (uvmexp_info.free * pagesize != 0) {
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meminfo["free"] = uvmexp_info.free * pagesize;
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}
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if ((uvmexp_info.free + uvmexp_info.swpages - uvmexp_info.swpginuse) * pagesize != 0) {
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meminfo["available"] = (uvmexp_info.free + uvmexp_info.swpages - uvmexp_info.swpginuse) * pagesize;
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}
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#else
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Error err;
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Ref<FileAccess> f = FileAccess::open("/proc/meminfo", FileAccess::READ, &err);
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uint64_t mtotal = 0;
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uint64_t mfree = 0;
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uint64_t sfree = 0;
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|
while (f.is_valid() && !f->eof_reached()) {
|
|
String s = f->get_line().strip_edges();
|
|
if (s.begins_with("MemTotal:")) {
|
|
Vector<String> stok = s.replace("MemTotal:", "").strip_edges().split(" ");
|
|
if (stok.size() == 2) {
|
|
mtotal = stok[0].to_int() * 1024;
|
|
}
|
|
}
|
|
if (s.begins_with("MemFree:")) {
|
|
Vector<String> stok = s.replace("MemFree:", "").strip_edges().split(" ");
|
|
if (stok.size() == 2) {
|
|
mfree = stok[0].to_int() * 1024;
|
|
}
|
|
}
|
|
if (s.begins_with("SwapFree:")) {
|
|
Vector<String> stok = s.replace("SwapFree:", "").strip_edges().split(" ");
|
|
if (stok.size() == 2) {
|
|
sfree = stok[0].to_int() * 1024;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mtotal != 0) {
|
|
meminfo["physical"] = mtotal;
|
|
}
|
|
if (mfree != 0) {
|
|
meminfo["free"] = mfree;
|
|
}
|
|
if (mfree + sfree != 0) {
|
|
meminfo["available"] = mfree + sfree;
|
|
}
|
|
#endif
|
|
|
|
rlimit stackinfo = {};
|
|
getrlimit(RLIMIT_STACK, &stackinfo);
|
|
|
|
if (stackinfo.rlim_cur != 0) {
|
|
meminfo["stack"] = (int64_t)stackinfo.rlim_cur;
|
|
}
|
|
|
|
return meminfo;
|
|
}
|
|
|
|
Dictionary OS_Unix::execute_with_pipe(const String &p_path, const List<String> &p_arguments) {
|
|
#define CLEAN_PIPES \
|
|
if (pipe_in[0] >= 0) { \
|
|
::close(pipe_in[0]); \
|
|
} \
|
|
if (pipe_in[1] >= 0) { \
|
|
::close(pipe_in[1]); \
|
|
} \
|
|
if (pipe_out[0] >= 0) { \
|
|
::close(pipe_out[0]); \
|
|
} \
|
|
if (pipe_out[1] >= 0) { \
|
|
::close(pipe_out[1]); \
|
|
} \
|
|
if (pipe_err[0] >= 0) { \
|
|
::close(pipe_err[0]); \
|
|
} \
|
|
if (pipe_err[1] >= 0) { \
|
|
::close(pipe_err[1]); \
|
|
}
|
|
|
|
Dictionary ret;
|
|
#ifdef __EMSCRIPTEN__
|
|
// Don't compile this code at all to avoid undefined references.
|
|
// Actual virtual call goes to OS_Web.
|
|
ERR_FAIL_V(ret);
|
|
#else
|
|
// Create pipes.
|
|
int pipe_in[2] = { -1, -1 };
|
|
int pipe_out[2] = { -1, -1 };
|
|
int pipe_err[2] = { -1, -1 };
|
|
|
|
ERR_FAIL_COND_V(pipe(pipe_in) != 0, ret);
|
|
if (pipe(pipe_out) != 0) {
|
|
CLEAN_PIPES
|
|
ERR_FAIL_V(ret);
|
|
}
|
|
if (pipe(pipe_err) != 0) {
|
|
CLEAN_PIPES
|
|
ERR_FAIL_V(ret);
|
|
}
|
|
|
|
// Create process.
|
|
pid_t pid = fork();
|
|
if (pid < 0) {
|
|
CLEAN_PIPES
|
|
ERR_FAIL_V(ret);
|
|
}
|
|
|
|
if (pid == 0) {
|
|
// The child process.
|
|
Vector<CharString> cs;
|
|
cs.push_back(p_path.utf8());
|
|
for (int i = 0; i < p_arguments.size(); i++) {
|
|
cs.push_back(p_arguments[i].utf8());
|
|
}
|
|
|
|
Vector<char *> args;
|
|
for (int i = 0; i < cs.size(); i++) {
|
|
args.push_back((char *)cs[i].get_data());
|
|
}
|
|
args.push_back(0);
|
|
|
|
::close(STDIN_FILENO);
|
|
::dup2(pipe_in[0], STDIN_FILENO);
|
|
|
|
::close(STDOUT_FILENO);
|
|
::dup2(pipe_out[1], STDOUT_FILENO);
|
|
|
|
::close(STDERR_FILENO);
|
|
::dup2(pipe_err[1], STDERR_FILENO);
|
|
|
|
CLEAN_PIPES
|
|
|
|
execvp(p_path.utf8().get_data(), &args[0]);
|
|
// The execvp() function only returns if an error occurs.
|
|
ERR_PRINT("Could not create child process: " + p_path);
|
|
raise(SIGKILL);
|
|
}
|
|
::close(pipe_in[0]);
|
|
::close(pipe_out[1]);
|
|
::close(pipe_err[1]);
|
|
|
|
Ref<FileAccessUnixPipe> main_pipe;
|
|
main_pipe.instantiate();
|
|
main_pipe->open_existing(pipe_out[0], pipe_in[1]);
|
|
|
|
Ref<FileAccessUnixPipe> err_pipe;
|
|
err_pipe.instantiate();
|
|
err_pipe->open_existing(pipe_err[0], 0);
|
|
|
|
ProcessInfo pi;
|
|
process_map_mutex.lock();
|
|
process_map->insert(pid, pi);
|
|
process_map_mutex.unlock();
|
|
|
|
ret["stdio"] = main_pipe;
|
|
ret["stderr"] = err_pipe;
|
|
ret["pid"] = pid;
|
|
|
|
#undef CLEAN_PIPES
|
|
return ret;
|
|
#endif
|
|
}
|
|
|
|
Error OS_Unix::execute(const String &p_path, const List<String> &p_arguments, String *r_pipe, int *r_exitcode, bool read_stderr, Mutex *p_pipe_mutex, bool p_open_console) {
|
|
#ifdef __EMSCRIPTEN__
|
|
// Don't compile this code at all to avoid undefined references.
|
|
// Actual virtual call goes to OS_Web.
|
|
ERR_FAIL_V(ERR_BUG);
|
|
#else
|
|
if (r_pipe) {
|
|
String command = "\"" + p_path + "\"";
|
|
for (int i = 0; i < p_arguments.size(); i++) {
|
|
command += String(" \"") + p_arguments[i] + "\"";
|
|
}
|
|
if (read_stderr) {
|
|
command += " 2>&1"; // Include stderr
|
|
} else {
|
|
command += " 2>/dev/null"; // Silence stderr
|
|
}
|
|
|
|
FILE *f = popen(command.utf8().get_data(), "r");
|
|
ERR_FAIL_NULL_V_MSG(f, ERR_CANT_OPEN, "Cannot create pipe from command: " + command + ".");
|
|
char buf[65535];
|
|
while (fgets(buf, 65535, f)) {
|
|
if (p_pipe_mutex) {
|
|
p_pipe_mutex->lock();
|
|
}
|
|
String pipe_out;
|
|
if (pipe_out.parse_utf8(buf) == OK) {
|
|
(*r_pipe) += pipe_out;
|
|
} else {
|
|
(*r_pipe) += String(buf); // If not valid UTF-8 try decode as Latin-1
|
|
}
|
|
if (p_pipe_mutex) {
|
|
p_pipe_mutex->unlock();
|
|
}
|
|
}
|
|
int rv = pclose(f);
|
|
|
|
if (r_exitcode) {
|
|
*r_exitcode = WEXITSTATUS(rv);
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
pid_t pid = fork();
|
|
ERR_FAIL_COND_V(pid < 0, ERR_CANT_FORK);
|
|
|
|
if (pid == 0) {
|
|
// The child process
|
|
Vector<CharString> cs;
|
|
cs.push_back(p_path.utf8());
|
|
for (int i = 0; i < p_arguments.size(); i++) {
|
|
cs.push_back(p_arguments[i].utf8());
|
|
}
|
|
|
|
Vector<char *> args;
|
|
for (int i = 0; i < cs.size(); i++) {
|
|
args.push_back((char *)cs[i].get_data());
|
|
}
|
|
args.push_back(0);
|
|
|
|
execvp(p_path.utf8().get_data(), &args[0]);
|
|
// The execvp() function only returns if an error occurs.
|
|
ERR_PRINT("Could not create child process: " + p_path);
|
|
raise(SIGKILL);
|
|
}
|
|
|
|
int status;
|
|
waitpid(pid, &status, 0);
|
|
if (r_exitcode) {
|
|
*r_exitcode = WIFEXITED(status) ? WEXITSTATUS(status) : status;
|
|
}
|
|
return OK;
|
|
#endif
|
|
}
|
|
|
|
Error OS_Unix::create_process(const String &p_path, const List<String> &p_arguments, ProcessID *r_child_id, bool p_open_console) {
|
|
#ifdef __EMSCRIPTEN__
|
|
// Don't compile this code at all to avoid undefined references.
|
|
// Actual virtual call goes to OS_Web.
|
|
ERR_FAIL_V(ERR_BUG);
|
|
#else
|
|
pid_t pid = fork();
|
|
ERR_FAIL_COND_V(pid < 0, ERR_CANT_FORK);
|
|
|
|
if (pid == 0) {
|
|
// The new process
|
|
// Create a new session-ID so parent won't wait for it.
|
|
// This ensures the process won't go zombie at the end.
|
|
setsid();
|
|
|
|
Vector<CharString> cs;
|
|
cs.push_back(p_path.utf8());
|
|
for (int i = 0; i < p_arguments.size(); i++) {
|
|
cs.push_back(p_arguments[i].utf8());
|
|
}
|
|
|
|
Vector<char *> args;
|
|
for (int i = 0; i < cs.size(); i++) {
|
|
args.push_back((char *)cs[i].get_data());
|
|
}
|
|
args.push_back(0);
|
|
|
|
execvp(p_path.utf8().get_data(), &args[0]);
|
|
// The execvp() function only returns if an error occurs.
|
|
ERR_PRINT("Could not create child process: " + p_path);
|
|
raise(SIGKILL);
|
|
}
|
|
|
|
ProcessInfo pi;
|
|
process_map_mutex.lock();
|
|
process_map->insert(pid, pi);
|
|
process_map_mutex.unlock();
|
|
|
|
if (r_child_id) {
|
|
*r_child_id = pid;
|
|
}
|
|
return OK;
|
|
#endif
|
|
}
|
|
|
|
Error OS_Unix::kill(const ProcessID &p_pid) {
|
|
int ret = ::kill(p_pid, SIGKILL);
|
|
if (!ret) {
|
|
//avoid zombie process
|
|
int st;
|
|
::waitpid(p_pid, &st, 0);
|
|
}
|
|
return ret ? ERR_INVALID_PARAMETER : OK;
|
|
}
|
|
|
|
int OS_Unix::get_process_id() const {
|
|
return getpid();
|
|
}
|
|
|
|
bool OS_Unix::is_process_running(const ProcessID &p_pid) const {
|
|
MutexLock lock(process_map_mutex);
|
|
const ProcessInfo *pi = process_map->getptr(p_pid);
|
|
|
|
if (pi && !pi->is_running) {
|
|
return false;
|
|
}
|
|
|
|
int status = 0;
|
|
if (waitpid(p_pid, &status, WNOHANG) != 0) {
|
|
if (pi) {
|
|
pi->is_running = false;
|
|
pi->exit_code = status;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
int OS_Unix::get_process_exit_code(const ProcessID &p_pid) const {
|
|
MutexLock lock(process_map_mutex);
|
|
const ProcessInfo *pi = process_map->getptr(p_pid);
|
|
|
|
if (pi && !pi->is_running) {
|
|
return pi->exit_code;
|
|
}
|
|
|
|
int status = 0;
|
|
if (waitpid(p_pid, &status, WNOHANG) != 0) {
|
|
status = WIFEXITED(status) ? WEXITSTATUS(status) : status;
|
|
if (pi) {
|
|
pi->is_running = false;
|
|
pi->exit_code = status;
|
|
}
|
|
return status;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
String OS_Unix::get_locale() const {
|
|
if (!has_environment("LANG")) {
|
|
return "en";
|
|
}
|
|
|
|
String locale = get_environment("LANG");
|
|
int tp = locale.find(".");
|
|
if (tp != -1) {
|
|
locale = locale.substr(0, tp);
|
|
}
|
|
return locale;
|
|
}
|
|
|
|
Error OS_Unix::open_dynamic_library(const String &p_path, void *&p_library_handle, GDExtensionData *p_data) {
|
|
String path = p_path;
|
|
|
|
if (FileAccess::exists(path) && path.is_relative_path()) {
|
|
// dlopen expects a slash, in this case a leading ./ for it to be interpreted as a relative path,
|
|
// otherwise it will end up searching various system directories for the lib instead and finally failing.
|
|
path = "./" + path;
|
|
}
|
|
|
|
if (!FileAccess::exists(path)) {
|
|
// This code exists so GDExtension can load .so files from within the executable path.
|
|
path = get_executable_path().get_base_dir().path_join(p_path.get_file());
|
|
}
|
|
|
|
if (!FileAccess::exists(path)) {
|
|
// This code exists so GDExtension can load .so files from a standard unix location.
|
|
path = get_executable_path().get_base_dir().path_join("../lib").path_join(p_path.get_file());
|
|
}
|
|
|
|
ERR_FAIL_COND_V(!FileAccess::exists(path), ERR_FILE_NOT_FOUND);
|
|
|
|
p_library_handle = dlopen(path.utf8().get_data(), GODOT_DLOPEN_MODE);
|
|
ERR_FAIL_NULL_V_MSG(p_library_handle, ERR_CANT_OPEN, vformat("Can't open dynamic library: %s. Error: %s.", p_path, dlerror()));
|
|
|
|
if (p_data != nullptr && p_data->r_resolved_path != nullptr) {
|
|
*p_data->r_resolved_path = path;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
Error OS_Unix::close_dynamic_library(void *p_library_handle) {
|
|
if (dlclose(p_library_handle)) {
|
|
return FAILED;
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
Error OS_Unix::get_dynamic_library_symbol_handle(void *p_library_handle, const String &p_name, void *&p_symbol_handle, bool p_optional) {
|
|
const char *error;
|
|
dlerror(); // Clear existing errors
|
|
|
|
p_symbol_handle = dlsym(p_library_handle, p_name.utf8().get_data());
|
|
|
|
error = dlerror();
|
|
if (error != nullptr) {
|
|
ERR_FAIL_COND_V_MSG(!p_optional, ERR_CANT_RESOLVE, "Can't resolve symbol " + p_name + ". Error: " + error + ".");
|
|
|
|
return ERR_CANT_RESOLVE;
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
Error OS_Unix::set_cwd(const String &p_cwd) {
|
|
if (chdir(p_cwd.utf8().get_data()) != 0) {
|
|
return ERR_CANT_OPEN;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
bool OS_Unix::has_environment(const String &p_var) const {
|
|
return getenv(p_var.utf8().get_data()) != nullptr;
|
|
}
|
|
|
|
String OS_Unix::get_environment(const String &p_var) const {
|
|
const char *val = getenv(p_var.utf8().get_data());
|
|
if (val == nullptr) { // Not set; return empty string
|
|
return "";
|
|
}
|
|
String s;
|
|
if (s.parse_utf8(val) == OK) {
|
|
return s;
|
|
}
|
|
return String(val); // Not valid UTF-8, so return as-is
|
|
}
|
|
|
|
void OS_Unix::set_environment(const String &p_var, const String &p_value) const {
|
|
ERR_FAIL_COND_MSG(p_var.is_empty() || p_var.contains("="), vformat("Invalid environment variable name '%s', cannot be empty or include '='.", p_var));
|
|
int err = setenv(p_var.utf8().get_data(), p_value.utf8().get_data(), /* overwrite: */ 1);
|
|
ERR_FAIL_COND_MSG(err != 0, vformat("Failed setting environment variable '%s', the system is out of memory.", p_var));
|
|
}
|
|
|
|
void OS_Unix::unset_environment(const String &p_var) const {
|
|
ERR_FAIL_COND_MSG(p_var.is_empty() || p_var.contains("="), vformat("Invalid environment variable name '%s', cannot be empty or include '='.", p_var));
|
|
unsetenv(p_var.utf8().get_data());
|
|
}
|
|
|
|
String OS_Unix::get_user_data_dir() const {
|
|
String appname = get_safe_dir_name(GLOBAL_GET("application/config/name"));
|
|
if (!appname.is_empty()) {
|
|
bool use_custom_dir = GLOBAL_GET("application/config/use_custom_user_dir");
|
|
if (use_custom_dir) {
|
|
String custom_dir = get_safe_dir_name(GLOBAL_GET("application/config/custom_user_dir_name"), true);
|
|
if (custom_dir.is_empty()) {
|
|
custom_dir = appname;
|
|
}
|
|
return get_data_path().path_join(custom_dir);
|
|
} else {
|
|
return get_data_path().path_join(get_godot_dir_name()).path_join("app_userdata").path_join(appname);
|
|
}
|
|
}
|
|
|
|
return get_data_path().path_join(get_godot_dir_name()).path_join("app_userdata").path_join("[unnamed project]");
|
|
}
|
|
|
|
String OS_Unix::get_executable_path() const {
|
|
#ifdef __linux__
|
|
//fix for running from a symlink
|
|
char buf[256];
|
|
memset(buf, 0, 256);
|
|
ssize_t len = readlink("/proc/self/exe", buf, sizeof(buf));
|
|
String b;
|
|
if (len > 0) {
|
|
b.parse_utf8(buf, len);
|
|
}
|
|
if (b.is_empty()) {
|
|
WARN_PRINT("Couldn't get executable path from /proc/self/exe, using argv[0]");
|
|
return OS::get_executable_path();
|
|
}
|
|
return b;
|
|
#elif defined(__OpenBSD__)
|
|
char resolved_path[MAXPATHLEN];
|
|
|
|
realpath(OS::get_executable_path().utf8().get_data(), resolved_path);
|
|
|
|
return String(resolved_path);
|
|
#elif defined(__NetBSD__)
|
|
int mib[4] = { CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME };
|
|
char buf[MAXPATHLEN];
|
|
size_t len = sizeof(buf);
|
|
if (sysctl(mib, 4, buf, &len, nullptr, 0) != 0) {
|
|
WARN_PRINT("Couldn't get executable path from sysctl");
|
|
return OS::get_executable_path();
|
|
}
|
|
|
|
// NetBSD does not always return a normalized path. For example if argv[0] is "./a.out" then executable path is "/home/netbsd/./a.out". Normalize with realpath:
|
|
char resolved_path[MAXPATHLEN];
|
|
|
|
realpath(buf, resolved_path);
|
|
|
|
return String(resolved_path);
|
|
#elif defined(__FreeBSD__)
|
|
int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
|
|
char buf[MAXPATHLEN];
|
|
size_t len = sizeof(buf);
|
|
if (sysctl(mib, 4, buf, &len, nullptr, 0) != 0) {
|
|
WARN_PRINT("Couldn't get executable path from sysctl");
|
|
return OS::get_executable_path();
|
|
}
|
|
String b;
|
|
b.parse_utf8(buf);
|
|
return b;
|
|
#elif defined(__APPLE__)
|
|
char temp_path[1];
|
|
uint32_t buff_size = 1;
|
|
_NSGetExecutablePath(temp_path, &buff_size);
|
|
|
|
char *resolved_path = new char[buff_size + 1];
|
|
|
|
if (_NSGetExecutablePath(resolved_path, &buff_size) == 1) {
|
|
WARN_PRINT("MAXPATHLEN is too small");
|
|
}
|
|
|
|
String path = String::utf8(resolved_path);
|
|
delete[] resolved_path;
|
|
|
|
return path;
|
|
#else
|
|
ERR_PRINT("Warning, don't know how to obtain executable path on this OS! Please override this function properly.");
|
|
return OS::get_executable_path();
|
|
#endif
|
|
}
|
|
|
|
void UnixTerminalLogger::log_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, bool p_editor_notify, ErrorType p_type) {
|
|
if (!should_log(true)) {
|
|
return;
|
|
}
|
|
|
|
const char *err_details;
|
|
if (p_rationale && p_rationale[0]) {
|
|
err_details = p_rationale;
|
|
} else {
|
|
err_details = p_code;
|
|
}
|
|
|
|
// Disable color codes if stdout is not a TTY.
|
|
// This prevents Godot from writing ANSI escape codes when redirecting
|
|
// stdout and stderr to a file.
|
|
const bool tty = isatty(fileno(stdout));
|
|
const char *gray = tty ? "\E[0;90m" : "";
|
|
const char *red = tty ? "\E[0;91m" : "";
|
|
const char *red_bold = tty ? "\E[1;31m" : "";
|
|
const char *yellow = tty ? "\E[0;93m" : "";
|
|
const char *yellow_bold = tty ? "\E[1;33m" : "";
|
|
const char *magenta = tty ? "\E[0;95m" : "";
|
|
const char *magenta_bold = tty ? "\E[1;35m" : "";
|
|
const char *cyan = tty ? "\E[0;96m" : "";
|
|
const char *cyan_bold = tty ? "\E[1;36m" : "";
|
|
const char *reset = tty ? "\E[0m" : "";
|
|
|
|
switch (p_type) {
|
|
case ERR_WARNING:
|
|
logf_error("%sWARNING:%s %s\n", yellow_bold, yellow, err_details);
|
|
logf_error("%s at: %s (%s:%i)%s\n", gray, p_function, p_file, p_line, reset);
|
|
break;
|
|
case ERR_SCRIPT:
|
|
logf_error("%sSCRIPT ERROR:%s %s\n", magenta_bold, magenta, err_details);
|
|
logf_error("%s at: %s (%s:%i)%s\n", gray, p_function, p_file, p_line, reset);
|
|
break;
|
|
case ERR_SHADER:
|
|
logf_error("%sSHADER ERROR:%s %s\n", cyan_bold, cyan, err_details);
|
|
logf_error("%s at: %s (%s:%i)%s\n", gray, p_function, p_file, p_line, reset);
|
|
break;
|
|
case ERR_ERROR:
|
|
default:
|
|
logf_error("%sERROR:%s %s\n", red_bold, red, err_details);
|
|
logf_error("%s at: %s (%s:%i)%s\n", gray, p_function, p_file, p_line, reset);
|
|
break;
|
|
}
|
|
}
|
|
|
|
UnixTerminalLogger::~UnixTerminalLogger() {}
|
|
|
|
OS_Unix::OS_Unix() {
|
|
Vector<Logger *> loggers;
|
|
loggers.push_back(memnew(UnixTerminalLogger));
|
|
_set_logger(memnew(CompositeLogger(loggers)));
|
|
}
|
|
|
|
#endif
|