diff options
Diffstat (limited to 'drivers/unix/os_unix.cpp')
-rw-r--r-- | drivers/unix/os_unix.cpp | 265 |
1 files changed, 163 insertions, 102 deletions
diff --git a/drivers/unix/os_unix.cpp b/drivers/unix/os_unix.cpp index 96c338f86b..161706489f 100644 --- a/drivers/unix/os_unix.cpp +++ b/drivers/unix/os_unix.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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 */ @@ -32,14 +32,12 @@ #ifdef UNIX_ENABLED +#include "core/config/project_settings.h" #include "core/debugger/engine_debugger.h" #include "core/debugger/script_debugger.h" -#include "core/os/thread_dummy.h" -#include "core/project_settings.h" #include "drivers/unix/dir_access_unix.h" #include "drivers/unix/file_access_unix.h" #include "drivers/unix/net_socket_posix.h" -#include "drivers/unix/rw_lock_posix.h" #include "drivers/unix/thread_posix.h" #include "servers/rendering_server.h" @@ -53,7 +51,6 @@ #include <sys/sysctl.h> #endif -#include <assert.h> #include <dlfcn.h> #include <errno.h> #include <poll.h> @@ -64,8 +61,24 @@ #include <string.h> #include <sys/time.h> #include <sys/wait.h> +#include <time.h> #include <unistd.h> +#if defined(MACOS_ENABLED) || (defined(__ANDROID_API__) && __ANDROID_API__ >= 28) +// Random location for getentropy. Fitting. +#include <sys/random.h> +#define UNIX_GET_ENTROPY +#elif defined(__FreeBSD__) || defined(__OpenBSD__) || (defined(__GLIBC_MINOR__) && (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 26)) +// In <unistd.h>. +// One day... (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 700) +// https://publications.opengroup.org/standards/unix/c211 +#define UNIX_GET_ENTROPY +#endif + +#if !defined(UNIX_GET_ENTROPY) && !defined(NO_URANDOM) +#include <fcntl.h> +#endif + /// Clock Setup function (used by get_ticks_usec) static uint64_t _clock_start = 0; #if defined(__APPLE__) @@ -78,7 +91,7 @@ static void _setup_clock() { _clock_start = mach_absolute_time() * _clock_scale; } #else -#if defined(CLOCK_MONOTONIC_RAW) && !defined(JAVASCRIPT_ENABLED) // This is a better clock on Linux. +#if defined(CLOCK_MONOTONIC_RAW) && !defined(WEB_ENABLED) // This is a better clock on Linux. #define GODOT_CLOCK CLOCK_MONOTONIC_RAW #else #define GODOT_CLOCK CLOCK_MONOTONIC @@ -90,10 +103,6 @@ static void _setup_clock() { } #endif -void OS_Unix::debug_break() { - assert(false); -}; - static void handle_interrupt(int sig) { if (!EngineDebugger::is_active()) { return; @@ -117,25 +126,17 @@ int OS_Unix::unix_initialize_audio(int p_audio_driver) { } void OS_Unix::initialize_core() { -#ifdef NO_THREADS - ThreadDummy::make_default(); - RWLockDummy::make_default(); -#else - ThreadPosix::make_default(); - RWLockPosix::make_default(); -#endif + init_thread_posix(); + FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_RESOURCES); FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_USERDATA); FileAccess::make_default<FileAccessUnix>(FileAccess::ACCESS_FILESYSTEM); - //FileAccessBufferedFA<FileAccessUnix>::make_default(); DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_RESOURCES); DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_USERDATA); DirAccess::make_default<DirAccessUnix>(DirAccess::ACCESS_FILESYSTEM); -#ifndef NO_NETWORK NetSocketPosix::make_default(); - IP_Unix::make_default(); -#endif + IPUnix::make_default(); _setup_clock(); } @@ -144,8 +145,8 @@ void OS_Unix::finalize_core() { NetSocketPosix::cleanup(); } -void OS_Unix::alert(const String &p_alert, const String &p_title) { - fprintf(stderr, "ERROR: %s\n", p_alert.utf8().get_data()); +Vector<String> OS_Unix::get_video_adapter_driver_info() const { + return Vector<String>(); } String OS_Unix::get_stdin_string(bool p_block) { @@ -159,25 +160,59 @@ String OS_Unix::get_stdin_string(bool p_block) { return ""; } +Error OS_Unix::get_entropy(uint8_t *r_buffer, int p_bytes) { +#if defined(UNIX_GET_ENTROPY) + int left = p_bytes; + int ofs = 0; + do { + int chunk = MIN(left, 256); + ERR_FAIL_COND_V(getentropy(r_buffer + ofs, chunk), FAILED); + left -= chunk; + ofs += chunk; + } while (left > 0); +// Define this yourself if you don't want to fall back to /dev/urandom. +#elif !defined(NO_URANDOM) + int r = open("/dev/urandom", O_RDONLY); + ERR_FAIL_COND_V(r < 0, FAILED); + int left = p_bytes; + do { + ssize_t ret = read(r, r_buffer, p_bytes); + ERR_FAIL_COND_V(ret <= 0, FAILED); + left -= ret; + } while (left > 0); +#else + return ERR_UNAVAILABLE; +#endif + return OK; +} + String OS_Unix::get_name() const { return "Unix"; } +String OS_Unix::get_distribution_name() const { + return ""; +} + +String OS_Unix::get_version() const { + return ""; +} + double OS_Unix::get_unix_time() const { struct timeval tv_now; gettimeofday(&tv_now, nullptr); return (double)tv_now.tv_sec + double(tv_now.tv_usec) / 1000000; -}; +} -OS::Date OS_Unix::get_date(bool utc) const { +OS::DateTime OS_Unix::get_datetime(bool p_utc) const { time_t t = time(nullptr); struct tm lt; - if (utc) { + if (p_utc) { gmtime_r(&t, <); } else { localtime_r(&t, <); } - Date ret; + DateTime ret; ret.year = 1900 + lt.tm_year; // Index starting at 1 to match OS_Unix::get_date // and Windows SYSTEMTIME and tm_mon follows the typical structure @@ -185,27 +220,14 @@ OS::Date OS_Unix::get_date(bool utc) const { ret.month = (Month)(lt.tm_mon + 1); ret.day = lt.tm_mday; ret.weekday = (Weekday)lt.tm_wday; + ret.hour = lt.tm_hour; + ret.minute = lt.tm_min; + ret.second = lt.tm_sec; ret.dst = lt.tm_isdst; return ret; } -OS::Time OS_Unix::get_time(bool utc) const { - time_t t = time(nullptr); - struct tm lt; - if (utc) { - gmtime_r(&t, <); - } else { - localtime_r(&t, <); - } - Time ret; - ret.hour = lt.tm_hour; - ret.min = lt.tm_min; - ret.sec = lt.tm_sec; - get_time_zone_info(); - return ret; -} - OS::TimeZoneInfo OS_Unix::get_time_zone_info() const { time_t t = time(nullptr); struct tm lt; @@ -235,8 +257,11 @@ OS::TimeZoneInfo OS_Unix::get_time_zone_info() const { } void OS_Unix::delay_usec(uint32_t p_usec) const { - struct timespec rem = { static_cast<time_t>(p_usec / 1000000), (static_cast<long>(p_usec) % 1000000) * 1000 }; - while (nanosleep(&rem, &rem) == EINTR) { + struct timespec requested = { static_cast<time_t>(p_usec / 1000000), (static_cast<long>(p_usec) % 1000000) * 1000 }; + struct timespec remaining; + while (nanosleep(&requested, &remaining) == -1 && errno == EINTR) { + requested.tv_sec = remaining.tv_sec; + requested.tv_nsec = remaining.tv_nsec; } } @@ -255,45 +280,45 @@ uint64_t OS_Unix::get_ticks_usec() const { return longtime; } -Error OS_Unix::execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id, String *r_pipe, int *r_exitcode, bool read_stderr, Mutex *p_pipe_mutex) { +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_JavaScript. + // Actual virtual call goes to OS_Web. ERR_FAIL_V(ERR_BUG); #else - if (p_blocking && r_pipe) { - String argss; - argss = "\"" + p_path + "\""; - + if (r_pipe) { + String command = "\"" + p_path + "\""; for (int i = 0; i < p_arguments.size(); i++) { - argss += String(" \"") + p_arguments[i] + "\""; + command += String(" \"") + p_arguments[i] + "\""; } - if (read_stderr) { - argss += " 2>&1"; // Read stderr too + command += " 2>&1"; // Include stderr } else { - argss += " 2>/dev/null"; //silence stderr + command += " 2>/dev/null"; // Silence stderr } - FILE *f = popen(argss.utf8().get_data(), "r"); - - ERR_FAIL_COND_V_MSG(!f, ERR_CANT_OPEN, "Cannot pipe stream from process running with following arguments '" + argss + "'."); + FILE *f = popen(command.utf8().get_data(), "r"); + ERR_FAIL_COND_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(); } - (*r_pipe) += String::utf8(buf); + 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; } @@ -301,14 +326,7 @@ Error OS_Unix::execute(const String &p_path, const List<String> &p_arguments, bo ERR_FAIL_COND_V(pid < 0, ERR_CANT_FORK); if (pid == 0) { - // is child - - if (!p_blocking) { - // For non blocking calls, create a new session-ID so parent won't wait for it. - // This ensures the process won't go zombie at end. - setsid(); - } - + // The child process Vector<CharString> cs; cs.push_back(p_path.utf8()); for (int i = 0; i < p_arguments.size(); i++) { @@ -322,24 +340,56 @@ Error OS_Unix::execute(const String &p_path, const List<String> &p_arguments, bo args.push_back(0); execvp(p_path.utf8().get_data(), &args[0]); - // still alive? something failed.. - fprintf(stderr, "**ERROR** OS_Unix::execute - Could not create child process while executing: %s\n", p_path.utf8().get_data()); + // The execvp() function only returns if an error occurs. + ERR_PRINT("Could not create child process: " + p_path); raise(SIGKILL); } - if (p_blocking) { - int status; - waitpid(pid, &status, 0); - if (r_exitcode) { - *r_exitcode = WEXITSTATUS(status); + 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()); } - } else { - if (r_child_id) { - *r_child_id = pid; + 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); } + if (r_child_id) { + *r_child_id = pid; + } return OK; #endif } @@ -356,7 +406,16 @@ Error OS_Unix::kill(const ProcessID &p_pid) { int OS_Unix::get_process_id() const { return getpid(); -}; +} + +bool OS_Unix::is_process_running(const ProcessID &p_pid) const { + int status = 0; + if (waitpid(p_pid, &status, WNOHANG) != 0) { + return false; + } + + return true; +} bool OS_Unix::has_environment(const String &p_var) const { return getenv(p_var.utf8().get_data()) != nullptr; @@ -375,27 +434,32 @@ String OS_Unix::get_locale() const { return locale; } -Error OS_Unix::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path) { +Error OS_Unix::open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path, String *r_resolved_path) { String path = p_path; - if (FileAccess::exists(path) && path.is_rel_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 gdnative can load .so files from within the executable path - path = get_executable_path().get_base_dir().plus_file(p_path.get_file()); + // 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 gdnative can load .so files from a standard unix location - path = get_executable_path().get_base_dir().plus_file("../lib").plus_file(p_path.get_file()); + // 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()); } p_library_handle = dlopen(path.utf8().get_data(), RTLD_NOW); ERR_FAIL_COND_V_MSG(!p_library_handle, ERR_CANT_OPEN, "Can't open dynamic library: " + p_path + ". Error: " + dlerror()); + + if (r_resolved_path != nullptr) { + *r_resolved_path = path; + } + return OK; } @@ -440,26 +504,22 @@ bool OS_Unix::set_environment(const String &p_var, const String &p_value) const return setenv(p_var.utf8().get_data(), p_value.utf8().get_data(), /* overwrite: */ true) == 0; } -int OS_Unix::get_processor_count() const { - return sysconf(_SC_NPROCESSORS_CONF); -} - String OS_Unix::get_user_data_dir() const { - String appname = get_safe_dir_name(ProjectSettings::get_singleton()->get("application/config/name")); - if (appname != "") { - bool use_custom_dir = ProjectSettings::get_singleton()->get("application/config/use_custom_user_dir"); + 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(ProjectSettings::get_singleton()->get("application/config/custom_user_dir_name"), true); - if (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().plus_file(custom_dir); + return get_data_path().path_join(custom_dir); } else { - return get_data_path().plus_file(get_godot_dir_name()).plus_file("app_userdata").plus_file(appname); + return get_data_path().path_join(get_godot_dir_name()).path_join("app_userdata").path_join(appname); } } - return ProjectSettings::get_singleton()->get_resource_path(); + 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 { @@ -472,7 +532,7 @@ String OS_Unix::get_executable_path() const { if (len > 0) { b.parse_utf8(buf, len); } - if (b == "") { + if (b.is_empty()) { WARN_PRINT("Couldn't get executable path from /proc/self/exe, using argv[0]"); return OS::get_executable_path(); } @@ -501,8 +561,9 @@ String OS_Unix::get_executable_path() const { char *resolved_path = new char[buff_size + 1]; - if (_NSGetExecutablePath(resolved_path, &buff_size) == 1) + if (_NSGetExecutablePath(resolved_path, &buff_size) == 1) { WARN_PRINT("MAXPATHLEN is too small"); + } String path(resolved_path); delete[] resolved_path; @@ -514,7 +575,7 @@ String OS_Unix::get_executable_path() const { #endif } -void UnixTerminalLogger::log_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, ErrorType p_type) { +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; } |