/* Minetest Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ /* Random portability stuff See comments in porting.h */ #include "porting.h" #if defined(__FreeBSD__) #include <sys/types.h> #include <sys/sysctl.h> #elif defined(_WIN32) #include <algorithm> #endif #if !defined(_WIN32) #include <unistd.h> #include <sys/utsname.h> #endif #if !defined(_WIN32) && !defined(__APPLE__) && \ !defined(__ANDROID__) && !defined(SERVER) #define XORG_USED #endif #ifdef XORG_USED #include <X11/Xlib.h> #include <X11/Xutil.h> #endif #include "config.h" #include "debug.h" #include "filesys.h" #include "log.h" #include "util/string.h" #include "main.h" #include "settings.h" #include <list> namespace porting { /* Signal handler (grabs Ctrl-C on POSIX systems) */ bool g_killed = false; bool * signal_handler_killstatus(void) { return &g_killed; } #if !defined(_WIN32) // POSIX #include <signal.h> void sigint_handler(int sig) { if(g_killed == false) { dstream<<DTIME<<"INFO: sigint_handler(): " <<"Ctrl-C pressed, shutting down."<<std::endl; // Comment out for less clutter when testing scripts /*dstream<<DTIME<<"INFO: sigint_handler(): " <<"Printing debug stacks"<<std::endl; debug_stacks_print();*/ g_killed = true; } else { (void)signal(SIGINT, SIG_DFL); } } void signal_handler_init(void) { (void)signal(SIGINT, sigint_handler); } #else // _WIN32 #include <signal.h> BOOL WINAPI event_handler(DWORD sig) { switch(sig) { case CTRL_C_EVENT: case CTRL_CLOSE_EVENT: case CTRL_LOGOFF_EVENT: case CTRL_SHUTDOWN_EVENT: if(g_killed == false) { dstream<<DTIME<<"INFO: event_handler(): " <<"Ctrl+C, Close Event, Logoff Event or Shutdown Event, shutting down."<<std::endl; // Comment out for less clutter when testing scripts /*dstream<<DTIME<<"INFO: event_handler(): " <<"Printing debug stacks"<<std::endl; debug_stacks_print();*/ g_killed = true; } else { (void)signal(SIGINT, SIG_DFL); } break; case CTRL_BREAK_EVENT: break; } return TRUE; } void signal_handler_init(void) { SetConsoleCtrlHandler( (PHANDLER_ROUTINE)event_handler,TRUE); } #endif /* Multithreading support */ int getNumberOfProcessors() { #if defined(_SC_NPROCESSORS_ONLN) return sysconf(_SC_NPROCESSORS_ONLN); #elif defined(__FreeBSD__) || defined(__APPLE__) unsigned int len, count; len = sizeof(count); return sysctlbyname("hw.ncpu", &count, &len, NULL, 0); #elif defined(_GNU_SOURCE) return get_nprocs(); #elif defined(_WIN32) SYSTEM_INFO sysinfo; GetSystemInfo(&sysinfo); return sysinfo.dwNumberOfProcessors; #elif defined(PTW32_VERSION) || defined(__hpux) return pthread_num_processors_np(); #else return 1; #endif } #ifndef __ANDROID__ bool threadBindToProcessor(threadid_t tid, int pnumber) { #if defined(_WIN32) HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, 0, tid); if (!hThread) return false; bool success = SetThreadAffinityMask(hThread, 1 << pnumber) != 0; CloseHandle(hThread); return success; #elif (defined(__FreeBSD__) && (__FreeBSD_version >= 702106)) \ || defined(__linux) || defined(linux) cpu_set_t cpuset; CPU_ZERO(&cpuset); CPU_SET(pnumber, &cpuset); return pthread_setaffinity_np(tid, sizeof(cpuset), &cpuset) == 0; #elif defined(__sun) || defined(sun) return processor_bind(P_LWPID, MAKE_LWPID_PTHREAD(tid), pnumber, NULL) == 0; #elif defined(_AIX) return bindprocessor(BINDTHREAD, (tid_t)tid, pnumber) == 0; #elif defined(__hpux) || defined(hpux) pthread_spu_t answer; return pthread_processor_bind_np(PTHREAD_BIND_ADVISORY_NP, &answer, pnumber, tid) == 0; #elif defined(__APPLE__) struct thread_affinity_policy tapol; thread_port_t threadport = pthread_mach_thread_np(tid); tapol.affinity_tag = pnumber + 1; return thread_policy_set(threadport, THREAD_AFFINITY_POLICY, (thread_policy_t)&tapol, THREAD_AFFINITY_POLICY_COUNT) == KERN_SUCCESS; #else return false; #endif } #endif bool threadSetPriority(threadid_t tid, int prio) { #if defined(_WIN32) HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, 0, tid); if (!hThread) return false; bool success = SetThreadPriority(hThread, prio) != 0; CloseHandle(hThread); return success; #else struct sched_param sparam; int policy; if (pthread_getschedparam(tid, &policy, &sparam) != 0) return false; int min = sched_get_priority_min(policy); int max = sched_get_priority_max(policy); sparam.sched_priority = min + prio * (max - min) / THREAD_PRIORITY_HIGHEST; return pthread_setschedparam(tid, policy, &sparam) == 0; #endif } /* Path mangler */ // Default to RUN_IN_PLACE style relative paths std::string path_share = ".."; std::string path_user = ".."; std::string getDataPath(const char *subpath) { return path_share + DIR_DELIM + subpath; } void pathRemoveFile(char *path, char delim) { // Remove filename and path delimiter int i; for(i = strlen(path)-1; i>=0; i--) { if(path[i] == delim) break; } path[i] = 0; } bool detectMSVCBuildDir(char *c_path) { std::string path(c_path); const char *ends[] = {"bin\\Release", "bin\\Build", NULL}; return (removeStringEnd(path, ends) != ""); } std::string get_sysinfo() { #ifdef _WIN32 OSVERSIONINFO osvi; std::ostringstream oss; std::string tmp; ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&osvi); tmp = osvi.szCSDVersion; std::replace(tmp.begin(), tmp.end(), ' ', '_'); oss << "Windows/" << osvi.dwMajorVersion << "." << osvi.dwMinorVersion; if(osvi.szCSDVersion[0]) oss << "-" << tmp; oss << " "; #ifdef _WIN64 oss << "x86_64"; #else BOOL is64 = FALSE; if(IsWow64Process(GetCurrentProcess(), &is64) && is64) oss << "x86_64"; // 32-bit app on 64-bit OS else oss << "x86"; #endif return oss.str(); #else struct utsname osinfo; uname(&osinfo); return std::string(osinfo.sysname) + "/" + osinfo.release + " " + osinfo.machine; #endif } void initializePaths() { #if RUN_IN_PLACE /* Use relative paths if RUN_IN_PLACE */ infostream<<"Using relative paths (RUN_IN_PLACE)"<<std::endl; /* Windows */ #if defined(_WIN32) const DWORD buflen = 1000; char buf[buflen]; DWORD len; // Find path of executable and set path_share relative to it len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen); assert(len < buflen); pathRemoveFile(buf, '\\'); if(detectMSVCBuildDir(buf)){ infostream<<"MSVC build directory detected"<<std::endl; path_share = std::string(buf) + "\\..\\.."; path_user = std::string(buf) + "\\..\\.."; } else{ path_share = std::string(buf) + "\\.."; path_user = std::string(buf) + "\\.."; } /* Linux */ #elif defined(linux) char buf[BUFSIZ]; memset(buf, 0, BUFSIZ); // Get path to executable assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1); pathRemoveFile(buf, '/'); path_share = std::string(buf) + "/.."; path_user = std::string(buf) + "/.."; /* OS X */ #elif defined(__APPLE__) //https://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/dyld.3.html //TODO: Test this code char buf[BUFSIZ]; uint32_t len = sizeof(buf); assert(_NSGetExecutablePath(buf, &len) != -1); pathRemoveFile(buf, '/'); path_share = std::string(buf) + "/.."; path_user = std::string(buf) + "/.."; /* FreeBSD */ #elif defined(__FreeBSD__) int mib[4]; char buf[BUFSIZ]; size_t len = sizeof(buf); mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_PATHNAME; mib[3] = -1; assert(sysctl(mib, 4, buf, &len, NULL, 0) != -1); pathRemoveFile(buf, '/'); path_share = std::string(buf) + "/.."; path_user = std::string(buf) + "/.."; #else //TODO: Get path of executable. This assumes working directory is bin/ dstream<<"WARNING: Relative path not properly supported on this platform" <<std::endl; /* scriptapi no longer allows paths that start with "..", so assuming that the current working directory is bin/, strip off the last component. */ char *cwd = getcwd(NULL, 0); pathRemoveFile(cwd, '/'); path_share = std::string(cwd); path_user = std::string(cwd); #endif #else // RUN_IN_PLACE /* Use platform-specific paths otherwise */ infostream<<"Using system-wide paths (NOT RUN_IN_PLACE)"<<std::endl; /* Windows */ #if defined(_WIN32) const DWORD buflen = 1000; char buf[buflen]; DWORD len; // Find path of executable and set path_share relative to it len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen); assert(len < buflen); pathRemoveFile(buf, '\\'); // Use ".\bin\.." path_share = std::string(buf) + "\\.."; // Use "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>" len = GetEnvironmentVariable("APPDATA", buf, buflen); assert(len < buflen); path_user = std::string(buf) + DIR_DELIM + PROJECT_NAME; /* Linux */ #elif defined(linux) // Get path to executable std::string bindir = ""; { char buf[BUFSIZ]; memset(buf, 0, BUFSIZ); if (readlink("/proc/self/exe", buf, BUFSIZ-1) == -1) { errorstream << "Unable to read bindir "<< std::endl; #ifndef __ANDROID__ assert("Unable to read bindir" == 0); #endif } else { pathRemoveFile(buf, '/'); bindir = buf; } } // Find share directory from these. // It is identified by containing the subdirectory "builtin". std::list<std::string> trylist; std::string static_sharedir = STATIC_SHAREDIR; if(static_sharedir != "" && static_sharedir != ".") trylist.push_back(static_sharedir); trylist.push_back( bindir + DIR_DELIM + ".." + DIR_DELIM + "share" + DIR_DELIM + PROJECT_NAME); trylist.push_back(bindir + DIR_DELIM + ".."); #ifdef __ANDROID__ trylist.push_back(path_user); #endif for(std::list<std::string>::const_iterator i = trylist.begin(); i != trylist.end(); i++) { const std::string &trypath = *i; if(!fs::PathExists(trypath) || !fs::PathExists(trypath + DIR_DELIM + "builtin")){ dstream<<"WARNING: system-wide share not found at \"" <<trypath<<"\""<<std::endl; continue; } // Warn if was not the first alternative if(i != trylist.begin()){ dstream<<"WARNING: system-wide share found at \"" <<trypath<<"\""<<std::endl; } path_share = trypath; break; } #ifndef __ANDROID__ path_user = std::string(getenv("HOME")) + DIR_DELIM + "." + PROJECT_NAME; #endif /* OS X */ #elif defined(__APPLE__) // Code based on // http://stackoverflow.com/questions/516200/relative-paths-not-working-in-xcode-c CFBundleRef main_bundle = CFBundleGetMainBundle(); CFURLRef resources_url = CFBundleCopyResourcesDirectoryURL(main_bundle); char path[PATH_MAX]; if(CFURLGetFileSystemRepresentation(resources_url, TRUE, (UInt8 *)path, PATH_MAX)) { dstream<<"Bundle resource path: "<<path<<std::endl; //chdir(path); path_share = std::string(path) + DIR_DELIM + STATIC_SHAREDIR; } else { // error! dstream<<"WARNING: Could not determine bundle resource path"<<std::endl; } CFRelease(resources_url); path_user = std::string(getenv("HOME")) + "/Library/Application Support/" + PROJECT_NAME; #else // FreeBSD, and probably many other POSIX-like systems. path_share = STATIC_SHAREDIR; path_user = std::string(getenv("HOME")) + DIR_DELIM + "." + PROJECT_NAME; #endif #endif // RUN_IN_PLACE } static irr::IrrlichtDevice* device; void initIrrlicht(irr::IrrlichtDevice * _device) { device = _device; } void setXorgClassHint(const video::SExposedVideoData &video_data, const std::string &name) { #ifdef XORG_USED XClassHint *classhint = XAllocClassHint(); classhint->res_name = (char *)name.c_str(); classhint->res_class = (char *)name.c_str(); XSetClassHint((Display *)video_data.OpenGLLinux.X11Display, video_data.OpenGLLinux.X11Window, classhint); XFree(classhint); #endif } #ifndef SERVER v2u32 getWindowSize() { return device->getVideoDriver()->getScreenSize(); } #ifndef __ANDROID__ float getDisplayDensity() { return g_settings->getFloat("screen_dpi")/96.0; } v2u32 getDisplaySize() { IrrlichtDevice *nulldevice = createDevice(video::EDT_NULL); core::dimension2d<u32> deskres = nulldevice->getVideoModeList()->getDesktopResolution(); nulldevice -> drop(); return deskres; } #endif #endif } //namespace porting