Random portability stuff
*/
-#ifndef PORTING_HEADER
-#define PORTING_HEADER
+#pragma once
#ifdef _WIN32
#ifdef _WIN32_WINNT
#include "debug.h"
#include "constants.h"
#include "gettime.h"
-#include "threads.h"
#ifdef _MSC_VER
#define SWPRINTF_CHARSTRING L"%S"
#define sleep_ms(x) Sleep(x)
#else
#include <unistd.h>
- #include <stdint.h> //for uintptr_t
+ #include <cstdint> //for uintptr_t
- #if (defined(linux) || defined(__linux)) && !defined(_GNU_SOURCE)
- #define _GNU_SOURCE
+ // Use standard Posix macro for Linux
+ #if (defined(linux) || defined(__linux)) && !defined(__linux__)
+ #define __linux__
#endif
-
- #include <sched.h>
-
- #ifdef __FreeBSD__
- #include <pthread_np.h>
- typedef cpuset_t cpu_set_t;
- #elif defined(__sun) || defined(sun)
- #include <sys/types.h>
- #include <sys/processor.h>
- #elif defined(_AIX)
- #include <sys/processor.h>
- #elif __APPLE__
- #include <mach/mach_init.h>
- #include <mach/thread_policy.h>
+ #if (defined(__linux__) || defined(__GNU__)) && !defined(_GNU_SOURCE)
+ #define _GNU_SOURCE
#endif
#define sleep_ms(x) usleep(x*1000)
-
- #define THREAD_PRIORITY_LOWEST 0
- #define THREAD_PRIORITY_BELOW_NORMAL 1
- #define THREAD_PRIORITY_NORMAL 2
- #define THREAD_PRIORITY_ABOVE_NORMAL 3
- #define THREAD_PRIORITY_HIGHEST 4
#endif
#ifdef _MSC_VER
#include <CoreFoundation/CoreFoundation.h>
#endif
+#ifndef _WIN32 // Posix
+ #include <sys/time.h>
+ #include <ctime>
+
+#if defined(__MACH__) && defined(__APPLE__)
+ #include <mach/clock.h>
+ #include <mach/mach.h>
+ #endif
+#endif
+
namespace porting
{
Signal handler (grabs Ctrl-C on POSIX systems)
*/
-void signal_handler_init(void);
+void signal_handler_init();
// Returns a pointer to a bool.
// When the bool is true, program should quit.
-bool * signal_handler_killstatus(void);
+bool * signal_handler_killstatus();
/*
Path of static data directory.
extern std::string path_user;
/*
- Get full path of stuff in data directory.
- Example: "stone.png" -> "../data/stone.png"
+ Path to gettext locale files
*/
-std::string getDataPath(const char *subpath);
+extern std::string path_locale;
/*
- Initialize path_share and path_user.
+ Path to directory for storing caches.
*/
-void initializePaths();
+extern std::string path_cache;
/*
- Get number of online processors in the system.
+ Get full path of stuff in data directory.
+ Example: "stone.png" -> "../data/stone.png"
*/
-int getNumberOfProcessors();
+std::string getDataPath(const char *subpath);
/*
- Set a thread's affinity to a particular processor.
+ Move cache folder from path_user to the
+ system cache location if possible.
*/
-bool threadBindToProcessor(threadid_t tid, int pnumber);
+void migrateCachePath();
/*
- Set a thread's priority.
+ Initialize path_*.
*/
-bool threadSetPriority(threadid_t tid, int prio);
+void initializePaths();
/*
Return system information
*/
std::string get_sysinfo();
-void initIrrlicht(irr::IrrlichtDevice * );
-/*
- Resolution is 10-20ms.
- Remember to check for overflows.
- Overflow can occur at any value higher than 10000000.
-*/
-#ifdef _WIN32 // Windows
-#ifndef _WIN32_WINNT
- #define _WIN32_WINNT 0x0501
-#endif
- #include <windows.h>
+// Monotonic counter getters.
- inline u32 getTimeS()
- {
- return GetTickCount() / 1000;
- }
+#ifdef _WIN32 // Windows
- inline u32 getTimeMs()
- {
- return GetTickCount();
- }
+extern double perf_freq;
- inline u32 getTimeUs()
- {
- LARGE_INTEGER freq, t;
- QueryPerformanceFrequency(&freq);
- QueryPerformanceCounter(&t);
- return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000.0);
- }
+inline u64 os_get_time(double mult)
+{
+ LARGE_INTEGER t;
+ QueryPerformanceCounter(&t);
+ return static_cast<double>(t.QuadPart) / (perf_freq / mult);
+}
- inline u32 getTimeNs()
- {
- LARGE_INTEGER freq, t;
- QueryPerformanceFrequency(&freq);
- QueryPerformanceCounter(&t);
- return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000000.0);
- }
+// Resolution is <1us.
+inline u64 getTimeS() { return os_get_time(1); }
+inline u64 getTimeMs() { return os_get_time(1000); }
+inline u64 getTimeUs() { return os_get_time(1000*1000); }
+inline u64 getTimeNs() { return os_get_time(1000*1000*1000); }
#else // Posix
-#include <sys/time.h>
-#include <time.h>
-#ifdef __MACH__
-#include <mach/clock.h>
-#include <mach/mach.h>
+
+inline void os_get_clock(struct timespec *ts)
+{
+#if defined(__MACH__) && defined(__APPLE__)
+// From http://stackoverflow.com/questions/5167269/clock-gettime-alternative-in-mac-os-x
+// OS X does not have clock_gettime, use clock_get_time
+ clock_serv_t cclock;
+ mach_timespec_t mts;
+ host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
+ clock_get_time(cclock, &mts);
+ mach_port_deallocate(mach_task_self(), cclock);
+ ts->tv_sec = mts.tv_sec;
+ ts->tv_nsec = mts.tv_nsec;
+#elif defined(CLOCK_MONOTONIC_RAW)
+ clock_gettime(CLOCK_MONOTONIC_RAW, ts);
+#elif defined(_POSIX_MONOTONIC_CLOCK)
+ clock_gettime(CLOCK_MONOTONIC, ts);
+#else
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ TIMEVAL_TO_TIMESPEC(&tv, ts);
#endif
+}
- inline u32 getTimeS()
- {
- struct timeval tv;
- gettimeofday(&tv, NULL);
- return tv.tv_sec;
- }
+inline u64 getTimeS()
+{
+ struct timespec ts;
+ os_get_clock(&ts);
+ return ts.tv_sec;
+}
- inline u32 getTimeMs()
- {
- struct timeval tv;
- gettimeofday(&tv, NULL);
- return tv.tv_sec * 1000 + tv.tv_usec / 1000;
- }
+inline u64 getTimeMs()
+{
+ struct timespec ts;
+ os_get_clock(&ts);
+ return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
+}
- inline u32 getTimeUs()
- {
- struct timeval tv;
- gettimeofday(&tv, NULL);
- return tv.tv_sec * 1000000 + tv.tv_usec;
- }
+inline u64 getTimeUs()
+{
+ struct timespec ts;
+ os_get_clock(&ts);
+ return ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
+}
- inline u32 getTimeNs()
- {
- struct timespec ts;
- // from http://stackoverflow.com/questions/5167269/clock-gettime-alternative-in-mac-os-x
-#ifdef __MACH__ // OS X does not have clock_gettime, use clock_get_time
- clock_serv_t cclock;
- mach_timespec_t mts;
- host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
- clock_get_time(cclock, &mts);
- mach_port_deallocate(mach_task_self(), cclock);
- ts.tv_sec = mts.tv_sec;
- ts.tv_nsec = mts.tv_nsec;
-#else
- clock_gettime(CLOCK_REALTIME, &ts);
-#endif
- return ts.tv_sec * 1000000000 + ts.tv_nsec;
- }
+inline u64 getTimeNs()
+{
+ struct timespec ts;
+ os_get_clock(&ts);
+ return ts.tv_sec * 1000000000 + ts.tv_nsec;
+}
- /*#include <sys/timeb.h>
- inline u32 getTimeMs()
- {
- struct timeb tb;
- ftime(&tb);
- return tb.time * 1000 + tb.millitm;
- }*/
#endif
-inline u32 getTime(TimePrecision prec)
+inline u64 getTime(TimePrecision prec)
{
switch (prec) {
- case PRECISION_SECONDS:
- return getTimeS();
- case PRECISION_MILLI:
- return getTimeMs();
- case PRECISION_MICRO:
- return getTimeUs();
- case PRECISION_NANO:
- return getTimeNs();
+ case PRECISION_SECONDS: return getTimeS();
+ case PRECISION_MILLI: return getTimeMs();
+ case PRECISION_MICRO: return getTimeUs();
+ case PRECISION_NANO: return getTimeNs();
}
- return 0;
+ FATAL_ERROR("Called getTime with invalid time precision");
}
/**
- * Delta calculation function taking two 32bit arguments.
- * @param old_time_ms old time for delta calculation (order is relevant!)
- * @param new_time_ms new time for delta calculation (order is relevant!)
- * @return positive 32bit delta value
+ * Delta calculation function arguments.
+ * @param old_time_ms old time for delta calculation
+ * @param new_time_ms new time for delta calculation
+ * @return positive delta value
*/
-inline u32 getDeltaMs(u32 old_time_ms, u32 new_time_ms)
+inline u64 getDeltaMs(u64 old_time_ms, u64 new_time_ms)
{
if (new_time_ms >= old_time_ms) {
return (new_time_ms - old_time_ms);
- } else {
- return (old_time_ms - new_time_ms);
- }
-}
-
-#if defined(linux) || defined(__linux)
- #include <sys/prctl.h>
-
- inline void setThreadName(const char *name) {
- /* It would be cleaner to do this with pthread_setname_np,
- * which was added to glibc in version 2.12, but some major
- * distributions are still runing 2.11 and previous versions.
- */
- prctl(PR_SET_NAME, name);
}
-#elif defined(__FreeBSD__) || defined(__OpenBSD__)
- #include <pthread.h>
- #include <pthread_np.h>
- inline void setThreadName(const char *name) {
- pthread_set_name_np(pthread_self(), name);
- }
-#elif defined(__NetBSD__)
- #include <pthread.h>
-
- inline void setThreadName(const char *name) {
- pthread_setname_np(pthread_self(), name);
- }
-#elif defined(_MSC_VER)
- typedef struct tagTHREADNAME_INFO {
- DWORD dwType; // must be 0x1000
- LPCSTR szName; // pointer to name (in user addr space)
- DWORD dwThreadID; // thread ID (-1=caller thread)
- DWORD dwFlags; // reserved for future use, must be zero
- } THREADNAME_INFO;
-
- inline void setThreadName(const char *name) {
- THREADNAME_INFO info;
- info.dwType = 0x1000;
- info.szName = name;
- info.dwThreadID = -1;
- info.dwFlags = 0;
- __try {
- RaiseException(0x406D1388, 0, sizeof(info) / sizeof(DWORD), (ULONG_PTR *) &info);
- } __except (EXCEPTION_CONTINUE_EXECUTION) {}
- }
-#elif defined(__APPLE__)
- #include <pthread.h>
-
- inline void setThreadName(const char *name) {
- pthread_setname_np(name);
- }
-#elif defined(_WIN32)
- inline void setThreadName(const char* name) {}
-#else
- #warning "Unrecognized platform, thread names will not be available."
- inline void setThreadName(const char* name) {}
-#endif
-
-#ifndef SERVER
-float getDisplayDensity();
-
-v2u32 getDisplaySize();
-v2u32 getWindowSize();
-
-std::vector<irr::video::E_DRIVER_TYPE> getSupportedVideoDrivers();
-const char *getVideoDriverName(irr::video::E_DRIVER_TYPE type);
-const char *getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type);
-#endif
+ return (old_time_ms - new_time_ms);
+}
-inline const char * getPlatformName()
+inline const char *getPlatformName()
{
return
#if defined(ANDROID)
"Android"
-#elif defined(linux) || defined(__linux) || defined(__linux__)
+#elif defined(__linux__)
"Linux"
#elif defined(_WIN32) || defined(_WIN64)
"Windows"
"AIX"
#elif defined(__hpux)
"HP-UX"
-#elif defined(__sun) && defined(__SVR4)
- "Solaris"
+#elif defined(__sun) || defined(sun)
+ #if defined(__SVR4)
+ "Solaris"
+ #else
+ "SunOS"
+ #endif
#elif defined(__CYGWIN__)
"Cygwin"
#elif defined(__unix__) || defined(__unix)
;
}
-void setXorgClassHint(const video::SExposedVideoData &video_data,
- const std::string &name);
+bool secure_rand_fill_buf(void *buf, size_t len);
-// This only needs to be called at the start of execution, since all future
-// threads in the process inherit this exception handler
-void setWin32ExceptionHandler();
+// This attaches to the parents process console, or creates a new one if it doesnt exist.
+void attachOrCreateConsole();
+int mt_snprintf(char *buf, const size_t buf_size, const char *fmt, ...);
} // namespace porting
#ifdef __ANDROID__
#include "porting_android.h"
#endif
-
-#endif // PORTING_HEADER
-