/*
-(c) 2010 Perttu Ahola <celeron55@gmail.com>
+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
*/
#ifndef PORTING_HEADER
#define PORTING_HEADER
-#ifdef _WIN32
+#include <string>
+#include "irrlichttypes.h" // u32
+#include "debug.h"
+#include "constants.h"
+#include "gettime.h"
+
+#ifdef _MSC_VER
#define SWPRINTF_CHARSTRING L"%S"
#else
#define SWPRINTF_CHARSTRING L"%s"
#endif
+//currently not needed
+//template<typename T> struct alignment_trick { char c; T member; };
+//#define ALIGNOF(type) offsetof (alignment_trick<type>, member)
+
+#ifdef _WIN32
+ #ifndef _WIN32_WINNT
+ #define _WIN32_WINNT 0x0500
+ #endif
+ #include <windows.h>
+
+ #define sleep_ms(x) Sleep(x)
+#else
+ #include <unistd.h>
+ #include <stdint.h> //for uintptr_t
+
+ #if (defined(linux) || defined(__linux)) && !defined(_GNU_SOURCE)
+ #define _GNU_SOURCE
+ #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>
+ #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
+ #define ALIGNOF(x) __alignof(x)
+ #define strtok_r(x, y, z) strtok_s(x, y, z)
+ #define strtof(x, y) (float)strtod(x, y)
+ #define strtoll(x, y, z) _strtoi64(x, y, z)
+ #define strtoull(x, y, z) _strtoui64(x, y, z)
+ #define strcasecmp(x, y) stricmp(x, y)
+#else
+ #define ALIGNOF(x) __alignof__(x)
+#endif
+
+#ifdef __MINGW32__
+ #define strtok_r(x, y, z) mystrtok_r(x, y, z)
+#endif
+
+#define PADDING(x, y) ((ALIGNOF(y) - ((uintptr_t)(x) & (ALIGNOF(y) - 1))) & (ALIGNOF(y) - 1))
+
+namespace porting
+{
+
+/*
+ Signal handler (grabs Ctrl-C on POSIX systems)
+*/
+
+void signal_handler_init(void);
+// Returns a pointer to a bool.
+// When the bool is true, program should quit.
+bool * signal_handler_killstatus(void);
+
+/*
+ Path of static data directory.
+*/
+extern std::string path_share;
+
+/*
+ Directory for storing user data. Examples:
+ Windows: "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
+ Linux: "~/.<PROJECT_NAME>"
+ Mac: "~/Library/Application Support/<PROJECT_NAME>"
+*/
+extern std::string path_user;
+
+/*
+ Get full path of stuff in data directory.
+ Example: "stone.png" -> "../data/stone.png"
+*/
+std::string getDataPath(const char *subpath);
+
+/*
+ Initialize path_share and path_user.
+*/
+void initializePaths();
+
+/*
+ Get number of online processors in the system.
+*/
+int getNumberOfProcessors();
+
+/*
+ Set a thread's affinity to a particular processor.
+*/
+bool threadBindToProcessor(threadid_t tid, int pnumber);
+
+/*
+ Set a thread's priority.
+*/
+bool threadSetPriority(threadid_t tid, int prio);
+
+/*
+ Resolution is 10-20ms.
+ Remember to check for overflows.
+ Overflow can occur at any value higher than 10000000.
+*/
+#ifdef _WIN32 // Windows
+ #include <windows.h>
+
+ inline u32 getTimeS()
+ {
+ return GetTickCount() / 1000;
+ }
+
+ inline u32 getTimeMs()
+ {
+ return GetTickCount();
+ }
+
+ inline u32 getTimeUs()
+ {
+ LARGE_INTEGER freq, t;
+ QueryPerformanceFrequency(&freq);
+ QueryPerformanceCounter(&t);
+ return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000.0);
+ }
+
+ inline u32 getTimeNs()
+ {
+ LARGE_INTEGER freq, t;
+ QueryPerformanceFrequency(&freq);
+ QueryPerformanceCounter(&t);
+ return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000000.0);
+ }
+
+#else // Posix
+ #include <sys/time.h>
+ #include <time.h>
+
+ inline u32 getTimeS()
+ {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return tv.tv_sec;
+ }
+
+ inline u32 getTimeMs()
+ {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return tv.tv_sec * 1000 + tv.tv_usec / 1000;
+ }
+
+ inline u32 getTimeUs()
+ {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return tv.tv_sec * 1000000 + tv.tv_usec;
+ }
+
+ inline u32 getTimeNs()
+ {
+ struct timespec ts;
+ clock_gettime(CLOCK_REALTIME, &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)
+{
+ switch (prec) {
+ case PRECISION_SECONDS:
+ return getTimeS();
+ case PRECISION_MILLI:
+ return getTimeMs();
+ case PRECISION_MICRO:
+ return getTimeUs();
+ case PRECISION_NANO:
+ return getTimeNs();
+ }
+ return 0;
+}
+
+
+} // namespace porting
+
+#endif // PORTING_HEADER
+
projects / dragonfireclient.git / blobdiff