/*
-Minetest-c55
-Copyright (C) 2010 celeron55, 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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+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 General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+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.
*/
#define PORTING_HEADER
#ifdef _WIN32
+ #ifdef _WIN32_WINNT
+ #undef _WIN32_WINNT
+ #endif
+ #define _WIN32_WINNT 0x0501 // We need to do this before any other headers
+ // because those might include sdkddkver.h which defines _WIN32_WINNT if not already set
+#endif
+
+#include <string>
+#include "irrlicht.h"
+#include "irrlichttypes.h" // u32
+#include "irrlichttypes_extrabloated.h"
+#include "debug.h"
+#include "constants.h"
+#include "gettime.h"
+#include "threads.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
+ #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)
+ #define strncasecmp(x, y, n) strnicmp(x, y, n)
+#else
+ #define ALIGNOF(x) __alignof__(x)
+#endif
+
+#ifdef __MINGW32__
+ #define strtok_r(x, y, z) mystrtok_r(x, y, z)
+#endif
+
+// strlcpy is missing from glibc. thanks a lot, drepper.
+// strlcpy is also missing from AIX and HP-UX because they aim to be weird.
+// We can't simply alias strlcpy to MSVC's strcpy_s, since strcpy_s by
+// default raises an assertion error and aborts the program if the buffer is
+// too small.
+#if defined(__FreeBSD__) || defined(__NetBSD__) || \
+ defined(__OpenBSD__) || defined(__DragonFly__) || \
+ defined(__APPLE__) || \
+ defined(__sun) || defined(sun) || \
+ defined(__QNX__) || defined(__QNXNTO__)
+ #define HAVE_STRLCPY
+#endif
+
+// So we need to define our own.
+#ifndef HAVE_STRLCPY
+ #define strlcpy(d, s, n) mystrlcpy(d, s, n)
+#endif
+
+#define PADDING(x, y) ((ALIGNOF(y) - ((uintptr_t)(x) & (ALIGNOF(y) - 1))) & (ALIGNOF(y) - 1))
+
+#if defined(__APPLE__)
+ #include <mach-o/dyld.h>
+ #include <CoreFoundation/CoreFoundation.h>
#endif
+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);
+
+/*
+ Return system information
+ e.g. "Linux/3.12.7 x86_64"
+*/
+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>
+
+ 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>
+#ifdef __MACH__
+#include <mach/clock.h>
+#include <mach/mach.h>
+#endif
+
+ 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;
+ // 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;
+ }
+
+ /*#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;
+}
+
+/**
+ * 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
+ */
+inline u32 getDeltaMs(u32 old_time_ms, u32 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();
+#endif
+
+} // namespace porting
+
+#endif // PORTING_HEADER
+
projects / minetest.git / blobdiff