3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 Random portability stuff
24 #ifndef PORTING_HEADER
25 #define PORTING_HEADER
28 #include "irrlichttypes.h" // u32
30 #include "constants.h"
34 #define SWPRINTF_CHARSTRING L"%S"
36 #define SWPRINTF_CHARSTRING L"%s"
39 //currently not needed
40 //template<typename T> struct alignment_trick { char c; T member; };
41 //#define ALIGNOF(type) offsetof (alignment_trick<type>, member)
45 #define _WIN32_WINNT 0x0500
49 #define sleep_ms(x) Sleep(x)
52 #include <stdint.h> //for uintptr_t
54 #if (defined(linux) || defined(__linux)) && !defined(_GNU_SOURCE)
61 #include <pthread_np.h>
62 typedef cpuset_t cpu_set_t;
63 #elif defined(__sun) || defined(sun)
64 #include <sys/types.h>
65 #include <sys/processor.h>
67 #include <sys/processor.h>
69 #include <mach/mach_init.h>
70 #include <mach/thread_policy.h>
73 #define sleep_ms(x) usleep(x*1000)
75 #define THREAD_PRIORITY_LOWEST 0
76 #define THREAD_PRIORITY_BELOW_NORMAL 1
77 #define THREAD_PRIORITY_NORMAL 2
78 #define THREAD_PRIORITY_ABOVE_NORMAL 3
79 #define THREAD_PRIORITY_HIGHEST 4
83 #define ALIGNOF(x) __alignof(x)
84 #define strtok_r(x, y, z) strtok_s(x, y, z)
85 #define strtof(x, y) (float)strtod(x, y)
86 #define strtoll(x, y, z) _strtoi64(x, y, z)
87 #define strtoull(x, y, z) _strtoui64(x, y, z)
88 #define strcasecmp(x, y) stricmp(x, y)
90 #define ALIGNOF(x) __alignof__(x)
94 #define strtok_r(x, y, z) mystrtok_r(x, y, z)
97 #define PADDING(x, y) ((ALIGNOF(y) - ((uintptr_t)(x) & (ALIGNOF(y) - 1))) & (ALIGNOF(y) - 1))
103 Signal handler (grabs Ctrl-C on POSIX systems)
106 void signal_handler_init(void);
107 // Returns a pointer to a bool.
108 // When the bool is true, program should quit.
109 bool * signal_handler_killstatus(void);
112 Path of static data directory.
114 extern std::string path_share;
117 Directory for storing user data. Examples:
118 Windows: "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
119 Linux: "~/.<PROJECT_NAME>"
120 Mac: "~/Library/Application Support/<PROJECT_NAME>"
122 extern std::string path_user;
125 Get full path of stuff in data directory.
126 Example: "stone.png" -> "../data/stone.png"
128 std::string getDataPath(const char *subpath);
131 Initialize path_share and path_user.
133 void initializePaths();
136 Get number of online processors in the system.
138 int getNumberOfProcessors();
141 Set a thread's affinity to a particular processor.
143 bool threadBindToProcessor(threadid_t tid, int pnumber);
146 Set a thread's priority.
148 bool threadSetPriority(threadid_t tid, int prio);
151 Resolution is 10-20ms.
152 Remember to check for overflows.
153 Overflow can occur at any value higher than 10000000.
155 #ifdef _WIN32 // Windows
158 inline u32 getTimeS()
160 return GetTickCount() / 1000;
163 inline u32 getTimeMs()
165 return GetTickCount();
168 inline u32 getTimeUs()
170 LARGE_INTEGER freq, t;
171 QueryPerformanceFrequency(&freq);
172 QueryPerformanceCounter(&t);
173 return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000.0);
176 inline u32 getTimeNs()
178 LARGE_INTEGER freq, t;
179 QueryPerformanceFrequency(&freq);
180 QueryPerformanceCounter(&t);
181 return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000000.0);
185 #include <sys/time.h>
188 inline u32 getTimeS()
191 gettimeofday(&tv, NULL);
195 inline u32 getTimeMs()
198 gettimeofday(&tv, NULL);
199 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
202 inline u32 getTimeUs()
205 gettimeofday(&tv, NULL);
206 return tv.tv_sec * 1000000 + tv.tv_usec;
209 inline u32 getTimeNs()
212 clock_gettime(CLOCK_REALTIME, &ts);
213 return ts.tv_sec * 1000000000 + ts.tv_nsec;
216 /*#include <sys/timeb.h>
217 inline u32 getTimeMs()
221 return tb.time * 1000 + tb.millitm;
225 inline u32 getTime(TimePrecision prec)
228 case PRECISION_SECONDS:
230 case PRECISION_MILLI:
232 case PRECISION_MICRO:
241 } // namespace porting
243 #endif // PORTING_HEADER