Add varying levels of precision to TimeTaker

[dragonfireclient.git] / src / porting.h

diff --git a/src/porting.h b/src/porting.h
index 13b7155571e2ec54dfdaff0c3a8300e1003e69b1..bcce96ef7f0bbb092ffedd546ac7567ba1da69c2 100644 (file)
--- a/src/porting.h
+++ b/src/porting.h
@@ -28,6 +28,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "irrlichttypes.h" // u32
 #include "debug.h"
 #include "constants.h"
+#include "gettime.h"
 
 #ifdef _MSC_VER
        #define SWPRINTF_CHARSTRING L"%S"
@@ -40,6 +41,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 //#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)
@@ -47,7 +51,32 @@ with this program; if not, write to the Free Software Foundation, Inc.,
        #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
@@ -103,6 +132,21 @@ std::string getDataPath(const char *subpath);
 */
 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.
@@ -110,18 +154,65 @@ void initializePaths();
 */
 #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()
        {
@@ -131,6 +222,22 @@ void initializePaths();
        }*/
 #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