HDK: SYS/SYS_Time.h Source File

00001 /*
00002  * PROPRIETARY INFORMATION.  This software is proprietary to
00003  * Side Effects Software Inc., and is not to be reproduced,
00004  * transmitted, or disclosed in any way without written permission.
00005  *
00006  * Produced by:
00007  *      Side Effects Software Inc
00008  *      123 Front Street West, Suite 1401
00009  *      Toronto, Ontario
00010  *      Canada   M5J 2M2
00011  *      416-504-9876
00012  *
00013  * NAME:        SYS_Time.h (SYS Library, C++)
00014  *
00015  * COMMENTS:    Platform-independent time structures
00016  */
00017 
00018 #ifndef __SYS_TIME_H_INCLUDED__
00019 #define __SYS_TIME_H_INCLUDED__
00020 
00021 #include "SYS_API.h"
00022 #include "SYS_Types.h"
00023 
00024 #ifdef WIN32
00025 struct SYS_TimeVal
00026 {
00027         long    tv_sec;         /* seconds */
00028         long    tv_usec;        /* and microseconds */
00029 };
00030 #else
00031 
00032 #include <sys/time.h>
00033 
00034 typedef struct timeval SYS_TimeVal;
00035 
00036 #endif
00037 
00038 // SYSgettimeofday() returns the time since the computer started.
00039 SYS_API int SYSgettimeofday(SYS_TimeVal *tval);
00040 
00041 // Return the number of milliseconds since the computer was last started
00042 // this count wraps around every 49.7 days. The resolution on Windows is
00043 // about 1/18th of a second.
00044 SYS_API unsigned int SYSclock();
00045 
00046 #endif // __SYS_TIME_H_INCLUDED__