4 * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
5 * This file is part of DevLib - See devlib/README for information.
8 * \brief Portable abstraction for high-resolution time handling (interface)
11 * \author Bernardo Innocenti <bernie@develer.com>
16 *#* Revision 1.4 2004/08/25 14:12:09 rasky
17 *#* Aggiornato il comment block dei log RCS
19 *#* Revision 1.3 2004/08/10 05:45:04 bernie
20 *#* Fix spacing in header.
22 *#* Revision 1.2 2004/06/03 11:27:09 bernie
23 *#* Add dual-license information.
25 *#* Revision 1.1 2004/06/03 09:01:06 bernie
26 *#* Import into DevLib.
34 #endif /* __cplusplus */
38 /* type for time expressed in ms */
39 typedef unsigned long mtime_t;
41 /* our type for "high precision absolute time" */
42 typedef unsigned __int64 hptime_t;
44 #define HPTIME_TICKS_PER_SECOND ((hptime_t)10000000I64)
45 #define HPTIME_TICKS_PER_MILLISEC ((hptime_t)10000I64)
46 #define HPTIME_TICKS_PER_MICRO ((hptime_t)10I64)
48 #elif defined(__unix__)
50 /* type for time expressed in ms */
53 /* our type for "high precision absolute time" */
54 typedef long long hptime_t;
56 #define HPTIME_TICKS_PER_SECOND ((hptime_t)1000000LL)
57 #define HPTIME_TICKS_PER_MILLISEC ((hptime_t)1000LL)
58 #define HPTIME_TICKS_PER_MICRO ((hptime_t)1LL)
61 #error OS dependent support code missing for this OS
62 #endif /* !__unix__ */
65 * Return the current time with the maximum precision made available from the hosting OS
67 extern hptime_t hptime_get(void);
71 #endif /* __cplusplus */