4 * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
5 * This file is part of DevLib - See README.devlib for information.
8 * \brief Portable abstraction for high-resolution time handling (interface)
11 * \author Bernardo Innocenti <bernie@develer.com>
16 *#* Revision 1.6 2005/11/27 03:57:22 bernie
17 *#* Use C99 types to match cfg/compiler.h without depending on it.
19 *#* Revision 1.5 2005/11/04 16:20:02 bernie
20 *#* Fix reference to README.devlib in header.
22 *#* Revision 1.4 2004/08/25 14:12:09 rasky
23 *#* Aggiornato il comment block dei log RCS
25 *#* Revision 1.3 2004/08/10 05:45:04 bernie
26 *#* Fix spacing in header.
28 *#* Revision 1.2 2004/06/03 11:27:09 bernie
29 *#* Add dual-license information.
31 *#* Revision 1.1 2004/06/03 09:01:06 bernie
32 *#* Import into DevLib.
40 #endif /* __cplusplus */
44 /** type for time expressed in ms */
45 typedef unsigned long mtime_t;
47 /** our type for "high precision absolute time" */
48 typedef unsigned __int64 hptime_t;
50 #define HPTIME_TICKS_PER_SECOND ((hptime_t)10000000I64)
51 #define HPTIME_TICKS_PER_MILLISEC ((hptime_t)10000I64)
52 #define HPTIME_TICKS_PER_MICRO ((hptime_t)10I64)
54 #elif defined(__unix__)
58 /** type for time expressed in ms */
59 typedef int32_t mtime_t;
61 /** our type for "high precision absolute time" */
62 typedef int64_t hptime_t;
64 #define HPTIME_TICKS_PER_SECOND 1000000LL
65 #define HPTIME_TICKS_PER_MILLISEC 1000LL
66 #define HPTIME_TICKS_PER_MICRO 1LL
69 #error OS dependent support code missing for this OS
70 #endif /* !__unix__ */
73 * Return the current time with the maximum precision made available from the hosting OS
75 extern hptime_t hptime_get(void);
79 #endif /* __cplusplus */