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 1.8 2006/02/20 01:46:46 bernie
19 *#* Revision 1.7 2006/01/16 03:28:25 bernie
20 *#* Remove redundant mtime_t definition (cfg/compiler.h has one already).
22 *#* Revision 1.6 2005/11/27 03:57:22 bernie
23 *#* Use C99 types to match cfg/compiler.h without depending on it.
25 *#* Revision 1.5 2005/11/04 16:20:02 bernie
26 *#* Fix reference to README.devlib in header.
28 *#* Revision 1.4 2004/08/25 14:12:09 rasky
29 *#* Aggiornato il comment block dei log RCS
31 *#* Revision 1.3 2004/08/10 05:45:04 bernie
32 *#* Fix spacing in header.
34 *#* Revision 1.2 2004/06/03 11:27:09 bernie
35 *#* Add dual-license information.
37 *#* Revision 1.1 2004/06/03 09:01:06 bernie
38 *#* Import into DevLib.
46 #endif /* __cplusplus */
50 /** our type for "high precision absolute time" */
51 typedef __int64 hptime_t;
53 #define HPTIME_TICKS_PER_SECOND ((hptime_t)10000000I64)
54 #define HPTIME_TICKS_PER_MILLISEC ((hptime_t)10000I64)
55 #define HPTIME_TICKS_PER_MICRO ((hptime_t)10I64)
57 #elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
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 */