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)
10 * \author Bernardo Innocenti <bernie@develer.com>
17 /* Any random OS would do */
23 #endif /* __cplusplus */
27 /** our type for "high precision absolute time" */
28 typedef __int64 hptime_t;
30 #define HPTIME_TICKS_PER_SECOND (10000000I64)
31 #define HPTIME_TICKS_PER_MILLISEC (10000I64)
32 #define HPTIME_TICKS_PER_MICRO (10I64)
34 #elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
36 #include <stdint.h> /* int64_t */
38 #ifndef DEVLIB_MTIME_DEFINED
39 #define DEVLIB_MTIME_DEFINED 1 /* Resolve conflict with <cfg/compiler.h> */
40 typedef int32_t mtime_t;
41 #define SIZEOF_MTIME_T (32 / CPU_BITS_PER_CHAR)
42 #define MTIME_INFINITE 0x7FFFFFFFL
45 /** Type for "high precision absolute time". */
46 typedef int64_t hptime_t;
48 #define HPTIME_TICKS_PER_SECOND (1000000LL)
49 #define HPTIME_TICKS_PER_MILLISEC (1000LL)
50 #define HPTIME_TICKS_PER_MICRO (1LL)
53 #error OS dependent support code missing for this OS
54 #endif /* !__unix__ */
57 * Return the current time with the maximum precision made available from the hosting OS
59 extern hptime_t hptime_get(void);
63 #endif /* __cplusplus */