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-add TYPE_ALIGNMENT macro

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-add macros for easy conversion to system time units (100ns)
(dunno if this is the right place to put it)

svn path=/trunk/; revision=11967
This commit is contained in:
Gunnar Dalsnes 2004-12-06 14:34:43 +00:00
parent 7a214c6c4b
commit aab32a11b0
1 changed files with 26 additions and 0 deletions
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26
reactos/include/ntos/ntdef.h
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@ -13,6 +13,32 @@
#define EX_MAXIMUM_WAIT_OBJECTS (64)
#if defined(_MSC_VER) && (_MSC_VER >= 1300) && defined(__cplusplus)
# define TYPE_ALIGNMENT(t) __alignof(t)
#elif defined(__GNUC__)
# define TYPE_ALIGNMENT(t) __alignof__(t)
#else
# define TYPE_ALIGNMENT(t) FIELD_OFFSET(struct { char x; t test; }, test)
#endif
#ifdef _WIN64
# define PROBE_ALIGNMENT(_s) \
(TYPE_ALIGNMENT(_s) > TYPE_ALIGNMENT(DWORD) ? \
TYPE_ALIGNMENT(_s) : TYPE_ALIGNMENT(DWORD))
# define PROBE_ALIGNMENT32(_s) TYPE_ALIGNMENT(DWORD)
#else
# define PROBE_ALIGNMENT(_s) TYPE_ALIGNMENT(DWORD)
#endif
/* Helpers for easy conversion to system time units (100ns) */
#define ABSOLUTE_TIME(wait) (wait)
#define RELATIVE_TIME(wait) (-(wait))
#define NANOS_TO_100NS(nanos) (((LONGLONG)(nanos)) / 100L)
#define MICROS_TO_100NS(micros) (((LONGLONG)(micros)) * NANOS_TO_100NS(1000L))
#define MILLIS_TO_100NS(milli) (((LONGLONG)(milli)) * MICROS_TO_100NS(1000L))
#define SECONDS_TO_100NS(seconds) (((LONGLONG)(seconds)) * MILLIS_TO_100NS(1000L))
#ifndef __USE_W32API
#define ANYSIZE_ARRAY (1)