libspades
Ace of Spades library
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clock.h
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#ifndef LIBSPADES_CLOCK_H
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#define LIBSPADES_CLOCK_H
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#if defined(__unix__) || defined(__unix)
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#define LIBSPADES_POSIX 1
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#endif
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#define LIBSPADES_SECONDS 1
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#define LIBSPADES_MILLISECONDS 1000
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#define LIBSPADES_MICROSECONDS 1000000
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#define LIBSPADES_NANOSECONDS 1000000000
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#ifdef LIBSPADES_POSIX
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#if (_POSIX_C_SOURCE < 199309L)
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#undef _POSIX_C_SOURCE
/* this might be illegal but whatever */
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#endif
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#if !defined(_POSIX_C_SOURCE)
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#define _POSIX_C_SOURCE 199309L
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#endif
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#include <unistd.h>
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#if defined(_POSIX_TIMERS) && ((_POSIX_TIMERS > 0) || defined(__OpenBSD__))
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/* Use clock_gettime if supported. */
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#define LIBSPADES_CLOCK_UNIT LIBSPADES_NANOSECONDS
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#else
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/* Use gettimeofday if clock_gettime is unsupported. */
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#define LIBSPADES_CLOCK_UNIT LIBSPADES_MICROSECONDS
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#endif
/* defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0) */
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#else
/* LIBSPADES_POSIX */
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/* Fall back to ENet's implementation. */
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#define LIBSPADES_CLOCK_UNIT LIBSPADES_MILLISECONDS
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#endif
/* LIBSPADES_POSIX */
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#include "datatypes.h"
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/* "Why not just put it into one group of macros?" I hear someone ask.
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* The answer is: this is the only way I know of to guarantee that the integer isn't ruined by multiplying out of
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* range or dividing away important digits. */
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#if (LIBSPADES_CLOCK_UNIT == LIBSPADES_SECONDS)
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#define LIBSPADES_SECONDS_TO_CLOCK_UNIT(s) ((uint64_t)(s))
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#define LIBSPADES_MILLISECONDS_TO_CLOCK_UNIT(ms) ((uint64_t)(ms) / 1000)
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#define LIBSPADES_MICROSECONDS_TO_CLOCK_UNIT(us) ((uint64_t)(us) / 1000000)
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#define LIBSPADES_NANOSECONDS_TO_CLOCK_UNIT(ns) ((uint64_t)(ns) / 1000000000)
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#define LIBSPADES_SECONDS_TO_CLOCK_UNIT_DOUBLE(s) ((uint64_t)((double)(s)))
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#define LIBSPADES_MILLISECONDS_TO_CLOCK_UNIT_DOUBLE(ms) ((uint64_t)((double)(ms) / 1000))
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#define LIBSPADES_MICROSECONDS_TO_CLOCK_UNIT_DOUBLE(us) ((uint64_t)((double)(us) / 1000000))
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#define LIBSPADES_NANOSECONDS_TO_CLOCK_UNIT_DOUBLE(ns) ((uint64_t)((double)(ns) / 1000000000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS_FLOAT(c) ((float)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS_FLOAT(c) ((float)((c) * 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS_FLOAT(c) ((float)((c) * 1000000))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS_FLOAT(c) ((float)((c) * 1000000000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS_DOUBLE(c) ((double)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS_DOUBLE(c) ((double)((c) * 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS_DOUBLE(c) ((double)((c) * 1000000))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS_DOUBLE(c) ((double)((c) * 1000000000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS(c) ((uint64_t)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS(c) ((uint64_t)((c) * 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS(c) ((uint64_t)((c) * 1000000))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS(c) ((uint64_t)((c) * 1000000000))
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#endif
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#if (LIBSPADES_CLOCK_UNIT == LIBSPADES_MILLISECONDS)
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#define LIBSPADES_SECONDS_TO_CLOCK_UNIT(s) ((uint64_t)(s) * 1000)
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#define LIBSPADES_MILLISECONDS_TO_CLOCK_UNIT(ms) ((uint64_t)(ms))
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#define LIBSPADES_MICROSECONDS_TO_CLOCK_UNIT(us) ((uint64_t)(us) / 1000)
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#define LIBSPADES_NANOSECONDS_TO_CLOCK_UNIT(ns) ((uint64_t)(ns) / 1000000)
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#define LIBSPADES_SECONDS_TO_CLOCK_UNIT_DOUBLE(s) ((uint64_t)((double)(s) * 1000))
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#define LIBSPADES_MILLISECONDS_TO_CLOCK_UNIT_DOUBLE(ms) ((uint64_t)((double)(ms)))
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#define LIBSPADES_MICROSECONDS_TO_CLOCK_UNIT_DOUBLE(us) ((uint64_t)((double)(us) / 1000))
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#define LIBSPADES_NANOSECONDS_TO_CLOCK_UNIT_DOUBLE(ns) ((uint64_t)((double)(ns) / 1000000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS_FLOAT(c) ((float)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS_FLOAT(c) ((float)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS_FLOAT(c) ((float)((c) * 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS_FLOAT(c) ((float)((c) * 1000000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS_DOUBLE(c) ((double)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS_DOUBLE(c) ((double)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS_DOUBLE(c) ((double)((c) * 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS_DOUBLE(c) ((double)((c) * 1000000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS(c) ((uint64_t)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS(c) ((uint64_t)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS(c) ((uint64_t)((c) * 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS(c) ((uint64_t)((c) * 1000000))
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#endif
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#if (LIBSPADES_CLOCK_UNIT == LIBSPADES_MICROSECONDS)
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#define LIBSPADES_SECONDS_TO_CLOCK_UNIT(s) ((uint64_t)(s) * 1000000)
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#define LIBSPADES_MILLISECONDS_TO_CLOCK_UNIT(ms) ((uint64_t)(ms) * 1000)
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#define LIBSPADES_MICROSECONDS_TO_CLOCK_UNIT(us) ((uint64_t)(us))
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#define LIBSPADES_NANOSECONDS_TO_CLOCK_UNIT(ns) ((uint64_t)(ns) / 1000)
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#define LIBSPADES_SECONDS_TO_CLOCK_UNIT_DOUBLE(s) ((uint64_t)((double)(s) * 1000000))
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#define LIBSPADES_MILLISECONDS_TO_CLOCK_UNIT_DOUBLE(ms) ((uint64_t)((double)(ms) * 1000))
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#define LIBSPADES_MICROSECONDS_TO_CLOCK_UNIT_DOUBLE(us) ((uint64_t)((double)(us)))
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#define LIBSPADES_NANOSECONDS_TO_CLOCK_UNIT_DOUBLE(ns) ((uint64_t)((double)(ns) / 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS_FLOAT(c) ((float)(c) / 1000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS_FLOAT(c) ((float)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS_FLOAT(c) ((float)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS_FLOAT(c) ((float)((c) * 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS_DOUBLE(c) ((double)(c) / 1000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS_DOUBLE(c) ((double)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS_DOUBLE(c) ((double)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS_DOUBLE(c) ((double)((c) * 1000))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS(c) ((uint64_t)(c) / 1000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS(c) ((uint64_t)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS(c) ((uint64_t)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS(c) ((uint64_t)((c) * 1000))
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#endif
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#if (LIBSPADES_CLOCK_UNIT == LIBSPADES_NANOSECONDS)
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#define LIBSPADES_SECONDS_TO_CLOCK_UNIT(s) ((uint64_t)(s) * 1000000000)
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#define LIBSPADES_MILLISECONDS_TO_CLOCK_UNIT(ms) ((uint64_t)(ms) * 1000000)
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#define LIBSPADES_MICROSECONDS_TO_CLOCK_UNIT(us) ((uint64_t)(us) * 1000)
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#define LIBSPADES_NANOSECONDS_TO_CLOCK_UNIT(ns) ((uint64_t)(ns))
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#define LIBSPADES_SECONDS_TO_CLOCK_UNIT_DOUBLE(s) ((uint64_t)((double)(s) * 1000000000))
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#define LIBSPADES_MILLISECONDS_TO_CLOCK_UNIT_DOUBLE(ms) ((uint64_t)((double)(ms) * 1000000))
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#define LIBSPADES_MICROSECONDS_TO_CLOCK_UNIT_DOUBLE(us) ((uint64_t)((double)(us) * 1000))
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#define LIBSPADES_NANOSECONDS_TO_CLOCK_UNIT_DOUBLE(ns) ((uint64_t)((double)(ns)))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS_FLOAT(c) ((float)(c) / 1000000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS_FLOAT(c) ((float)(c) / 1000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS_FLOAT(c) ((float)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS_FLOAT(c) ((float)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS_DOUBLE(c) ((double)(c) / 1000000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS_DOUBLE(c) ((double)(c) / 1000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS_DOUBLE(c) ((double)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS_DOUBLE(c) ((double)(c))
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#define LIBSPADES_CLOCK_UNIT_TO_SECONDS(c) ((uint64_t)(c) / 1000000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MILLISECONDS(c) ((uint64_t)(c) / 1000000)
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#define LIBSPADES_CLOCK_UNIT_TO_MICROSECONDS(c) ((uint64_t)(c) / 1000)
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#define LIBSPADES_CLOCK_UNIT_TO_NANOSECONDS(c) ((uint64_t)(c))
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#endif
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uint64_t libspades_get_clock(
void
);
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#ifdef __cplusplus
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}
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#endif
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#endif
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