82 lines
1.8 KiB
C
Executable File
82 lines
1.8 KiB
C
Executable File
// Windows-specific high resolution timer
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// Copyright (c) 2004 Jan Wassenberg
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// Contact info:
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// Jan.Wassenberg@stud.uni-karlsruhe.de
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// http://www.stud.uni-karlsruhe.de/~urkt/
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#ifndef WTIME_H__
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#define WTIME_H__
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#define HAVE_CLOCK_GETTIME
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#define HAVE_GETTIMEOFDAY
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//
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// <sys/types.h>
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//
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typedef unsigned long useconds_t;
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typedef long suseconds_t;
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//
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// <unistd.h>
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//
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extern unsigned int sleep(unsigned int sec);
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extern int usleep(useconds_t us);
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//
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// <time.h>
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//
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typedef enum
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{
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CLOCK_REALTIME
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}
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clockid_t;
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// BSD gettimeofday
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struct timeval
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{
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time_t tv_sec;
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suseconds_t tv_usec;
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};
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// POSIX realtime clock_*
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struct timespec
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{
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time_t tv_sec;
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long tv_nsec;
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};
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extern int gettimeofday(struct timeval* tv, void* tzp);
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extern int nanosleep(const struct timespec* rqtp, struct timespec* rmtp);
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extern int clock_gettime(clockid_t clock, struct timespec* ts);
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extern int clock_getres(clockid_t clock, struct timespec* res);
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// HACK: if _WIN32, the HRT makes its final implementation choice
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// in the first calibrate call where cpu_freq and cpu_caps are
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// available. provide a routine that makes the choice when called,
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// so app code isn't surprised by a timer change, although the HRT
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// does try to keep the timer continuous.
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extern void wtime_reset_impl();
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#endif // #ifndef WTIME_H__
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