* Copyright 2011, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef _LIBROOT_TIME_PRIVATE_H
#define _LIBROOT_TIME_PRIVATE_H
#include <errno.h>
#include <sys/cdefs.h>
#include <sys/time.h>
#include <time.h>
#include <OS.h>
#define CLOCKS_PER_SEC_BEOS 1000
#define CLK_TCK_BEOS CLOCKS_PER_SEC_BEOS
#define MICROSECONDS_PER_CLOCK_TICK (1000000 / CLOCKS_PER_SEC)
#define MICROSECONDS_PER_CLOCK_TICK_BEOS (1000000 / CLOCKS_PER_SEC_BEOS)
struct __timer_t {
int32 id;
thread_id thread;
void SetTo(int32 id, thread_id thread)
{
this->id = id;
this->thread = thread;
}
};
static inline void
bigtime_to_timespec(bigtime_t time, timespec& spec)
{
spec.tv_sec = time / 1000000;
spec.tv_nsec = (time % 1000000) * 1000;
}
static inline bool
timespec_to_bigtime(const timespec& spec, bigtime_t& _time)
{
if (spec.tv_sec < 0 || spec.tv_nsec < 0 || spec.tv_nsec >= 1000000000)
return false;
_time = (bigtime_t)spec.tv_sec * 1000000 + (spec.tv_nsec + 999) / 1000;
return true;
}
static inline bool
timeval_to_timespec(const timeval& val, timespec& spec)
{
if (val.tv_sec < 0 || val.tv_usec < 0 || val.tv_usec >= 1000000)
return false;
spec.tv_sec = val.tv_sec;
spec.tv_nsec = val.tv_usec * 1000;
return true;
}
static inline bool
timeval_to_bigtime(const timeval& val, bigtime_t& _time)
{
timespec spec;
return timeval_to_timespec(val, spec) && timespec_to_bigtime(spec, _time);
}
static inline void
timespec_to_timeval(const timespec& spec, timeval& val)
{
val.tv_sec = spec.tv_sec;
val.tv_usec = spec.tv_nsec / 1000;
}
__BEGIN_DECLS
clock_t __clock_beos(void);
clock_t __clock(void);
__END_DECLS
#endif
