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/* -*- c++ -*- */
/*
* Copyright 2007,2008 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef INCLUDED_OMNI_TIME_H
#define INCLUDED_OMNI_TIME_H
struct omni_time {
long int d_secs; // seconds.
long int d_nsecs; // nanoseconds. Always in [0, 1e9-1]
omni_time() : d_secs(0), d_nsecs(0) {}
omni_time(long secs, long nanosecs=0) : d_secs(secs), d_nsecs(nanosecs) {}
// N.B., this only makes sense for differences between times.
// Double doesn't have enough bits to precisely represent an absolute time.
omni_time(double secs);
// N.B. This only makes sense for differences between times.
// Double doesn't have enough bits to precisely represent an absolute time.
double double_time() const { return (double)d_secs + d_nsecs * 1e-9; }
/*!
* \brief Return an absolute time suitable for use with
* schedule_one_shot_timeout & schedule_periodic_timeout
*
* The return value is the current time plus the given relative offset.
*/
static omni_time time(const omni_time &relative_offset = omni_time());
};
inline static bool
operator<(const omni_time &x, const omni_time &y)
{
return ((x.d_secs < y.d_secs)
|| (x.d_secs == y.d_secs && x.d_nsecs < y.d_nsecs));
}
inline static bool
operator>(const omni_time &x, const omni_time &y)
{
return ((x.d_secs > y.d_secs)
|| (x.d_secs == y.d_secs && x.d_nsecs > y.d_nsecs));
}
inline static bool
operator>=(const omni_time &x, const omni_time &y)
{
return ((x.d_secs > y.d_secs)
|| (x.d_secs == y.d_secs && x.d_nsecs >= y.d_nsecs));
}
inline static bool
operator<=(const omni_time &x, const omni_time &y)
{
return ((x.d_secs < y.d_secs)
|| (x.d_secs == y.d_secs && x.d_nsecs <= y.d_nsecs));
}
inline static bool
operator==(const omni_time &x, const omni_time &y)
{
return (x.d_secs == y.d_secs && x.d_nsecs == y.d_nsecs);
}
omni_time operator+(const omni_time &x, const omni_time &y);
omni_time operator+(const omni_time &x, double y);
omni_time operator-(const omni_time &x, const omni_time &y);
omni_time operator-(const omni_time &x, double y);
#endif /* INCLUDED_OMNI_TIME_H */
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