/usr/include/ETL/_clock_gettimeofday.h is in etl-dev 0.04.19-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /*! ========================================================================
** Extended Template and Library
** gettimeofday() Clock Description Implementation
** $Id$
**
** Copyright (c) 2002 Robert B. Quattlebaum Jr.
**
** This package 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 2 of
** the License, or (at your option) any later version.
**
** This package 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.
**
** === N O T E S ===========================================================
**
** This is an internal header file, included by other ETL headers.
** You should not attempt to use it directly.
**
** ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __ETL__CLOCK_GETTIMEOFDAY_H
#define __ETL__CLOCK_GETTIMEOFDAY_H
/* === H E A D E R S ======================================================= */
#include <sys/time.h>
#include <cmath>
/* === M A C R O S ========================================================= */
/* === T Y P E D E F S ===================================================== */
/* === C L A S S E S & S T R U C T S ======================================= */
_ETL_BEGIN_NAMESPACE
class clock_desc_gettimeofday
{
public:
typedef double value_type;
inline static bool realtime()
{ return true; }
inline static bool proctime()
{ return false; }
inline static value_type
one_second()
{ return 1.0f; }
inline static value_type precision()
{ return one_second()/(value_type)1000000.0f; }
inline static const char *description()
{ return "UNIX gettimeofday()"; };
protected:
class timestamp : public timeval
{
timestamp(int sec, int usec)
{ tv_sec=sec; tv_usec=usec; }
friend class clock_desc_gettimeofday;
public:
timestamp() { }
inline timestamp operator-(const timestamp &rhs)const
{
timestamp ret;
ret.tv_usec=tv_usec-rhs.tv_usec;
if(ret.tv_usec<0)
{
ret.tv_sec=tv_sec-rhs.tv_sec-1;
ret.tv_usec+=1000000;
}
else
ret.tv_sec=tv_sec-rhs.tv_sec;
return ret;
}
inline timestamp operator+(timestamp rhs)const
{
rhs.tv_usec+=tv_usec;
if(rhs.tv_usec>1000000)
{
rhs.tv_sec+=tv_sec+1;
rhs.tv_usec-=1000000;
}
else
rhs.tv_sec+=tv_sec;
return rhs;
}
inline bool operator<(const timestamp &rhs)const
{ return tv_sec<rhs.tv_sec || tv_usec<rhs.tv_usec; }
inline bool operator==(const timestamp &rhs)const
{ return tv_usec==rhs.tv_usec && tv_sec==rhs.tv_sec; }
inline bool operator!=(const timestamp &rhs)const
{ return tv_usec!=rhs.tv_usec || tv_sec!=rhs.tv_sec; }
};
static void
get_current_time(timestamp &x)
{ gettimeofday(&x,NULL);}
static timestamp
get_current_time()
{ timestamp ret; get_current_time(ret); return ret; }
static value_type
timestamp_to_seconds(const timestamp &x)
{ return (value_type)x.tv_sec + precision()*x.tv_usec; }
static timestamp
seconds_to_timestamp(const value_type &x)
{ return timestamp((int)floor(x), (int)((x-floor(x))/precision()+0.5)); }
};
_ETL_END_NAMESPACE
/* === E N D =============================================================== */
#endif
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