source: libcfa/src/time.hfa @ 4834563

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since 4834563 was 4834563, checked in by Peter A. Buhr <pabuhr@…>, 4 years ago

refactor clock out of time because time.hfa too large for 32-bit build

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[b1a4300]1//
[2a84d06d]2// Cforall Version 1.0.0 Copyright (C) 2018 University of Waterloo
[6ecc079]3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
[b1a4300]6//
7// time --
8//
[6ecc079]9// Author           : Peter A. Buhr
10// Created On       : Wed Mar 14 23:18:57 2018
11// Last Modified By : Peter A. Buhr
[4834563]12// Last Modified On : Mon Jan  6 12:50:16 2020
13// Update Count     : 653
[b1a4300]14//
[6ecc079]15
16#pragma once
17
18// http://en.cppreference.com/w/cpp/header/chrono
19// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0355r5.html#refcc
20
[2a84d06d]21#include <time.h>                                                                               // timespec
[6ecc079]22extern "C" {
[2a84d06d]23#include <sys/time.h>                                                                   // timeval
[6ecc079]24}
[461eed2]25#include <time_t.hfa>                                                                   // Duration/Time types
[6ecc079]26
[273cde6]27enum { TIMEGRAN = 1_000_000_000LL };                                    // nanosecond granularity, except for timeval
[6ecc079]28
29//######################### Duration #########################
30
[bbe1a87]31static inline {
[ffe2fad]32        Duration ?=?( Duration & dur, __attribute__((unused)) zero_t ) { return dur{ 0 }; }
[bbe1a87]33
[e0c235c]34        Duration +?( Duration rhs ) with( rhs ) { return (Duration)@{ +tn }; }
35        Duration ?+?( Duration & lhs, Duration rhs ) { return (Duration)@{ lhs.tn + rhs.tn }; }
[bbe1a87]36        Duration ?+=?( Duration & lhs, Duration rhs ) { lhs = lhs + rhs; return lhs; }
37
[e0c235c]38        Duration -?( Duration rhs ) with( rhs ) { return (Duration)@{ -tn }; }
39        Duration ?-?( Duration & lhs, Duration rhs ) { return (Duration)@{ lhs.tn - rhs.tn }; }
[bbe1a87]40        Duration ?-=?( Duration & lhs, Duration rhs ) { lhs = lhs - rhs; return lhs; }
41
[e0c235c]42        Duration ?*?( Duration lhs, int64_t rhs ) { return (Duration)@{ lhs.tn * rhs }; }
43        Duration ?*?( int64_t lhs, Duration rhs ) { return (Duration)@{ lhs * rhs.tn }; }
[bbe1a87]44        Duration ?*=?( Duration & lhs, int64_t rhs ) { lhs = lhs * rhs; return lhs; }
45
[e0c235c]46        int64_t ?/?( Duration lhs, Duration rhs ) { return lhs.tn / rhs.tn; }
47        Duration ?/?( Duration lhs, int64_t rhs ) { return (Duration)@{ lhs.tn / rhs }; }
[bbe1a87]48        Duration ?/=?( Duration & lhs, int64_t rhs ) { lhs = lhs / rhs; return lhs; }
[e0c235c]49        double div( Duration lhs, Duration rhs ) { return (double)lhs.tn / (double)rhs.tn; }
[bbe1a87]50
[e0c235c]51        Duration ?%?( Duration lhs, Duration rhs ) { return (Duration)@{ lhs.tn % rhs.tn }; }
[bbe1a87]52        Duration ?%=?( Duration & lhs, Duration rhs ) { lhs = lhs % rhs; return lhs; }
53
[e0c235c]54        bool ?==?( Duration lhs, Duration rhs ) { return lhs.tn == rhs.tn; }
55        bool ?!=?( Duration lhs, Duration rhs ) { return lhs.tn != rhs.tn; }
56        bool ?<? ( Duration lhs, Duration rhs ) { return lhs.tn <  rhs.tn; }
57        bool ?<=?( Duration lhs, Duration rhs ) { return lhs.tn <= rhs.tn; }
58        bool ?>? ( Duration lhs, Duration rhs ) { return lhs.tn >  rhs.tn; }
59        bool ?>=?( Duration lhs, Duration rhs ) { return lhs.tn >= rhs.tn; }
[bbe1a87]60
[e0c235c]61        bool ?==?( Duration lhs, __attribute__((unused)) zero_t ) { return lhs.tn == 0; }
62        bool ?!=?( Duration lhs, __attribute__((unused)) zero_t ) { return lhs.tn != 0; }
63        bool ?<? ( Duration lhs, __attribute__((unused)) zero_t ) { return lhs.tn <  0; }
64        bool ?<=?( Duration lhs, __attribute__((unused)) zero_t ) { return lhs.tn <= 0; }
65        bool ?>? ( Duration lhs, __attribute__((unused)) zero_t ) { return lhs.tn >  0; }
66        bool ?>=?( Duration lhs, __attribute__((unused)) zero_t ) { return lhs.tn >= 0; }
[bbe1a87]67
[e0c235c]68        Duration abs( Duration rhs ) { return rhs.tn >= 0 ? rhs : -rhs; }
[bbe1a87]69
70        Duration ?`ns( int64_t nsec ) { return (Duration)@{ nsec }; }
71        Duration ?`us( int64_t usec ) { return (Duration)@{ usec * (TIMEGRAN / 1_000_000LL) }; }
72        Duration ?`ms( int64_t msec ) { return (Duration)@{ msec * (TIMEGRAN / 1_000LL) }; }
73        Duration ?`s( int64_t sec ) { return (Duration)@{ sec * TIMEGRAN }; }
74        Duration ?`s( double sec ) { return (Duration)@{ sec * TIMEGRAN }; }
75        Duration ?`m( int64_t min ) { return (Duration)@{ min * (60LL * TIMEGRAN) }; }
76        Duration ?`m( double min ) { return (Duration)@{ min * (60LL * TIMEGRAN) }; }
77        Duration ?`h( int64_t hours ) { return (Duration)@{ hours * (60LL * 60LL * TIMEGRAN) }; }
78        Duration ?`h( double hours ) { return (Duration)@{ hours * (60LL * 60LL * TIMEGRAN) }; }
79        Duration ?`d( int64_t days ) { return (Duration)@{ days * (24LL * 60LL * 60LL * TIMEGRAN) }; }
80        Duration ?`d( double days ) { return (Duration)@{ days * (24LL * 60LL * 60LL * TIMEGRAN) }; }
81        Duration ?`w( int64_t weeks ) { return (Duration)@{ weeks * (7LL * 24LL * 60LL * 60LL * TIMEGRAN) }; }
82        Duration ?`w( double weeks ) { return (Duration)@{ weeks * (7LL * 24LL * 60LL * 60LL * TIMEGRAN) }; }
83
[e0c235c]84        int64_t ?`ns( Duration dur ) { return dur.tn; }
85        int64_t ?`us( Duration dur ) { return dur.tn / (TIMEGRAN / 1_000_000LL); }
86        int64_t ?`ms( Duration dur ) { return dur.tn / (TIMEGRAN / 1_000LL); }
87        int64_t ?`s( Duration dur ) { return dur.tn / TIMEGRAN; }
88        int64_t ?`m( Duration dur ) { return dur.tn / (60LL * TIMEGRAN); }
89        int64_t ?`h( Duration dur ) { return dur.tn / (60LL * 60LL * TIMEGRAN); }
90        int64_t ?`d( Duration dur ) { return dur.tn / (24LL * 60LL * 60LL * TIMEGRAN); }
91        int64_t ?`w( Duration dur ) { return dur.tn / (7LL * 24LL * 60LL * 60LL * TIMEGRAN); }
92
93        Duration max( Duration lhs, Duration rhs ) { return  (lhs.tn < rhs.tn) ? rhs : lhs;}
94        Duration min( Duration lhs, Duration rhs ) { return !(rhs.tn < lhs.tn) ? lhs : rhs;}
[bbe1a87]95} // distribution
[643c6b9]96
97//######################### C timeval #########################
[2a84d06d]98
[bbe1a87]99static inline {
100        void ?{}( timeval & t ) {}
101        void ?{}( timeval & t, time_t sec, suseconds_t usec ) { t.tv_sec = sec; t.tv_usec = usec; }
102        void ?{}( timeval & t, time_t sec ) { t{ sec, 0 }; }
[ffe2fad]103        void ?{}( timeval & t, __attribute__((unused)) zero_t ) { t{ 0, 0 }; }
[6ecc079]104
[ffe2fad]105        timeval ?=?( timeval & t, __attribute__((unused)) zero_t ) { return t{ 0 }; }
[461eed2]106        timeval ?+?( timeval lhs, timeval rhs ) { return (timeval)@{ lhs.tv_sec + rhs.tv_sec, lhs.tv_usec + rhs.tv_usec }; }
107        timeval ?-?( timeval lhs, timeval rhs ) { return (timeval)@{ lhs.tv_sec - rhs.tv_sec, lhs.tv_usec - rhs.tv_usec }; }
[93c2e0a]108        bool ?==?( timeval lhs, timeval rhs ) { return lhs.tv_sec == rhs.tv_sec && lhs.tv_usec == rhs.tv_usec; }
109        bool ?!=?( timeval lhs, timeval rhs ) { return lhs.tv_sec != rhs.tv_sec || lhs.tv_usec != rhs.tv_usec; }
[bbe1a87]110} // distribution
[6ecc079]111
[643c6b9]112//######################### C timespec #########################
[6ecc079]113
[bbe1a87]114static inline {
115        void ?{}( timespec & t ) {}
116        void ?{}( timespec & t, time_t sec, __syscall_slong_t nsec ) { t.tv_sec = sec; t.tv_nsec = nsec; }
117        void ?{}( timespec & t, time_t sec ) { t{ sec, 0}; }
[ffe2fad]118        void ?{}( timespec & t, __attribute__((unused)) zero_t ) { t{ 0, 0 }; }
[6ecc079]119
[ffe2fad]120        timespec ?=?( timespec & t, __attribute__((unused)) zero_t ) { return t{ 0 }; }
[461eed2]121        timespec ?+?( timespec lhs, timespec rhs ) { return (timespec)@{ lhs.tv_sec + rhs.tv_sec, lhs.tv_nsec + rhs.tv_nsec }; }
122        timespec ?-?( timespec lhs, timespec rhs ) { return (timespec)@{ lhs.tv_sec - rhs.tv_sec, lhs.tv_nsec - rhs.tv_nsec }; }
[93c2e0a]123        bool ?==?( timespec lhs, timespec rhs ) { return lhs.tv_sec == rhs.tv_sec && lhs.tv_nsec == rhs.tv_nsec; }
124        bool ?!=?( timespec lhs, timespec rhs ) { return lhs.tv_sec != rhs.tv_sec || lhs.tv_nsec != rhs.tv_nsec; }
[bbe1a87]125} // distribution
[6ecc079]126
[8ad6533]127//######################### C itimerval #########################
128
[bbe1a87]129static inline {
130        void ?{}( itimerval & itv, Duration alarm ) with( itv ) {
131                // itimerval contains durations but but uses time data-structure timeval.
132                it_value{ alarm`s, (alarm % 1`s)`us };                  // seconds, microseconds
133                it_interval{ 0 };                                                               // 0 seconds, 0 microseconds
134        } // itimerval
[8ad6533]135
[bbe1a87]136        void ?{}( itimerval & itv, Duration alarm, Duration interval ) with( itv ) {
137                // itimerval contains durations but but uses time data-structure timeval.
138                it_value{ alarm`s, (alarm % 1`s)`us };                  // seconds, microseconds
139                it_interval{ interval`s, interval`us };                 // seconds, microseconds
140        } // itimerval
141} // distribution
[8ad6533]142
[643c6b9]143//######################### Time #########################
[6ecc079]144
[e0c235c]145void ?{}( Time & time, int year, int month = 1, int day = 1, int hour = 0, int min = 0, int sec = 0, int64_t nsec = 0 );
[bbe1a87]146static inline {
[ffe2fad]147        Time ?=?( Time & time, __attribute__((unused)) zero_t ) { return time{ 0 }; }
[bbe1a87]148
[e0c235c]149        void ?{}( Time & time, timeval t ) with( time ) { tn = (int64_t)t.tv_sec * TIMEGRAN + t.tv_usec * 1000; }
[bbe1a87]150        Time ?=?( Time & time, timeval t ) with( time ) {
[e0c235c]151                tn = (int64_t)t.tv_sec * TIMEGRAN + t.tv_usec * (TIMEGRAN / 1_000_000LL);
[bbe1a87]152                return time;
153        } // ?=?
154
[e0c235c]155        void ?{}( Time & time, timespec t ) with( time ) { tn = (int64_t)t.tv_sec * TIMEGRAN + t.tv_nsec; }
[bbe1a87]156        Time ?=?( Time & time, timespec t ) with( time ) {
[e0c235c]157                tn = (int64_t)t.tv_sec * TIMEGRAN + t.tv_nsec;
[bbe1a87]158                return time;
159        } // ?=?
160
[e0c235c]161        Time ?+?( Time & lhs, Duration rhs ) { return (Time)@{ lhs.tn + rhs.tn }; }
[bbe1a87]162        Time ?+?( Duration lhs, Time rhs ) { return rhs + lhs; }
163        Time ?+=?( Time & lhs, Duration rhs ) { lhs = lhs + rhs; return lhs; }
164
[e0c235c]165        Duration ?-?( Time lhs, Time rhs ) { return (Duration)@{ lhs.tn - rhs.tn }; }
166        Time ?-?( Time lhs, Duration rhs ) { return (Time)@{ lhs.tn - rhs.tn }; }
[bbe1a87]167        Time ?-=?( Time & lhs, Duration rhs ) { lhs = lhs - rhs; return lhs; }
[e0c235c]168        bool ?==?( Time lhs, Time rhs ) { return lhs.tn == rhs.tn; }
169        bool ?!=?( Time lhs, Time rhs ) { return lhs.tn != rhs.tn; }
170        bool ?<?( Time lhs, Time rhs ) { return lhs.tn < rhs.tn; }
171        bool ?<=?( Time lhs, Time rhs ) { return lhs.tn <= rhs.tn; }
172        bool ?>?( Time lhs, Time rhs ) { return lhs.tn > rhs.tn; }
173        bool ?>=?( Time lhs, Time rhs ) { return lhs.tn >= rhs.tn; }
174
175        int64_t ?`ns( Time t ) { return t.tn; }
[bbe1a87]176} // distribution
[6ecc079]177
[2a84d06d]178char * yy_mm_dd( Time time, char * buf );
[643c6b9]179static inline char * ?`ymd( Time time, char * buf ) {   // short form
[2a84d06d]180        return yy_mm_dd( time, buf );
181} // ymd
182
183char * mm_dd_yy( Time time, char * buf );
[643c6b9]184static inline char * ?`mdy( Time time, char * buf ) {   // short form
[2a84d06d]185        return mm_dd_yy( time, buf );
186} // mdy
187
188char * dd_mm_yy( Time time, char * buf );
[643c6b9]189static inline char * ?`dmy( Time time, char * buf ) {   // short form
[2a84d06d]190        return dd_mm_yy( time, buf );;
191} // dmy
192
193size_t strftime( char * buf, size_t size, const char * fmt, Time time );
194
[273cde6]195//------------------------- timeval (cont) -------------------------
196
197static inline void ?{}( timeval & t, Time time ) with( t, time ) {
[e0c235c]198        tv_sec = tn / TIMEGRAN;                                                         // seconds
199        tv_usec = tn % TIMEGRAN / (TIMEGRAN / 1_000_000LL);     // microseconds
[273cde6]200} // ?{}
201
202//------------------------- timespec (cont) -------------------------
203
204static inline void ?{}( timespec & t, Time time ) with( t, time ) {
[e0c235c]205        tv_sec = tn / TIMEGRAN;                                                         // seconds
206        tv_nsec = tn % TIMEGRAN;                                                        // nanoseconds
[273cde6]207} // ?{}
208
[6ecc079]209// Local Variables: //
210// mode: c //
211// tab-width: 4 //
212// End: //
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