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# timeval.h

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    00001 /*  Inti: Integrated Foundation Classes
    00002  *  Copyright (C) 2003 The Inti Development Team.
    00003  *
    00004  *  This program is free software; you can redistribute it and/or modify
    00005  *  it under the terms of the GNU General Public License as published by
    00006  *  the Free Software Foundation; either version 2 of the License, or
    00007  *  (at your option) any later version.
    00008  *
    00009  *  This program is distributed in the hope that it will be useful,
    00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00012  *  GNU Library General Public License for more details.
    00013  *
    00014  *  You should have received a copy of the GNU Library General Public License
    00015  *  along with this program; if not, write to the Free Software
    00016  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    00017  */
    00018
    00024
    00025 #ifndef INTI_G_TIME_VAL_H
    00026 #define INTI_G_TIME_VAL_H
    00027
    00028 #ifndef INTI_OBJECT_H
    00029 #include <inti/object.h>
    00030 #endif
    00031
    00032 #ifndef __G_TYPES_H__
    00033 #include <glib/gtypes.h>
    00034 #endif
    00035
    00036 namespace Inti {
    00037
    00038 namespace G {
    00039
    00040 class TimeVal;
    00041
    00044
    00045 TimeVal get_current_time();
    00048
    00049 void usleep(unsigned long microseconds);
    00056
    00058
    00064
    00065 class TimeVal
    00066 {
    00067         GTimeVal timeval_;
    00068
    00069 public:
    00072
    00073         TimeVal();
    00075
    00076         TimeVal(long seconds, long microseconds);
    00084
    00085         TimeVal(const double& timeval);
    00092
    00093         TimeVal(const GTimeVal& timeval);
    00096
    00100
    00101         GTimeVal* g_time_val() const { return const_cast<GTimeVal*>(&timeval_); }
    00103
    00104         operator GTimeVal* () const;
    00106
    00107         long seconds() const { return timeval_.tv_sec; }
    00109
    00110         long microseconds() const { return timeval_.tv_usec; }
    00112
    00113         double get_double() const;
    00119
    00120         bool equal(const TimeVal& other) const;
    00124
    00125         bool operator==(const TimeVal& other);
    00129
    00130         bool operator!=(const TimeVal& other);
    00134
    00135         bool operator<(const TimeVal& other);
    00139
    00140         bool operator<=(const TimeVal& other);
    00144
    00145         bool operator>(const TimeVal& other);
    00149
    00150         bool operator>=(const TimeVal& other);
    00154
    00158
    00159         void add(long microseconds);
    00162
    00163         void add(long seconds, long microseconds);
    00171
    00172         void add(const TimeVal& other);
    00175
    00176         void subtract(const TimeVal& other);
    00179
    00180         long difference(const TimeVal& other);
    00184
    00185         TimeVal& operator+=(long microseconds);
    00189
    00190         TimeVal& operator+=(const TimeVal& other);
    00194
    00195         TimeVal& operator-=(long microseconds);
    00199
    00200         TimeVal& operator-=(const TimeVal& other);
    00204
    00206 };
    00207
    00208 inline bool
    00209 TimeVal::operator==(const TimeVal& other)
    00210 {
    00211         return equal(other);
    00212 }
    00213
    00214 inline bool
    00215 TimeVal::operator!=(const TimeVal& other)
    00216 {
    00217         return !equal(other);
    00218 }
    00219
    00220 inline bool
    00221 TimeVal::operator<=(const TimeVal& other)
    00222 {
    00223         return operator==(other) || operator<(other);
    00224 }
    00225
    00226 inline bool
    00227 TimeVal::operator>=(const TimeVal& other)
    00228 {
    00229         return operator==(other) || operator>(other);
    00230 }
    00231
    00234
    00235 inline const TimeVal
    00236 operator+(const TimeVal& lhs, long microseconds)
    00237 {
    00238         return TimeVal(lhs) += microseconds;
    00239 }
    00241
    00242 inline const TimeVal
    00243 operator+(const TimeVal& lhs, const TimeVal& rhs)
    00244 {
    00245         return TimeVal(lhs) += rhs;
    00246 }
    00248
    00252
    00253 inline const TimeVal
    00254 operator-(const TimeVal& lhs, long microseconds)
    00255 {
    00256         return TimeVal(lhs) -= microseconds;
    00257 }
    00259
    00260 inline const TimeVal
    00261 operator-(const TimeVal& lhs, const TimeVal& rhs)
    00262 {
    00263         return TimeVal(lhs) -= rhs;
    00264 }
    00266
    00268
    00269 } // namespace G
    00270
    00271 } // namespace Inti
    00272
    00273 #endif // INTI_G_TIMER_H
    00274
    00275
    00276

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