nucleus/library/processes/letter.cpp

   1 /*****************************************************************************\
   2 *                                                                             *
   3 *  Name   : letter                                                            *
   4 *  Author : Chris Koeritz                                                     *
   5 *                                                                             *
   6 *******************************************************************************
   7 * Copyright (c) 1998-$now By Author.  This program is free software; you can  *
   8 * redistribute it and/or modify it under the terms of the GNU General Public  *
   9 * License as published by the Free Software Foundation; either version 2 of   *
  10 * the License or (at your option) any later version.  This is online at:      *
  11 *     http://www.fsf.org/copyleft/gpl.html                                    *
  12 * Please send any updates to: fred@gruntose.com                               *
  13 \*****************************************************************************/
  14
  15 #include "letter.h"
  16
  17 #include <basis/astring.h>
  18 #include <basis/functions.h>
  19 #include <timely/time_stamp.h>
  20
  21 using namespace basis;
  22 using namespace timely;
  23
  24 namespace processes {
  25
  26 letter::letter(int type, int start_after)
  27 : _type(type),
  28   _ready_time(new time_stamp(start_after))
  29 {}
  30
  31 letter::letter(const letter &to_copy)
  32 : _type(to_copy._type),
  33   _ready_time(new time_stamp(*to_copy._ready_time))
  34 {
  35 }
  36
  37 letter::~letter()
  38 {
  39   _type = 0;
  40   WHACK(_ready_time);
  41 }
  42
  43 bool letter::ready_to_send() { return time_stamp() >= *_ready_time; }
  44
  45 void letter::set_ready_time(int start_after)
  46 { *_ready_time = time_stamp(start_after); }
  47
  48 letter &letter::operator =(const letter &to_copy)
  49 {
  50   if (this == &to_copy) return *this;
  51   _type = to_copy._type;
  52   *_ready_time = *to_copy._ready_time;
  53   return *this;
  54 }
  55
  56 } //namespace.
  57