wmmemfree/wmmemfree.c

   1 /*
   2  *  wmmemfree - dockapp which displays memory usage
   3  *
   4  *  Copyright (C) 2003 Draghicioiu Mihai <misuceldestept@go.ro>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include <bits/types/struct_timeval.h>
  22 #include <stdio.h>
  23 #include <signal.h>
  24 #include <sys/time.h>
  25
  26 #include "wmmemfree.h"
  27 #include "dockapp.h"
  28 #include "draw.h"
  29 #include "options.h"
  30
  31 int    argc;
  32 char **argv;
  33 int    exitloop = 0;
  34
  35 void handle_timer(int sig)
  36 {
  37  if(sig == SIGALRM)
  38  {
  39   draw_window();
  40  }
  41 }
  42
  43 void start_timer()
  44 {
  45  struct itimerval tv;
  46
  47  tv.it_value.tv_sec = 2; /* give 2 seconds for safety */
  48  tv.it_value.tv_usec = 0;
  49  tv.it_interval.tv_sec = 0;
  50  tv.it_interval.tv_usec = opt_milisecs * 1000;
  51  signal(SIGALRM, handle_timer);
  52  setitimer(ITIMER_REAL, &tv, NULL);
  53 }
  54
  55 void stop_timer()
  56 {
  57  struct itimerval tv;
  58
  59  signal(SIGALRM, SIG_IGN);
  60  tv.it_value.tv_sec = 0;
  61  tv.it_value.tv_usec = 0;
  62  tv.it_interval.tv_sec = 0;
  63  tv.it_interval.tv_usec = 0;
  64  setitimer(ITIMER_REAL, &tv, NULL);
  65 }
  66
  67 int main(int carg, char **varg)
  68 {
  69  argc = carg;
  70  argv = varg;
  71  parse_args();
  72  make_window();
  73  start_timer();
  74  while(!exitloop)
  75  {
  76   process_events();
  77  }
  78  stop_timer();
  79  free_stuff();
  80  return 0;
  81 }