server/main.h

   1 /*
   2  * main.h
   3  * This file is part of LCDd, the lcdproc server.
   4  *
   5  * This file is released under the GNU General Public License. Refer to the
   6  * COPYING file distributed with this package.
   7  *
   8  * Copyright (c) 1999, William Ferrell, Scott Scriven
   9  *               2001, Joris Robijn
  10  *
  11  */
  12
  13 #ifndef MAIN_H
  14 #define MAIN_H
  15
  16 #ifdef HAVE_CONFIG_H
  17 # include "config.h"
  18 #endif
  19
  20 /*
  21   contains a few things that other parts of the program might want
  22   to know about...
  23  */
  24
  25 extern char *version;
  26 extern char *protocol_version;
  27 extern char *build_date;
  28
  29 /* You should be able to modify the following freqencies... */
  30 #define RENDER_FREQ 8
  31 /* We want 8 frames per second */
  32 #define PROCESS_FREQ 32
  33 /* And 32 times per second processing of messages and keypresses. */
  34 #define MAX_RENDER_LAG_FRAMES 16
  35 /* Allow the rendering strokes to lag behind this many frames.
  36  * More lag will not be corrected, but will cause slow-down. */
  37 #define TIME_UNIT (1e6/RENDER_FREQ)
  38 /* Variable from stone age, still used a lot.  */
  39
  40 extern long int timer;
  41 /* 32 bits at 8Hz will overflow in 2 ^ 29 = 5e8 seconds = 17 years.
  42  * If you get an overflow, please mail us and we will fix this personally
  43  * for you ! */
  44
  45 /**** Configuration variables ****/
  46 /* Only configuration items that are settable from the command line should
  47  * be mentioned here. See main.c.
  48  */
  49
  50 extern unsigned int bind_port;
  51 extern char bind_addr[];        /* Do not preinit these strings as they will occupy */
  52 extern char configfile[];       /* a lot of space in the executable. */
  53 extern char user[];             /* The values will be overwritten anyway... */
  54
  55 /* The drivers and their driver parameters */
  56 extern char *drivernames[];
  57 extern int num_drivers;
  58
  59 /* End of configuration variables */
  60
  61 /* Defines for having 'unset' values*/
  62 #define UNSET_INT       -1
  63 #define UNSET_STR       "\01"
  64
  65 #endif