src/engine.h

   1 /* vim:tw=78:ts=8:sw=4:set ft=c:  */
   2 /*
   3     Copyright (C) 2002-2018 Ben Kibbey <bjk@luxsci.net>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19 #ifndef ENGINE_H
  20 #define ENGINE_H
  21
  22 /*
  23  * Solaris 5.9
  24  */
  25 #ifndef _PATH_DEV
  26 #define _PATH_DEV       "/dev/"
  27 #endif
  28
  29 #define RETURN(d)       {d->engine->status = ENGINE_READY; return;}
  30
  31 enum
  32 {
  33   ENGINE_OFFLINE = -1, ENGINE_READY, ENGINE_THINKING, ENGINE_INITIALIZING
  34 };
  35
  36 enum
  37 {
  38   HUMAN, ENGINE
  39 };
  40
  41 enum
  42 {
  43   ENGINE_IN_FD,
  44   ENGINE_OUT_FD,
  45 };
  46
  47 struct queue_s
  48 {
  49   char *line;
  50   int status;
  51 };
  52
  53 struct engine_s
  54 {
  55   int fd[2];
  56   pid_t pid;
  57   int status;
  58   struct queue_s **queue;
  59   char **enginebuf;
  60   char *iobuf;
  61   int len;
  62 };
  63
  64 int send_signal_to_engine (pid_t, int);
  65 int send_to_engine (GAME g, int, const char *format, ...);
  66 int start_chess_engine (GAME);
  67 void set_engine_defaults (GAME, wchar_t **);
  68 void stop_engine (GAME);
  69 void append_enginebuf (GAME, char *);
  70 void send_engine_command (GAME g);
  71 void add_engine_command (GAME g, int s, const char *fmt, ...);
  72 void parse_engine_output (GAME g, char *str);
  73 int init_chess_engine (GAME g);
  74
  75 #endif