kernel2/include/ipc.h

   1 /*
   2     meinOS - A unix-like x86 microkernel operating system
   3     Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.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 3 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, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #ifndef _IPC_H_
  20 #define _IPC_H_
  21
  22 #include <sys/types.h>
  23 #include <llist.h>
  24 #include <procm.h>
  25
  26 #define IPC_PRIVATE 0
  27
  28 #define IPC_MSG 2
  29 #define IPC_SEM 3
  30 #define IPC_SHM 4
  31
  32 #define IPC_CREAT  0x201
  33 #define IPC_EXCL   0x202
  34 #define IPC_NOWAIT 0x203
  35
  36 typedef struct {
  37   int type;
  38   id_t id;
  39   key_t key;
  40   proc_t *owner;
  41   proc_t *creator;
  42   mode_t mode;
  43 } ipc_obj_t;
  44
  45 llist_t ipc_objects;
  46 id_t ipc_lastid;
  47
  48 int ipc_init();
  49 void *ipc_find(key_t key,id_t id,int type);
  50
  51 #endif