1 /* 2 * Copyright (c) 2016 Xiao Yang <yangx.jy@cn.fujitsu.com> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 * the GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. 16 */ 17 18 /* 19 * common definitions for the IPC system calls. 20 */ 21 22 #ifndef __LIBNEWIPC_H 23 #define __LIBNEWIPC_H 1 24 25 #define MSG_RD 0400 26 #define MSG_WR 0200 27 #define MSG_RW (MSG_RD | MSG_WR) 28 #define MSGSIZE 1024 29 #define MSGTYPE 1 30 #define NR_MSGQUEUES 16 31 #define min(a, b) (((a) < (b)) ? (a) : (b)) 32 33 #define SEM_RD 0400 34 #define SEM_ALT 0200 35 #define SEM_RA (SEM_RD | SEM_ALT) 36 #define PSEMS 10 37 38 #define SHM_RD 0400 39 #define SHM_WR 0200 40 #define SHM_RW (SHM_RD | SHM_WR) 41 #define SHM_SIZE 2048 42 #define INT_SIZE 4 43 #define MODE_MASK 0x01FF 44 45 key_t getipckey(const char *file, const int lineno); 46 #define GETIPCKEY() \ 47 getipckey(__FILE__, __LINE__) 48 49 int get_used_queues(const char *file, const int lineno); 50 #define GET_USED_QUEUES() \ 51 get_used_queues(__FILE__, __LINE__) 52 53 #endif /* newlibipc.h */ 54