1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 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 13 * the 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 /* 21 * hugetlb.h - common definitions for the hugepage tests 22 */ 23 24 #ifndef __HUGETLB_H 25 #define __HUGETLB_H 26 27 #include <stdlib.h> 28 #include <sys/ipc.h> 29 #include <sys/shm.h> 30 #include <errno.h> 31 #include <sys/wait.h> 32 #include "tst_test.h" 33 #include "old_tmpdir.h" 34 #include "mem.h" 35 36 #define SHM_RD 0400 37 #define SHM_WR 0200 38 #define SHM_RW (SHM_RD|SHM_WR) 39 40 #ifndef SHM_HUGETLB 41 #define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */ 42 #endif 43 44 /* 45 * to get the lower nine permission bits 46 * from shmid_ds.ipc_perm.mode 47 */ 48 #define MODE_MASK 0x01FF 49 50 key_t shmkey; /* an IPC key generated by ftok() */ 51 52 int getipckey(void); 53 int getuserid(char *user); 54 void rm_shm(int shm_id); 55 56 char *nr_opt; 57 char *Hopt; 58 void check_hugepage(void); 59 long save_nr_hugepages(void); 60 void restore_nr_hugepages(void); 61 62 #endif /* hugetlb.h */ 63