1 /* 2 * memtoy: segment.h - memory segments interface 3 */ 4 /* 5 * Copyright (c) 2005 Hewlett-Packard, Inc 6 * All rights reserved. 7 */ 8 9 /* 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 */ 24 25 #ifndef _MEMTOY_SEGMENT_H_ 26 #define _MEMTOY_SEGMENT_H_ 27 28 /* 29 * a "memory segment" known to memtoy 30 */ 31 typedef enum { 32 SEGT_NONE=0, /* unused segment */ 33 SEGT_ANON=1, /* anonymous -- MAP_ANON */ 34 SEGT_FILE=2, 35 SEGT_SHM=3, 36 SEGT_NTYPES 37 } seg_type_t; 38 39 struct segment; 40 typedef struct segment segment_t; 41 42 /* 43 * range: optional (offset, length) arguments 44 */ 45 typedef struct range { 46 off_t offset; 47 size_t length; 48 } range_t; 49 50 struct global_context; 51 52 extern void segment_init(struct global_context *); 53 extern void segment_cleanup(struct global_context *); 54 55 extern int segment_register(seg_type_t, char*, range_t*, int); 56 extern int segment_show(char*); 57 extern int segment_remove(char*); 58 extern int segment_map(char*, range_t*, int); 59 extern int segment_unmap(char*); 60 extern int segment_touch(char*, range_t*, int); 61 extern int segment_mbind(char*, range_t*, int, nodemask_t*, int); 62 extern int segment_location(char*, range_t*); 63 64 #endif 65
