1 /* 2 (C) Copyright IBM Corp. 2007 3 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 9 * Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 * Redistributions in binary form must reproduce the above copyright 12 notice, this list of conditions and the following disclaimer in the 13 documentation and/or other materials provided with the distribution. 14 * Neither the name of IBM nor the names of its contributors may be 15 used to endorse or promote products derived from this software without 16 specific prior written permission. 17 18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 POSSIBILITY OF SUCH DAMAGE. 29 30 */ 31 32 #ifndef _MMAN_H_ 33 #define _MMAN_H_ 34 35 #include <sys/types.h> 36 37 /* 38 * Prots to 'mmap'. 39 */ 40 #define PROT_READ 0x1 41 #define PROT_WRITE 0x2 42 #define PROT_EXEC 0x4 43 #define PROT_NONE 0x0 44 /* 45 * Flags to 'mmap'. 46 */ 47 #define MAP_SHARED 0x001 48 #define MAP_PRIVATE 0x002 49 #define MAP_FIXED 0x010 50 #define MAP_FILE 0x000 51 #define MAP_ANONYMOUS 0x020 52 #define MAP_ANON MAP_ANONYMOUS 53 #define MAP_GROWSDOWN 0x0100 54 #define MAP_DENYWRITE 0x0800 55 #define MAP_EXECUTABLE 0x1000 56 #define MAP_LOCKED 0x0080 57 #define MAP_NORESERVE 0x0040 58 /* 59 * Failed flag from 'mmap'. 60 */ 61 #define MAP_FAILED_EADDR ((unsigned long long) (-1LL)) 62 /* 63 * Flags to 'mremap'. 64 */ 65 #define MREMAP_MAYMOVE 1 66 /* 67 * Flags to 'msync'. 68 */ 69 #define MS_ASYNC 1 70 #define MS_SYNC 4 71 #define MS_INVALIDATE 2 72 73 74 extern int shm_open(const char *name, int oflag, mode_t mode); 75 extern int shm_unlink(const char * name); 76 77 unsigned long long mmap_eaddr(unsigned long long start, size_t length, int 78 prot, int flags, int fd, off_t offset); 79 unsigned long long mremap_eaddr(unsigned long long old_addr, size_t 80 old_size, size_t new_size, int flags); 81 unsigned long long msync_eaddr(unsigned long long start, size_t length, 82 int flags); 83 unsigned long long munmap_eaddr(unsigned long long start, size_t length); 84 85 #endif /* _MMAN_H_ */ 86