projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 2d21ac55 | 1 | /* |
| 6d2010ae | 2 | * Copyright (c) 2004, 2006 Apple Computer, Inc. All rights reserved. |
| 2d21ac55 A |
3 | * |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 0a7de745 | 5 | * |
| 2d21ac55 A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. Please obtain a copy of the License at | |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 11 | * file. | |
| 0a7de745 | 12 | * |
| 2d21ac55 A |
13 | * The Original Code and all software distributed under the License are |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 18 | * Please see the License for the specific language governing rights and | |
| 19 | * limitations under the License. | |
| 0a7de745 | 20 | * |
| 2d21ac55 A |
21 | * @APPLE_LICENSE_HEADER_END@ |
| 22 | */ | |
| 6d2010ae | 23 | #ifndef NO_SYSCALL_LEGACY |
| 2d21ac55 | 24 | |
| 6d2010ae A |
25 | #define _NONSTD_SOURCE |
| 26 | #include <sys/cdefs.h> | |
| 2d21ac55 | 27 | |
| 6d2010ae A |
28 | #include <sys/types.h> |
| 29 | #include <sys/mman.h> | |
| 30 | #include <mach/vm_param.h> | |
| 2d21ac55 | 31 | |
| 6d2010ae A |
32 | int __msync_nocancel(void *, size_t, int); |
| 33 | ||
| 34 | /* | |
| 35 | * Stub function for legacy version | |
| 36 | */ | |
| 37 | int | |
| 38 | msync(void *addr, size_t len, int flags) | |
| 39 | { | |
| 0a7de745 | 40 | size_t offset; |
| 6d2010ae A |
41 | |
| 42 | /* | |
| 43 | * Page-align "addr" since the system now requires it | |
| 44 | * for standards compliance. | |
| 45 | * Update "len" to reflect the alignment. | |
| 46 | */ | |
| 47 | offset = ((uintptr_t) addr) & PAGE_MASK; | |
| 48 | addr = (void *) (((uintptr_t) addr) & ~PAGE_MASK); | |
| 49 | len += offset; | |
| 50 | return __msync_nocancel(addr, len, flags); | |
| 51 | } | |
| 52 | ||
| 53 | #endif /* NO_SYSCALL_LEGACY */ |