1*aca3beaaSApple OSS Distributions /*
2*aca3beaaSApple OSS Distributions * Copyright (c) 2004, 2006 Apple Computer, Inc. All rights reserved.
3*aca3beaaSApple OSS Distributions *
4*aca3beaaSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@
5*aca3beaaSApple OSS Distributions *
6*aca3beaaSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*aca3beaaSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*aca3beaaSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*aca3beaaSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at
10*aca3beaaSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this
11*aca3beaaSApple OSS Distributions * file.
12*aca3beaaSApple OSS Distributions *
13*aca3beaaSApple OSS Distributions * The Original Code and all software distributed under the License are
14*aca3beaaSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*aca3beaaSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*aca3beaaSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*aca3beaaSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*aca3beaaSApple OSS Distributions * Please see the License for the specific language governing rights and
19*aca3beaaSApple OSS Distributions * limitations under the License.
20*aca3beaaSApple OSS Distributions *
21*aca3beaaSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@
22*aca3beaaSApple OSS Distributions */
23*aca3beaaSApple OSS Distributions #ifndef NO_SYSCALL_LEGACY
24*aca3beaaSApple OSS Distributions
25*aca3beaaSApple OSS Distributions #define _NONSTD_SOURCE
26*aca3beaaSApple OSS Distributions #include <sys/cdefs.h>
27*aca3beaaSApple OSS Distributions
28*aca3beaaSApple OSS Distributions #include <sys/types.h>
29*aca3beaaSApple OSS Distributions #include <sys/mman.h>
30*aca3beaaSApple OSS Distributions #include <mach/vm_param.h>
31*aca3beaaSApple OSS Distributions
32*aca3beaaSApple OSS Distributions int __msync_nocancel(void *, size_t, int);
33*aca3beaaSApple OSS Distributions
34*aca3beaaSApple OSS Distributions /*
35*aca3beaaSApple OSS Distributions * Stub function for legacy version
36*aca3beaaSApple OSS Distributions */
37*aca3beaaSApple OSS Distributions int
msync(void * addr,size_t len,int flags)38*aca3beaaSApple OSS Distributions msync(void *addr, size_t len, int flags)
39*aca3beaaSApple OSS Distributions {
40*aca3beaaSApple OSS Distributions size_t offset;
41*aca3beaaSApple OSS Distributions
42*aca3beaaSApple OSS Distributions /*
43*aca3beaaSApple OSS Distributions * Page-align "addr" since the system now requires it
44*aca3beaaSApple OSS Distributions * for standards compliance.
45*aca3beaaSApple OSS Distributions * Update "len" to reflect the alignment.
46*aca3beaaSApple OSS Distributions */
47*aca3beaaSApple OSS Distributions offset = ((uintptr_t) addr) & PAGE_MASK;
48*aca3beaaSApple OSS Distributions addr = (void *) (((uintptr_t) addr) & ~PAGE_MASK);
49*aca3beaaSApple OSS Distributions len += offset;
50*aca3beaaSApple OSS Distributions return __msync_nocancel(addr, len, flags);
51*aca3beaaSApple OSS Distributions }
52*aca3beaaSApple OSS Distributions
53*aca3beaaSApple OSS Distributions #endif /* NO_SYSCALL_LEGACY */
54