1*19c3b8c2SApple OSS Distributions /*
2*19c3b8c2SApple OSS Distributions * Copyright (c) 2004, 2006 Apple Computer, Inc. All rights reserved.
3*19c3b8c2SApple OSS Distributions *
4*19c3b8c2SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@
5*19c3b8c2SApple OSS Distributions *
6*19c3b8c2SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*19c3b8c2SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*19c3b8c2SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*19c3b8c2SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at
10*19c3b8c2SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this
11*19c3b8c2SApple OSS Distributions * file.
12*19c3b8c2SApple OSS Distributions *
13*19c3b8c2SApple OSS Distributions * The Original Code and all software distributed under the License are
14*19c3b8c2SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*19c3b8c2SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*19c3b8c2SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*19c3b8c2SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*19c3b8c2SApple OSS Distributions * Please see the License for the specific language governing rights and
19*19c3b8c2SApple OSS Distributions * limitations under the License.
20*19c3b8c2SApple OSS Distributions *
21*19c3b8c2SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@
22*19c3b8c2SApple OSS Distributions */
23*19c3b8c2SApple OSS Distributions #ifndef NO_SYSCALL_LEGACY
24*19c3b8c2SApple OSS Distributions
25*19c3b8c2SApple OSS Distributions #define _NONSTD_SOURCE
26*19c3b8c2SApple OSS Distributions #include <sys/cdefs.h>
27*19c3b8c2SApple OSS Distributions
28*19c3b8c2SApple OSS Distributions #include <sys/types.h>
29*19c3b8c2SApple OSS Distributions #include <sys/mman.h>
30*19c3b8c2SApple OSS Distributions #include <mach/vm_param.h>
31*19c3b8c2SApple OSS Distributions
32*19c3b8c2SApple OSS Distributions int __msync_nocancel(void *, size_t, int);
33*19c3b8c2SApple OSS Distributions
34*19c3b8c2SApple OSS Distributions /*
35*19c3b8c2SApple OSS Distributions * Stub function for legacy version
36*19c3b8c2SApple OSS Distributions */
37*19c3b8c2SApple OSS Distributions int
msync(void * addr,size_t len,int flags)38*19c3b8c2SApple OSS Distributions msync(void *addr, size_t len, int flags)
39*19c3b8c2SApple OSS Distributions {
40*19c3b8c2SApple OSS Distributions size_t offset;
41*19c3b8c2SApple OSS Distributions
42*19c3b8c2SApple OSS Distributions /*
43*19c3b8c2SApple OSS Distributions * Page-align "addr" since the system now requires it
44*19c3b8c2SApple OSS Distributions * for standards compliance.
45*19c3b8c2SApple OSS Distributions * Update "len" to reflect the alignment.
46*19c3b8c2SApple OSS Distributions */
47*19c3b8c2SApple OSS Distributions offset = ((uintptr_t) addr) & PAGE_MASK;
48*19c3b8c2SApple OSS Distributions addr = (void *) (((uintptr_t) addr) & ~PAGE_MASK);
49*19c3b8c2SApple OSS Distributions len += offset;
50*19c3b8c2SApple OSS Distributions return __msync_nocancel(addr, len, flags);
51*19c3b8c2SApple OSS Distributions }
52*19c3b8c2SApple OSS Distributions
53*19c3b8c2SApple OSS Distributions #endif /* NO_SYSCALL_LEGACY */
54