a145fea480
__msync13. The old one got moved to compat_12. Wrap __msync13 up to look like FreeBSD's msync and be careful to respect the fact that MS_SYNC is 0x0000 on FreeBSD, but 0x0004 on NetBSD.
58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
/* $Id$
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*
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* Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by John Birrell.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/types.h>
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#include <sys/mman.h>
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/* NetBSD uses a different syscall and the flags use different numbers! */
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int __msync13 __P((void *, size_t, int));
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int
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msync(void *addr, size_t size, int nflags)
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{
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int flags = 0;
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/* Convert FreeBSD flags to NetBSD flags (sigh): */
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if (nflags & MS_ASYNC)
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/* MS_ASYNC: */
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flags |= 0x01;
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else
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/* MS_SYNC: */
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flags |= 0x04;
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if (nflags & MS_INVALIDATE)
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flags |= 0x02;
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/* Perform the syscall: */
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return(__msync13(addr, size, flags));
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}
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