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vm_12.c revision 1.18 
      1 /*	$NetBSD: vm_12.c,v 1.18 2008/05/29 14:51:26 mrg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: vm_12.c,v 1.18 2008/05/29 14:51:26 mrg Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/mount.h>		/* needed for next include! */
     35 #include <sys/syscallargs.h>
     36 
     37 #include <sys/swap.h>
     38 #include <sys/mman.h>
     39 
     40 int
     41 compat_12_sys_swapon(struct lwp *l, const struct compat_12_sys_swapon_args *uap, register_t *retval)
     42 {
     43 	/* {
     44 		syscallarg(const char *) name;
     45 	} */
     46 	struct sys_swapctl_args ua;
     47 
     48 	SCARG(&ua, cmd) = SWAP_ON;
     49 	/*XXXUNCONST*/
     50 	SCARG(&ua, arg) = __UNCONST(SCARG(uap, name));
     51 	SCARG(&ua, misc) = 0;	/* priority */
     52 	return (sys_swapctl(l, &ua, retval));
     53 }
     54 
     55 int
     56 compat_12_sys_msync(struct lwp *l, const struct compat_12_sys_msync_args *uap, register_t *retval)
     57 {
     58 	/* {
     59 		syscallarg(void *) addr;
     60 		syscallarg(size_t) len;
     61 	} */
     62 	struct sys___msync13_args ua;
     63 
     64 	SCARG(&ua, addr) = SCARG(uap, addr);
     65 	SCARG(&ua, len) = SCARG(uap, len);
     66 	SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
     67 	return (sys___msync13(l, &ua, retval));
     68 }
     69