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Annotation of sys/compat/common/compat_vm.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: compat_vm.c,v 1.4 2003/08/06 21:08:06 millert Exp $   */
        !             2: /*     $NetBSD: vm_12.c,v 1.8 1997/10/20 22:05:22 thorpej Exp $        */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1997 Matthew R. Green
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. The name of the author may not be used to endorse or promote products
        !            17:  *    derived from this software without specific prior written permission.
        !            18:  *
        !            19:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            20:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            21:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            22:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            23:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
        !            24:  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
        !            25:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
        !            26:  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
        !            27:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            29:  * SUCH DAMAGE.
        !            30:  */
        !            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_25_sys_swapon(p, v, retval)
        !            42:        struct proc *p;
        !            43:        void *v;
        !            44:        register_t *retval;
        !            45: {
        !            46:        struct sys_swapctl_args ua;
        !            47:        struct compat_25_sys_swapon_args /* {
        !            48:                syscallarg(const char *) name;
        !            49:        } */ *uap = v;
        !            50:
        !            51:        SCARG(&ua, cmd) = SWAP_ON;
        !            52:        SCARG(&ua, arg) = (void *)SCARG(uap, name);
        !            53:        SCARG(&ua, misc) = 0;   /* priority */
        !            54:        return (sys_swapctl(p, &ua, retval));
        !            55: }
        !            56:
        !            57: int
        !            58: compat_25_sys_omsync(p, v, retval)
        !            59:        struct proc *p;
        !            60:        void *v;
        !            61:        register_t *retval;
        !            62: {
        !            63:        struct sys_msync_args ua;
        !            64:        struct compat_25_sys_omsync_args /* {
        !            65:                syscallarg(caddr_t) addr;
        !            66:                syscallarg(size_t) len;
        !            67:        } */ *uap = v;
        !            68:
        !            69:        SCARG(&ua, addr) = SCARG(uap, addr);
        !            70:        SCARG(&ua, len) = SCARG(uap, len);
        !            71:        SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
        !            72:        return (sys_msync(p, &ua, retval));
        !            73: }