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netbsd32_select.c revision 1.7
      1 /*	$NetBSD: netbsd32_select.c,v 1.7 2005/07/09 22:40:13 cube Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998, 2001 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  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/cdefs.h>
     32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_select.c,v 1.7 2005/07/09 22:40:13 cube Exp $");
     33 
     34 #include <sys/param.h>
     35 #include <sys/systm.h>
     36 #include <sys/malloc.h>
     37 #include <sys/mount.h>
     38 #include <sys/time.h>
     39 #include <sys/vnode.h>
     40 #include <sys/file.h>
     41 #include <sys/filedesc.h>
     42 #include <sys/poll.h>
     43 #include <sys/select.h>
     44 
     45 #include <sys/proc.h>
     46 
     47 #include <net/if.h>
     48 
     49 #include <compat/netbsd32/netbsd32.h>
     50 #include <compat/netbsd32/netbsd32_syscall.h>
     51 #include <compat/netbsd32/netbsd32_syscallargs.h>
     52 #include <compat/netbsd32/netbsd32_conv.h>
     53 
     54 int
     55 netbsd32_select(struct lwp *l, void *v, register_t *retval)
     56 {
     57 	struct netbsd32_select_args /* {
     58 		syscallarg(int) nd;
     59 		syscallarg(netbsd32_fd_setp_t) in;
     60 		syscallarg(netbsd32_fd_setp_t) ou;
     61 		syscallarg(netbsd32_fd_setp_t) ex;
     62 		syscallarg(netbsd32_timevalp_t) tv;
     63 	} */ *uap = v;
     64 	int error;
     65 	struct netbsd32_timeval tv32;
     66 	struct timeval atv, *tv = NULL;
     67 
     68 	if (SCARG(uap, tv)) {
     69 		if ((error = copyin(NETBSD32PTR64(SCARG(uap, tv)),
     70 		    (caddr_t)&tv32, sizeof(tv32))) != 0)
     71 			return error;
     72 		netbsd32_to_timeval(&tv32, &atv);
     73 		tv = &atv;
     74 	}
     75 
     76 	return selcommon(l, retval, SCARG(uap, nd), NETBSD32PTR64(SCARG(uap, in)),
     77 	    NETBSD32PTR64(SCARG(uap, ou)), NETBSD32PTR64(SCARG(uap, ex)), tv,
     78 	    NULL);
     79 }
     80 
     81 int
     82 netbsd32_pselect(l, v, retval)
     83 	struct lwp *l;
     84 	void *v;
     85 	register_t *retval;
     86 {
     87 	struct netbsd32_pselect_args /* {
     88 		syscallarg(int) nd;
     89 		syscallarg(netbsd32_fd_setp_t) in;
     90 		syscallarg(netbsd32_fd_setp_t) ou;
     91 		syscallarg(netbsd32_fd_setp_t) ex;
     92 		syscallarg(const netbsd32_timespecp_t) ts;
     93 		syscallarg(const netbsd32_sigsetp_t) mask;
     94 	} */ *uap = v;
     95 	int error;
     96 	struct netbsd32_timespec ts32;
     97 	struct timespec ts;
     98 	struct timeval atv, *tv = NULL;
     99 	sigset_t amask, *mask = NULL;
    100 
    101 	if (SCARG(uap, ts)) {
    102 		if ((error = copyin(NETBSD32PTR64(SCARG(uap, ts)),
    103 		    (caddr_t)&ts32, sizeof(ts32))) != 0)
    104 			return error;
    105 		netbsd32_to_timespec(&ts32, &ts);
    106 		atv.tv_sec = ts.tv_sec;
    107 		atv.tv_usec = ts.tv_nsec / 1000;
    108 		tv = &atv;
    109 	}
    110 	if (SCARG(uap, mask)) {
    111 		if ((error = copyin(NETBSD32PTR64(SCARG(uap, mask)),
    112 		    (caddr_t)&amask, sizeof(amask))) != 0)
    113 			return error;
    114 		mask = &amask;
    115 	}
    116 
    117 	return selcommon(l, retval, SCARG(uap, nd), NETBSD32PTR64(SCARG(uap, in)),
    118 	    NETBSD32PTR64(SCARG(uap, ou)), NETBSD32PTR64(SCARG(uap, ex)), tv,
    119 	    mask);
    120 }
    121 
    122 int
    123 netbsd32_pollts(l, v, retval)
    124 	struct lwp *l;
    125 	void *v;
    126 	register_t *retval;
    127 {
    128 	struct netbsd32_pollts_args /* {
    129 		syscallarg(struct netbsd32_pollfdp_t) fds;
    130 		syscallarg(u_int) nfds;
    131 		syscallarg(const netbsd32_timespecp_t) ts;
    132 		syscallarg(const netbsd32_sigsetp_t) mask;
    133 	} */ *uap = v;
    134 	int error;
    135 	struct netbsd32_timespec ts32;
    136 	struct timespec ts;
    137 	struct timeval atv, *tv = NULL;
    138 	sigset_t amask, *mask = NULL;
    139 
    140 	if (SCARG(uap, ts)) {
    141 		if ((error = copyin(NETBSD32PTR64(SCARG(uap, ts)),
    142 		    (caddr_t)&ts32, sizeof(ts32))) != 0)
    143 			return error;
    144 		netbsd32_to_timespec(&ts32, &ts);
    145 		atv.tv_sec = ts.tv_sec;
    146 		atv.tv_usec = ts.tv_nsec / 1000;
    147 		tv = &atv;
    148 	}
    149 	if (SCARG(uap, mask)) {
    150 		if ((error = copyin(NETBSD32PTR64(SCARG(uap, mask)),
    151 		    (caddr_t)&amask, sizeof(amask))) != 0)
    152 			return error;
    153 		mask = &amask;
    154 	}
    155 
    156 	return pollcommon(l, retval, NETBSD32PTR64(SCARG(uap, fds)),
    157 	    SCARG(uap, nfds), tv, mask);
    158 }
    159