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netbsd32_select.c revision 1.14.10.2 
      1 /*	$NetBSD: netbsd32_select.c,v 1.14.10.2 2010/03/11 15:03:18 yamt 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  *
     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: netbsd32_select.c,v 1.14.10.2 2010/03/11 15:03:18 yamt Exp $");
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/malloc.h>
     35 #include <sys/mount.h>
     36 #include <sys/time.h>
     37 #include <sys/vnode.h>
     38 #include <sys/file.h>
     39 #include <sys/filedesc.h>
     40 #include <sys/poll.h>
     41 #include <sys/select.h>
     42 #include <sys/dirent.h>
     43 
     44 #include <sys/proc.h>
     45 
     46 #include <net/if.h>
     47 
     48 #include <compat/netbsd32/netbsd32.h>
     49 #include <compat/netbsd32/netbsd32_syscall.h>
     50 #include <compat/netbsd32/netbsd32_syscallargs.h>
     51 #include <compat/netbsd32/netbsd32_conv.h>
     52 
     53 int
     54 netbsd32___select50(struct lwp *l,
     55     const struct netbsd32___select50_args *uap, register_t *retval)
     56 {
     57 	/* {
     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 	} */
     64 	int error;
     65 	struct netbsd32_timeval tv32;
     66 	struct timespec ats, *ts = NULL;
     67 
     68 	if (SCARG_P32(uap, tv)) {
     69 		error = copyin(SCARG_P32(uap, tv), &tv32, sizeof(tv32));
     70 		if (error != 0)
     71 			return error;
     72 		ats.tv_sec = tv32.tv_sec;
     73 		ats.tv_nsec = tv32.tv_usec * 1000;
     74 		ts = &ats;
     75 	}
     76 
     77 	return selcommon(retval, SCARG(uap, nd), SCARG_P32(uap, in),
     78 	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, NULL);
     79 }
     80 
     81 int
     82 netbsd32___pselect50(struct lwp *l,
     83     const struct netbsd32___pselect50_args *uap, register_t *retval)
     84 {
     85 	/* {
     86 		syscallarg(int) nd;
     87 		syscallarg(netbsd32_fd_setp_t) in;
     88 		syscallarg(netbsd32_fd_setp_t) ou;
     89 		syscallarg(netbsd32_fd_setp_t) ex;
     90 		syscallarg(const netbsd32_timespecp_t) ts;
     91 		syscallarg(const netbsd32_sigsetp_t) mask;
     92 	} */
     93 	int error;
     94 	struct netbsd32_timespec ts32;
     95 	struct timespec ats, *ts = NULL;
     96 	sigset_t amask, *mask = NULL;
     97 
     98 	if (SCARG_P32(uap, ts)) {
     99 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
    100 		if (error != 0)
    101 			return error;
    102 		netbsd32_to_timespec(&ts32, &ats);
    103 		ts = &ats;
    104 	}
    105 	if (SCARG_P32(uap, mask)) {
    106 		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
    107 		if (error != 0)
    108 			return error;
    109 		mask = &amask;
    110 	}
    111 
    112 	return selcommon(retval, SCARG(uap, nd), SCARG_P32(uap, in),
    113 	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, mask);
    114 }
    115 
    116 int
    117 netbsd32___pollts50(struct lwp *l, const struct netbsd32___pollts50_args *uap,
    118     register_t *retval)
    119 {
    120 	/* {
    121 		syscallarg(struct netbsd32_pollfdp_t) fds;
    122 		syscallarg(u_int) nfds;
    123 		syscallarg(const netbsd32_timespecp_t) ts;
    124 		syscallarg(const netbsd32_sigsetp_t) mask;
    125 	} */
    126 	int error;
    127 	struct netbsd32_timespec ts32;
    128 	struct timespec ats, *ts = NULL;
    129 	sigset_t amask, *mask = NULL;
    130 
    131 	if (SCARG_P32(uap, ts)) {
    132 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
    133 		if (error != 0)
    134 			return error;
    135 		netbsd32_to_timespec(&ts32, &ats);
    136 		ts = &ats;
    137 	}
    138 	if (NETBSD32PTR64( SCARG(uap, mask))) {
    139 		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
    140 		if (error != 0)
    141 			return error;
    142 		mask = &amask;
    143 	}
    144 
    145 	return pollcommon(retval, SCARG_P32(uap, fds),
    146 	    SCARG(uap, nfds), ts, mask);
    147 }
    148