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netbsd32_select.c revision 1.17 
      1 /*	$NetBSD: netbsd32_select.c,v 1.17 2009/03/29 19:21:19 christos 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 1.17 2009/03/29 19:21:19 christos 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, const struct netbsd32___select50_args *uap, register_t *retval)
     55 {
     56 	/* {
     57 		syscallarg(int) nd;
     58 		syscallarg(netbsd32_fd_setp_t) in;
     59 		syscallarg(netbsd32_fd_setp_t) ou;
     60 		syscallarg(netbsd32_fd_setp_t) ex;
     61 		syscallarg(netbsd32_timevalp_t) tv;
     62 	} */
     63 	int error;
     64 	struct netbsd32_timeval tv32;
     65 	struct timespec ats, *ts = NULL;
     66 
     67 	if (SCARG_P32(uap, tv)) {
     68 		error = copyin(SCARG_P32(uap, tv), &tv32, sizeof(tv32));
     69 		if (error != 0)
     70 			return error;
     71 		ats.tv_sec = tv32.tv_sec;
     72 		ats.tv_nsec = tv32.tv_usec * 1000;
     73 		ts = &ats;
     74 	}
     75 
     76 	return selcommon(l, retval, SCARG(uap, nd), SCARG_P32(uap, in),
     77 	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, NULL);
     78 }
     79 
     80 int
     81 netbsd32___pselect50(struct lwp *l, const struct netbsd32___pselect50_args *uap, register_t *retval)
     82 {
     83 	/* {
     84 		syscallarg(int) nd;
     85 		syscallarg(netbsd32_fd_setp_t) in;
     86 		syscallarg(netbsd32_fd_setp_t) ou;
     87 		syscallarg(netbsd32_fd_setp_t) ex;
     88 		syscallarg(const netbsd32_timespecp_t) ts;
     89 		syscallarg(const netbsd32_sigsetp_t) mask;
     90 	} */
     91 	int error;
     92 	struct netbsd32_timespec ts32;
     93 	struct timespec ats, *ts = NULL;
     94 	sigset_t amask, *mask = NULL;
     95 
     96 	if (SCARG_P32(uap, ts)) {
     97 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
     98 		if (error != 0)
     99 			return error;
    100 		netbsd32_to_timespec(&ts32, &ats);
    101 		ts = &ats;
    102 	}
    103 	if (SCARG_P32(uap, mask)) {
    104 		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
    105 		if (error != 0)
    106 			return error;
    107 		mask = &amask;
    108 	}
    109 
    110 	return selcommon(l, retval, SCARG(uap, nd), SCARG_P32(uap, in),
    111 	    SCARG_P32(uap, ou), SCARG_P32(uap, ex), ts, mask);
    112 }
    113 
    114 int
    115 netbsd32___pollts50(struct lwp *l, const struct netbsd32___pollts50_args *uap, register_t *retval)
    116 {
    117 	/* {
    118 		syscallarg(struct netbsd32_pollfdp_t) fds;
    119 		syscallarg(u_int) nfds;
    120 		syscallarg(const netbsd32_timespecp_t) ts;
    121 		syscallarg(const netbsd32_sigsetp_t) mask;
    122 	} */
    123 	int error;
    124 	struct netbsd32_timespec ts32;
    125 	struct timespec ats, *ts = NULL;
    126 	sigset_t amask, *mask = NULL;
    127 
    128 	if (SCARG_P32(uap, ts)) {
    129 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32));
    130 		if (error != 0)
    131 			return error;
    132 		netbsd32_to_timespec(&ts32, &ats);
    133 		ts = &ats;
    134 	}
    135 	if (NETBSD32PTR64( SCARG(uap, mask))) {
    136 		error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
    137 		if (error != 0)
    138 			return error;
    139 		mask = &amask;
    140 	}
    141 
    142 	return pollcommon(l, retval, SCARG_P32(uap, fds),
    143 	    SCARG(uap, nfds), ts, mask);
    144 }
    145