netbsd32_select.c

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    1 /*      $NetBSD: netbsd32_select.c,v 1.15 2008/05/29 14:51:26 mrg 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 1.15 2008/05/29 14:51:26 mrg 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_select(struct lwp *l, const struct netbsd32_select_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 timeval atv, *tv = 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                 netbsd32_to_timeval(&tv32, &atv);
   72                 tv = &atv;
   73         }
   74 
   75         return selcommon(l, retval, SCARG(uap, nd), SCARG_P32(uap, in),
   76             SCARG_P32(uap, ou), SCARG_P32(uap, ex), tv, NULL);
   77 }
   78 
   79 int
   80 netbsd32_pselect(struct lwp *l, const struct netbsd32_pselect_args *uap, register_t *retval)
   81 {
   82         /* {
   83                 syscallarg(int) nd;
   84                 syscallarg(netbsd32_fd_setp_t) in;
   85                 syscallarg(netbsd32_fd_setp_t) ou;
   86                 syscallarg(netbsd32_fd_setp_t) ex;
   87                 syscallarg(const netbsd32_timespecp_t) ts;
   88                 syscallarg(const netbsd32_sigsetp_t) mask;
   89         } */
   90         int error;
   91         struct netbsd32_timespec ts32;
   92         struct timespec ts;
   93         struct timeval atv, *tv = 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, &ts);
  101                 atv.tv_sec = ts.tv_sec;
  102                 atv.tv_usec = ts.tv_nsec / 1000;
  103                 tv = &atv;
  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(l, retval, SCARG(uap, nd), SCARG_P32(uap, in),
  113             SCARG_P32(uap, ou), SCARG_P32(uap, ex), tv, mask);
  114 }
  115 
  116 int
  117 netbsd32_pollts(struct lwp *l, const struct netbsd32_pollts_args *uap, register_t *retval)
  118 {
  119         /* {
  120                 syscallarg(struct netbsd32_pollfdp_t) fds;
  121                 syscallarg(u_int) nfds;
  122                 syscallarg(const netbsd32_timespecp_t) ts;
  123                 syscallarg(const netbsd32_sigsetp_t) mask;
  124         } */
  125         int error;
  126         struct netbsd32_timespec ts32;
  127         struct timespec ts;
  128         struct timeval atv, *tv = 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, &ts);
  136                 atv.tv_sec = ts.tv_sec;
  137                 atv.tv_usec = ts.tv_nsec / 1000;
  138                 tv = &atv;
  139         }
  140         if (NETBSD32PTR64( SCARG(uap, mask))) {
  141                 error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask));
  142                 if (error != 0)
  143                         return error;
  144                 mask = &amask;
  145         }
  146 
  147         return pollcommon(l, retval, SCARG_P32(uap, fds),
  148             SCARG(uap, nfds), tv, mask);
  149 }

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FreeBSD/Linux Kernel Cross Reference sys/compat/netbsd32/netbsd32_select.c

FreeBSD/Linux Kernel Cross Reference
sys/compat/netbsd32/netbsd32_select.c