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netbsd32_select.c revision 1.6 
      1 /*	$NetBSD: netbsd32_select.c,v 1.6 2005/07/09 21:58:09 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 1.6 2005/07/09 21:58:09 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/select.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, void *v, register_t *retval)
     55 {
     56 	struct netbsd32_select_args /* {
     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 	} */ *uap = v;
     63 	int error;
     64 	struct netbsd32_timeval tv32;
     65 	struct timeval atv, *tv = NULL;
     66 
     67 	if (SCARG(uap, tv)) {
     68 		if ((error = copyin(NETBSD32PTR64(SCARG(uap, tv)),
     69 		    (caddr_t)&tv32, sizeof(tv32))) != 0)
     70 			return error;
     71 		netbsd32_to_timeval(&tv32, &atv);
     72 		tv = &atv;
     73 	}
     74 
     75 	return selcommon(l, retval, SCARG(uap, nd), NETBSD32PTR64(SCARG(uap, in)),
     76 	    NETBSD32PTR64(SCARG(uap, ou)), NETBSD32PTR64(SCARG(uap, ex)), tv,
     77 	    NULL);
     78 }
     79