1 /* $NetBSD: netbsd32_select.c,v 1.14 2007/12/20 23:03:02 dsl 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 1.14 2007/12/20 23:03:02 dsl 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 #include <sys/dirent.h> 45 46 #include <sys/proc.h> 47 48 #include <net/if.h> 49 50 #include <compat/netbsd32/netbsd32.h> 51 #include <compat/netbsd32/netbsd32_syscall.h> 52 #include <compat/netbsd32/netbsd32_syscallargs.h> 53 #include <compat/netbsd32/netbsd32_conv.h> 54 55 int 56 netbsd32_select(struct lwp *l, const struct netbsd32_select_args *uap, register_t *retval) 57 { 58 /* { 59 syscallarg(int) nd; 60 syscallarg(netbsd32_fd_setp_t) in; 61 syscallarg(netbsd32_fd_setp_t) ou; 62 syscallarg(netbsd32_fd_setp_t) ex; 63 syscallarg(netbsd32_timevalp_t) tv; 64 } */ 65 int error; 66 struct netbsd32_timeval tv32; 67 struct timeval atv, *tv = NULL; 68 69 if (SCARG_P32(uap, tv)) { 70 error = copyin(SCARG_P32(uap, tv), &tv32, sizeof(tv32)); 71 if (error != 0) 72 return error; 73 netbsd32_to_timeval(&tv32, &atv); 74 tv = &atv; 75 } 76 77 return selcommon(l, retval, SCARG(uap, nd), SCARG_P32(uap, in), 78 SCARG_P32(uap, ou), SCARG_P32(uap, ex), tv, NULL); 79 } 80 81 int 82 netbsd32_pselect(struct lwp *l, const struct netbsd32_pselect_args *uap, register_t *retval) 83 { 84 /* { 85 syscallarg(int) nd; 86 syscallarg(netbsd32_fd_setp_t) in; 87 syscallarg(netbsd32_fd_setp_t) ou; 88 syscallarg(netbsd32_fd_setp_t) ex; 89 syscallarg(const netbsd32_timespecp_t) ts; 90 syscallarg(const netbsd32_sigsetp_t) mask; 91 } */ 92 int error; 93 struct netbsd32_timespec ts32; 94 struct timespec ts; 95 struct timeval atv, *tv = 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, &ts); 103 atv.tv_sec = ts.tv_sec; 104 atv.tv_usec = ts.tv_nsec / 1000; 105 tv = &atv; 106 } 107 if (SCARG_P32(uap, mask)) { 108 error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask)); 109 if (error != 0) 110 return error; 111 mask = &amask; 112 } 113 114 return selcommon(l, retval, SCARG(uap, nd), SCARG_P32(uap, in), 115 SCARG_P32(uap, ou), SCARG_P32(uap, ex), tv, mask); 116 } 117 118 int 119 netbsd32_pollts(struct lwp *l, const struct netbsd32_pollts_args *uap, register_t *retval) 120 { 121 /* { 122 syscallarg(struct netbsd32_pollfdp_t) fds; 123 syscallarg(u_int) nfds; 124 syscallarg(const netbsd32_timespecp_t) ts; 125 syscallarg(const netbsd32_sigsetp_t) mask; 126 } */ 127 int error; 128 struct netbsd32_timespec ts32; 129 struct timespec ts; 130 struct timeval atv, *tv = NULL; 131 sigset_t amask, *mask = NULL; 132 133 if (SCARG_P32(uap, ts)) { 134 error = copyin(SCARG_P32(uap, ts), &ts32, sizeof(ts32)); 135 if (error != 0) 136 return error; 137 netbsd32_to_timespec(&ts32, &ts); 138 atv.tv_sec = ts.tv_sec; 139 atv.tv_usec = ts.tv_nsec / 1000; 140 tv = &atv; 141 } 142 if (NETBSD32PTR64( SCARG(uap, mask))) { 143 error = copyin(SCARG_P32(uap, mask), &amask, sizeof(amask)); 144 if (error != 0) 145 return error; 146 mask = &amask; 147 } 148 149 return pollcommon(l, retval, SCARG_P32(uap, fds), 150 SCARG(uap, nfds), tv, mask); 151 } 152