/* $OpenBSD: osf1_generic.c,v 1.1 2000/08/04 15:47:55 ericj Exp $ */ /* $NetBSD: osf1_generic.c,v 1.1 1999/05/01 05:06:46 cgd Exp $ */ /* * Copyright (c) 1999 Christopher G. Demetriou. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christopher G. Demetriou * for the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1994, 1995 Carnegie-Mellon University. * All rights reserved. * * Author: Chris G. Demetriou * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * The structures end up being the same... but we can't be sure that * the other word of our iov_len is zero! */ int osf1_sys_readv(p, v, retval) struct proc *p; void *v; register_t *retval; { struct osf1_sys_readv_args *uap = v; struct sys_readv_args a; struct osf1_iovec *oio; struct iovec *nio; caddr_t sg = stackgap_init(p->p_emul); int error, osize, nsize, i; if (SCARG(uap, iovcnt) > (STACKGAPLEN / sizeof (struct iovec))) return (EINVAL); osize = SCARG(uap, iovcnt) * sizeof (struct osf1_iovec); nsize = SCARG(uap, iovcnt) * sizeof (struct iovec); oio = malloc(osize, M_TEMP, M_WAITOK); nio = malloc(nsize, M_TEMP, M_WAITOK); error = 0; if ((error = copyin(SCARG(uap, iovp), oio, osize))) goto punt; for (i = 0; i < SCARG(uap, iovcnt); i++) { nio[i].iov_base = oio[i].iov_base; nio[i].iov_len = oio[i].iov_len; } SCARG(&a, fd) = SCARG(uap, fd); SCARG(&a, iovp) = stackgap_alloc(&sg, nsize); SCARG(&a, iovcnt) = SCARG(uap, iovcnt); if ((error = copyout(nio, (caddr_t)SCARG(&a, iovp), nsize))) goto punt; error = sys_readv(p, &a, retval); punt: free(oio, M_TEMP); free(nio, M_TEMP); return (error); } int osf1_sys_select(p, v, retval) struct proc *p; void *v; register_t *retval; { struct osf1_sys_select_args *uap = v; struct sys_select_args a; struct osf1_timeval otv; struct timeval tv; int error; caddr_t sg; SCARG(&a, nd) = SCARG(uap, nd); SCARG(&a, in) = SCARG(uap, in); SCARG(&a, ou) = SCARG(uap, ou); SCARG(&a, ex) = SCARG(uap, ex); error = 0; if (SCARG(uap, tv) == NULL) SCARG(&a, tv) = NULL; else { sg = stackgap_init(p->p_emul); SCARG(&a, tv) = stackgap_alloc(&sg, sizeof tv); /* get the OSF/1 timeval argument */ error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&otv, sizeof otv); if (error == 0) { /* fill in and copy out the NetBSD timeval */ memset(&tv, 0, sizeof tv); tv.tv_sec = otv.tv_sec; tv.tv_usec = otv.tv_usec; error = copyout((caddr_t)&tv, (caddr_t)SCARG(&a, tv), sizeof tv); } } if (error == 0) error = sys_select(p, &a, retval); return (error); } int osf1_sys_writev(p, v, retval) struct proc *p; void *v; register_t *retval; { struct osf1_sys_writev_args *uap = v; struct sys_writev_args a; struct osf1_iovec *oio; struct iovec *nio; caddr_t sg = stackgap_init(p->p_emul); int error, osize, nsize, i; if (SCARG(uap, iovcnt) > (STACKGAPLEN / sizeof (struct iovec))) return (EINVAL); osize = SCARG(uap, iovcnt) * sizeof (struct osf1_iovec); nsize = SCARG(uap, iovcnt) * sizeof (struct iovec); oio = malloc(osize, M_TEMP, M_WAITOK); nio = malloc(nsize, M_TEMP, M_WAITOK); error = 0; if ((error = copyin(SCARG(uap, iovp), oio, osize))) goto punt; for (i = 0; i < SCARG(uap, iovcnt); i++) { nio[i].iov_base = oio[i].iov_base; nio[i].iov_len = oio[i].iov_len; } SCARG(&a, fd) = SCARG(uap, fd); SCARG(&a, iovp) = stackgap_alloc(&sg, nsize); SCARG(&a, iovcnt) = SCARG(uap, iovcnt); if ((error = copyout(nio, (caddr_t)SCARG(&a, iovp), nsize))) goto punt; error = sys_writev(p, &a, retval); punt: free(oio, M_TEMP); free(nio, M_TEMP); return (error); }