Annotation of sys/compat/osf1/osf1_descrip.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: osf1_descrip.c,v 1.8 2002/02/13 19:08:06 art Exp $ */
! 2: /* $NetBSD: osf1_descrip.c,v 1.5 1999/06/26 01:24:41 cgd Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1999 Christopher G. Demetriou. 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. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by Christopher G. Demetriou
! 18: * for the NetBSD Project.
! 19: * 4. The name of the author may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34: /*
! 35: * Copyright (c) 1994, 1995 Carnegie-Mellon University.
! 36: * All rights reserved.
! 37: *
! 38: * Author: Chris G. Demetriou
! 39: *
! 40: * Permission to use, copy, modify and distribute this software and
! 41: * its documentation is hereby granted, provided that both the copyright
! 42: * notice and this permission notice appear in all copies of the
! 43: * software, derivative works or modified versions, and any portions
! 44: * thereof, and that both notices appear in supporting documentation.
! 45: *
! 46: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
! 47: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
! 48: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
! 49: *
! 50: * Carnegie Mellon requests users of this software to return to
! 51: *
! 52: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
! 53: * School of Computer Science
! 54: * Carnegie Mellon University
! 55: * Pittsburgh PA 15213-3890
! 56: *
! 57: * any improvements or extensions that they make and grant Carnegie the
! 58: * rights to redistribute these changes.
! 59: */
! 60:
! 61: #include <sys/param.h>
! 62: #include <sys/systm.h>
! 63: #include <sys/namei.h>
! 64: #include <sys/proc.h>
! 65: #include <sys/file.h>
! 66: #include <sys/stat.h>
! 67: #include <sys/filedesc.h>
! 68: #include <sys/kernel.h>
! 69: #include <sys/malloc.h>
! 70: #include <sys/mman.h>
! 71: #include <sys/mount.h>
! 72: #include <sys/signal.h>
! 73: #include <sys/signalvar.h>
! 74: #include <sys/reboot.h>
! 75: #include <sys/syscallargs.h>
! 76: #include <sys/exec.h>
! 77: #include <sys/vnode.h>
! 78: #include <sys/socketvar.h>
! 79: #include <sys/resource.h>
! 80: #include <sys/resourcevar.h>
! 81: #include <sys/wait.h>
! 82:
! 83: #include <compat/osf1/osf1.h>
! 84: #include <compat/osf1/osf1_syscallargs.h>
! 85: #include <compat/osf1/osf1_cvt.h>
! 86:
! 87: int
! 88: osf1_sys_fcntl(p, v, retval)
! 89: struct proc *p;
! 90: void *v;
! 91: register_t *retval;
! 92: {
! 93: struct osf1_sys_fcntl_args *uap = v;
! 94: struct sys_fcntl_args a;
! 95: struct osf1_flock oflock;
! 96: struct flock nflock;
! 97: unsigned long xfl, leftovers;
! 98: caddr_t sg;
! 99: int error;
! 100:
! 101: sg = stackgap_init(p->p_emul);
! 102:
! 103: SCARG(&a, fd) = SCARG(uap, fd);
! 104:
! 105: leftovers = 0;
! 106: switch (SCARG(uap, cmd)) {
! 107: case OSF1_F_DUPFD:
! 108: SCARG(&a, cmd) = F_DUPFD;
! 109: SCARG(&a, arg) = SCARG(uap, arg);
! 110: break;
! 111:
! 112: case OSF1_F_GETFD:
! 113: SCARG(&a, cmd) = F_GETFD;
! 114: SCARG(&a, arg) = 0; /* ignored */
! 115: break;
! 116:
! 117: case OSF1_F_SETFD:
! 118: SCARG(&a, cmd) = F_SETFD;
! 119: SCARG(&a, arg) = (void *)emul_flags_translate(
! 120: osf1_fcntl_getsetfd_flags_xtab,
! 121: (unsigned long)SCARG(uap, arg), &leftovers);
! 122: break;
! 123:
! 124: case OSF1_F_GETFL:
! 125: SCARG(&a, cmd) = F_GETFL;
! 126: SCARG(&a, arg) = 0; /* ignored */
! 127: break;
! 128:
! 129: case OSF1_F_SETFL:
! 130: SCARG(&a, cmd) = F_SETFL;
! 131: xfl = emul_flags_translate(osf1_open_flags_xtab,
! 132: (unsigned long)SCARG(uap, arg), &leftovers);
! 133: xfl |= emul_flags_translate(osf1_fcntl_getsetfl_flags_xtab,
! 134: leftovers, &leftovers);
! 135: SCARG(&a, arg) = (void *)xfl;
! 136: break;
! 137:
! 138: case OSF1_F_GETOWN: /* XXX not yet supported */
! 139: case OSF1_F_SETOWN: /* XXX not yet supported */
! 140: /* XXX translate. */
! 141: return (EINVAL);
! 142:
! 143: case OSF1_F_GETLK:
! 144: case OSF1_F_SETLK:
! 145: case OSF1_F_SETLKW:
! 146: if (SCARG(uap, cmd) == OSF1_F_GETLK)
! 147: SCARG(&a, cmd) = F_GETLK;
! 148: else if (SCARG(uap, cmd) == OSF1_F_SETLK)
! 149: SCARG(&a, cmd) = F_SETLK;
! 150: else if (SCARG(uap, cmd) == OSF1_F_SETLKW)
! 151: SCARG(&a, cmd) = F_SETLKW;
! 152: SCARG(&a, arg) = stackgap_alloc(&sg, sizeof nflock);
! 153:
! 154: error = copyin(SCARG(uap, arg), &oflock, sizeof oflock);
! 155: if (error == 0)
! 156: error = osf1_cvt_flock_to_native(&oflock, &nflock);
! 157: if (error == 0)
! 158: error = copyout(&nflock, SCARG(&a, arg),
! 159: sizeof nflock);
! 160: if (error != 0)
! 161: return (error);
! 162: break;
! 163:
! 164: case OSF1_F_RGETLK: /* [lock mgr op] XXX not supported */
! 165: case OSF1_F_RSETLK: /* [lock mgr op] XXX not supported */
! 166: case OSF1_F_CNVT: /* [lock mgr op] XXX not supported */
! 167: case OSF1_F_RSETLKW: /* [lock mgr op] XXX not supported */
! 168: case OSF1_F_PURGEFS: /* [lock mgr op] XXX not supported */
! 169: case OSF1_F_PURGENFS: /* [DECsafe op] XXX not supported */
! 170: default:
! 171: /* XXX syslog? */
! 172: return (EINVAL);
! 173: }
! 174: if (leftovers != 0)
! 175: return (EINVAL);
! 176:
! 177: error = sys_fcntl(p, &a, retval);
! 178:
! 179: if (error)
! 180: return error;
! 181:
! 182: switch (SCARG(uap, cmd)) {
! 183: case OSF1_F_GETFD:
! 184: retval[0] = emul_flags_translate(
! 185: osf1_fcntl_getsetfd_flags_rxtab, retval[0], NULL);
! 186: break;
! 187:
! 188: case OSF1_F_GETFL:
! 189: xfl = emul_flags_translate(osf1_open_flags_rxtab,
! 190: retval[0], &leftovers);
! 191: xfl |= emul_flags_translate(osf1_fcntl_getsetfl_flags_rxtab,
! 192: leftovers, NULL);
! 193: retval[0] = xfl;
! 194: break;
! 195:
! 196: case OSF1_F_GETLK:
! 197: error = copyin(SCARG(&a, arg), &nflock, sizeof nflock);
! 198: if (error == 0) {
! 199: osf1_cvt_flock_from_native(&nflock, &oflock);
! 200: error = copyout(&oflock, SCARG(uap, arg),
! 201: sizeof oflock);
! 202: }
! 203: break;
! 204: }
! 205:
! 206: return error;
! 207: }
! 208:
! 209: int
! 210: osf1_sys_fpathconf(p, v, retval)
! 211: struct proc *p;
! 212: void *v;
! 213: register_t *retval;
! 214: {
! 215: struct osf1_sys_fpathconf_args *uap = v;
! 216: struct sys_fpathconf_args a;
! 217: int error;
! 218:
! 219: SCARG(&a, fd) = SCARG(uap, fd);
! 220:
! 221: error = osf1_cvt_pathconf_name_to_native(SCARG(uap, name),
! 222: &SCARG(&a, name));
! 223:
! 224: if (error == 0)
! 225: error = sys_fpathconf(p, &a, retval);
! 226:
! 227: return (error);
! 228: }
! 229:
! 230: /*
! 231: * Return status information about a file descriptor.
! 232: */
! 233: int
! 234: osf1_sys_fstat(p, v, retval)
! 235: struct proc *p;
! 236: void *v;
! 237: register_t *retval;
! 238: {
! 239: struct osf1_sys_fstat_args *uap = v;
! 240: struct filedesc *fdp = p->p_fd;
! 241: struct file *fp;
! 242: struct stat ub;
! 243: struct osf1_stat oub;
! 244: int error;
! 245:
! 246: if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
! 247: return (EBADF);
! 248:
! 249: FREF(fp);
! 250: error = (*fp->f_ops->fo_stat)(fp, &ub, p);
! 251: FRELE(fp);
! 252: osf1_cvt_stat_from_native(&ub, &oub);
! 253: if (error == 0)
! 254: error = copyout((caddr_t)&oub, (caddr_t)SCARG(uap, sb),
! 255: sizeof (oub));
! 256:
! 257: return (error);
! 258: }
! 259:
! 260: int
! 261: osf1_sys_ftruncate(p, v, retval)
! 262: struct proc *p;
! 263: void *v;
! 264: register_t *retval;
! 265: {
! 266: struct osf1_sys_ftruncate_args *uap = v;
! 267: struct sys_ftruncate_args a;
! 268:
! 269: SCARG(&a, fd) = SCARG(uap, fd);
! 270: SCARG(&a, pad) = 0;
! 271: SCARG(&a, length) = SCARG(uap, length);
! 272:
! 273: return sys_ftruncate(p, &a, retval);
! 274: }
! 275:
! 276: int
! 277: osf1_sys_lseek(p, v, retval)
! 278: struct proc *p;
! 279: void *v;
! 280: register_t *retval;
! 281: {
! 282: struct osf1_sys_lseek_args *uap = v;
! 283: struct sys_lseek_args a;
! 284:
! 285: SCARG(&a, fd) = SCARG(uap, fd);
! 286: SCARG(&a, pad) = 0;
! 287: SCARG(&a, offset) = SCARG(uap, offset);
! 288: SCARG(&a, whence) = SCARG(uap, whence);
! 289:
! 290: return sys_lseek(p, &a, retval);
! 291: }
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