ultrix_misc.c revision 1.79
1 /* $NetBSD: ultrix_misc.c,v 1.79 2002/09/21 21:15:01 manu Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1997 Jonathan Stone (hereinafter referred to as the author) 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jonathan Stone for 18 * 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 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * Copyright (c) 1992, 1993 37 * The Regents of the University of California. All rights reserved. 38 * 39 * This software was developed by the Computer Systems Engineering group 40 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 41 * contributed to Berkeley. 42 * 43 * All advertising materials mentioning features or use of this software 44 * must display the following acknowledgement: 45 * This product includes software developed by the University of 46 * California, Lawrence Berkeley Laboratory. 47 * 48 * Redistribution and use in source and binary forms, with or without 49 * modification, are permitted provided that the following conditions 50 * are met: 51 * 1. Redistributions of source code must retain the above copyright 52 * notice, this list of conditions and the following disclaimer. 53 * 2. Redistributions in binary form must reproduce the above copyright 54 * notice, this list of conditions and the following disclaimer in the 55 * documentation and/or other materials provided with the distribution. 56 * 3. All advertising materials mentioning features or use of this software 57 * must display the following acknowledgement: 58 * This product includes software developed by the University of 59 * California, Berkeley and its contributors. 60 * 4. Neither the name of the University nor the names of its contributors 61 * may be used to endorse or promote products derived from this software 62 * without specific prior written permission. 63 * 64 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 65 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 67 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 70 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 71 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 72 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 73 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 74 * SUCH DAMAGE. 75 * 76 * 77 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93 78 * 79 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 80 */ 81 82 #include <sys/cdefs.h> 83 __KERNEL_RCSID(0, "$NetBSD: ultrix_misc.c,v 1.79 2002/09/21 21:15:01 manu Exp $"); 84 85 #if defined(_KERNEL_OPT) 86 #include "opt_nfsserver.h" 87 #include "opt_sysv.h" 88 #endif 89 90 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 91 92 /* 93 * Ultrix compatibility module. 94 * 95 * Ultrix system calls that are implemented differently in BSD are 96 * handled here. 97 */ 98 99 #if defined(_KERNEL_OPT) 100 #include "fs_nfs.h" 101 #endif 102 103 #include <sys/param.h> 104 #include <sys/systm.h> 105 #include <sys/namei.h> 106 #include <sys/dirent.h> 107 #include <sys/proc.h> 108 #include <sys/file.h> 109 #include <sys/filedesc.h> 110 #include <sys/kernel.h> 111 #include <sys/exec.h> 112 #include <sys/malloc.h> 113 #include <sys/mbuf.h> 114 #include <sys/mman.h> 115 #include <sys/mount.h> 116 #include <sys/resource.h> 117 #include <sys/resourcevar.h> 118 #include <sys/signal.h> 119 #include <sys/signalvar.h> 120 #include <sys/socket.h> 121 #include <sys/vnode.h> 122 #include <sys/uio.h> 123 #include <sys/wait.h> 124 #include <sys/utsname.h> 125 #include <sys/unistd.h> 126 #include <sys/ipc.h> 127 128 #include <sys/syscallargs.h> 129 130 #include <compat/ultrix/ultrix_syscall.h> 131 #include <compat/ultrix/ultrix_syscallargs.h> 132 #include <compat/common/compat_util.h> 133 134 #include <netinet/in.h> 135 136 #include <miscfs/specfs/specdev.h> 137 138 #include <nfs/rpcv2.h> 139 #include <nfs/nfsproto.h> 140 #include <nfs/nfs.h> 141 142 #include <sys/socketvar.h> /* sosetopt() */ 143 144 #include <compat/ultrix/ultrix_flock.h> 145 146 #ifdef __mips 147 #include <mips/cachectl.h> 148 #endif 149 150 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 151 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 152 153 extern struct sysent ultrix_sysent[]; 154 extern const char * const ultrix_syscallnames[]; 155 extern char ultrix_sigcode[], ultrix_esigcode[]; 156 #ifdef __HAVE_SYSCALL_INTERN 157 void syscall_intern(struct proc *); 158 #else 159 void syscall __P((void)); 160 #endif 161 162 const struct emul emul_ultrix = { 163 "ultrix", 164 "/emul/ultrix", 165 #ifndef __HAVE_MINIMAL_EMUL 166 0, 167 NULL, 168 ULTRIX_SYS_syscall, 169 ULTRIX_SYS_MAXSYSCALL, 170 #endif 171 ultrix_sysent, 172 ultrix_syscallnames, 173 sendsig, 174 trapsignal, 175 ultrix_sigcode, 176 ultrix_esigcode, 177 setregs, 178 NULL, 179 NULL, 180 NULL, 181 #ifdef __HAVE_SYSCALL_INTERN 182 syscall_intern, 183 #else 184 syscall, 185 #endif 186 NULL, 187 NULL, 188 }; 189 190 #define GSI_PROG_ENV 1 191 192 int 193 ultrix_sys_getsysinfo(p, v, retval) 194 struct proc *p; 195 void *v; 196 register_t *retval; 197 { 198 struct ultrix_sys_getsysinfo_args *uap = v; 199 static short progenv = 0; 200 201 switch (SCARG(uap, op)) { 202 /* operations implemented: */ 203 case GSI_PROG_ENV: 204 if (SCARG(uap, nbytes) < sizeof(short)) 205 return EINVAL; 206 *retval = 1; 207 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 208 default: 209 *retval = 0; /* info unavail */ 210 return 0; 211 } 212 } 213 214 int 215 ultrix_sys_setsysinfo(p, v, retval) 216 struct proc *p; 217 void *v; 218 register_t *retval; 219 { 220 221 #ifdef notyet 222 struct ultrix_sys_setsysinfo_args *uap = v; 223 #endif 224 225 *retval = 0; 226 return 0; 227 } 228 229 int 230 ultrix_sys_waitpid(p, v, retval) 231 struct proc *p; 232 void *v; 233 register_t *retval; 234 { 235 struct ultrix_sys_waitpid_args *uap = v; 236 struct sys_wait4_args ua; 237 238 SCARG(&ua, pid) = SCARG(uap, pid); 239 SCARG(&ua, status) = SCARG(uap, status); 240 SCARG(&ua, options) = SCARG(uap, options); 241 SCARG(&ua, rusage) = 0; 242 243 return (sys_wait4(p, &ua, retval)); 244 } 245 246 int 247 ultrix_sys_wait3(p, v, retval) 248 struct proc *p; 249 void *v; 250 register_t *retval; 251 { 252 struct ultrix_sys_wait3_args *uap = v; 253 struct sys_wait4_args ua; 254 255 SCARG(&ua, pid) = -1; 256 SCARG(&ua, status) = SCARG(uap, status); 257 SCARG(&ua, options) = SCARG(uap, options); 258 SCARG(&ua, rusage) = SCARG(uap, rusage); 259 260 return (sys_wait4(p, &ua, retval)); 261 } 262 263 /* 264 * Ultrix binaries pass in FD_MAX as the first arg to select(). 265 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 266 * can handle. 267 * Since we can't have more than the (native) FD_MAX descriptors open, 268 * limit nfds to at most FD_MAX. 269 */ 270 int 271 ultrix_sys_select(p, v, retval) 272 struct proc *p; 273 void *v; 274 register_t *retval; 275 { 276 struct sys_select_args *uap = v; 277 struct timeval atv; 278 int error; 279 280 /* Limit number of FDs selected on to the native maximum */ 281 282 if (SCARG(uap, nd) > FD_SETSIZE) 283 SCARG(uap, nd) = FD_SETSIZE; 284 285 /* Check for negative timeval */ 286 if (SCARG(uap, tv)) { 287 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 288 sizeof(atv)); 289 if (error) 290 goto done; 291 #ifdef DEBUG 292 /* Ultrix clients sometimes give negative timeouts? */ 293 if (atv.tv_sec < 0 || atv.tv_usec < 0) 294 printf("ultrix select( %ld, %ld): negative timeout\n", 295 atv.tv_sec, atv.tv_usec); 296 #endif 297 298 } 299 error = sys_select(p, (void*) uap, retval); 300 if (error == EINVAL) 301 printf("ultrix select: bad args?\n"); 302 303 done: 304 return error; 305 } 306 307 #if defined(NFS) 308 int 309 async_daemon(p, v, retval) 310 struct proc *p; 311 void *v; 312 register_t *retval; 313 { 314 struct sys_nfssvc_args ouap; 315 316 SCARG(&ouap, flag) = NFSSVC_BIOD; 317 SCARG(&ouap, argp) = NULL; 318 319 return (sys_nfssvc(p, &ouap, retval)); 320 } 321 #endif /* NFS */ 322 323 324 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 325 326 int 327 ultrix_sys_mmap(p, v, retval) 328 struct proc *p; 329 void *v; 330 register_t *retval; 331 { 332 struct ultrix_sys_mmap_args *uap = v; 333 struct sys_mmap_args ouap; 334 struct filedesc *fdp; 335 struct file *fp; 336 struct vnode *vp; 337 338 /* 339 * Verify the arguments. 340 */ 341 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 342 return (EINVAL); /* XXX still needed? */ 343 344 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 345 return (EINVAL); 346 347 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 348 SCARG(&ouap, addr) = SCARG(uap, addr); 349 350 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 351 SCARG(&ouap, addr) != 0 && 352 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 353 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 354 355 SCARG(&ouap, len) = SCARG(uap, len); 356 SCARG(&ouap, prot) = SCARG(uap, prot); 357 SCARG(&ouap, fd) = SCARG(uap, fd); 358 SCARG(&ouap, pos) = SCARG(uap, pos); 359 360 /* 361 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 362 */ 363 fdp = p->p_fd; 364 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 365 fp->f_type == DTYPE_VNODE && /*XXX*/ 366 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 367 vp->v_rdev == zerodev) { /*XXX*/ 368 SCARG(&ouap, flags) |= MAP_ANON; 369 SCARG(&ouap, fd) = -1; 370 } 371 372 return (sys_mmap(p, &ouap, retval)); 373 } 374 375 int 376 ultrix_sys_setsockopt(p, v, retval) 377 struct proc *p; 378 void *v; 379 register_t *retval; 380 { 381 struct ultrix_sys_setsockopt_args *uap = v; 382 struct file *fp; 383 struct mbuf *m = NULL; 384 int error; 385 386 /* getsock() will use the descriptor for us */ 387 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 388 return (error); 389 #define SO_DONTLINGER (~SO_LINGER) 390 if (SCARG(uap, name) == SO_DONTLINGER) { 391 m = m_get(M_WAIT, MT_SOOPTS); 392 mtod(m, struct linger *)->l_onoff = 0; 393 m->m_len = sizeof(struct linger); 394 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 395 SO_LINGER, m); 396 } 397 if (SCARG(uap, level) == IPPROTO_IP) { 398 #define EMUL_IP_MULTICAST_IF 2 399 #define EMUL_IP_MULTICAST_TTL 3 400 #define EMUL_IP_MULTICAST_LOOP 4 401 #define EMUL_IP_ADD_MEMBERSHIP 5 402 #define EMUL_IP_DROP_MEMBERSHIP 6 403 static int ipoptxlat[] = { 404 IP_MULTICAST_IF, 405 IP_MULTICAST_TTL, 406 IP_MULTICAST_LOOP, 407 IP_ADD_MEMBERSHIP, 408 IP_DROP_MEMBERSHIP 409 }; 410 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 411 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 412 SCARG(uap, name) = 413 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 414 } 415 } 416 if (SCARG(uap, valsize) > MLEN) { 417 error = EINVAL; 418 goto out; 419 } 420 if (SCARG(uap, val)) { 421 m = m_get(M_WAIT, MT_SOOPTS); 422 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 423 (u_int)SCARG(uap, valsize)); 424 if (error) { 425 (void) m_free(m); 426 goto out; 427 } 428 m->m_len = SCARG(uap, valsize); 429 } 430 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 431 SCARG(uap, name), m); 432 out: 433 FILE_UNUSE(fp, p); 434 return (error); 435 } 436 437 #define ULTRIX__SYS_NMLN 32 438 439 struct ultrix_utsname { 440 char sysname[ULTRIX__SYS_NMLN]; 441 char nodename[ULTRIX__SYS_NMLN]; 442 char release[ULTRIX__SYS_NMLN]; 443 char version[ULTRIX__SYS_NMLN]; 444 char machine[ULTRIX__SYS_NMLN]; 445 }; 446 447 int 448 ultrix_sys_uname(p, v, retval) 449 struct proc *p; 450 void *v; 451 register_t *retval; 452 { 453 struct ultrix_sys_uname_args *uap = v; 454 struct ultrix_utsname sut; 455 const char *cp; 456 char *dp, *ep; 457 458 memset(&sut, 0, sizeof(sut)); 459 460 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 461 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 462 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 463 dp = sut.version; 464 ep = &sut.version[sizeof(sut.version) - 1]; 465 for (cp = version; *cp && *cp != '('; cp++) 466 ; 467 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 468 *dp++ = *cp; 469 for (; *cp && *cp != '#'; cp++) 470 ; 471 for (; *cp && *cp != ':' && dp < ep; cp++) 472 *dp++ = *cp; 473 *dp = '\0'; 474 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 475 476 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 477 sizeof(struct ultrix_utsname)); 478 } 479 480 int 481 ultrix_sys_setpgrp(p, v, retval) 482 struct proc *p; 483 void *v; 484 register_t *retval; 485 { 486 struct ultrix_sys_setpgrp_args *uap = v; 487 488 /* 489 * difference to our setpgid call is to include backwards 490 * compatibility to pre-setsid() binaries. Do setsid() 491 * instead of setpgid() in those cases where the process 492 * tries to create a new session the old way. 493 */ 494 if (!SCARG(uap, pgid) && 495 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 496 return sys_setsid(p, uap, retval); 497 else 498 return sys_setpgid(p, uap, retval); 499 } 500 501 #if defined (NFSSERVER) 502 int 503 ultrix_sys_nfssvc(p, v, retval) 504 struct proc *p; 505 void *v; 506 register_t *retval; 507 { 508 509 #if 0 /* XXX */ 510 struct ultrix_sys_nfssvc_args *uap = v; 511 struct emul *e = p->p_emul; 512 struct sys_nfssvc_args outuap; 513 struct sockaddr sa; 514 int error; 515 caddr_t sg = stackgap_init(p, 0); 516 517 memset(&outuap, 0, sizeof outuap); 518 SCARG(&outuap, fd) = SCARG(uap, fd); 519 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof sa); 520 SCARG(&outuap, msklen) = sizeof sa; 521 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof sa); 522 SCARG(&outuap, mtchlen) = sizeof sa; 523 524 memset(&sa, 0, sizeof sa); 525 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 526 return (error); 527 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 528 return (error); 529 530 return nfssvc(p, &outuap, retval); 531 #else 532 return (ENOSYS); 533 #endif 534 } 535 #endif /* NFSSERVER */ 536 537 struct ultrix_ustat { 538 daddr_t f_tfree; /* total free */ 539 ino_t f_tinode; /* total inodes free */ 540 char f_fname[6]; /* filsys name */ 541 char f_fpack[6]; /* filsys pack name */ 542 }; 543 544 int 545 ultrix_sys_ustat(p, v, retval) 546 struct proc *p; 547 void *v; 548 register_t *retval; 549 { 550 struct ultrix_sys_ustat_args *uap = v; 551 struct ultrix_ustat us; 552 int error; 553 554 memset(&us, 0, sizeof us); 555 556 /* 557 * XXX: should set f_tfree and f_tinode at least 558 * How do we translate dev -> fstat? (and then to ultrix_ustat) 559 */ 560 561 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 562 return (error); 563 return 0; 564 } 565 566 int 567 ultrix_sys_quotactl(p, v, retval) 568 struct proc *p; 569 void *v; 570 register_t *retval; 571 { 572 573 #ifdef notyet 574 struct ultrix_sys_quotactl_args *uap = v; 575 #endif 576 577 return EINVAL; 578 } 579 580 int 581 ultrix_sys_vhangup(p, v, retval) 582 struct proc *p; 583 void *v; 584 register_t *retval; 585 { 586 587 return 0; 588 } 589 590 591 /* 592 * RISC Ultrix cache control syscalls 593 */ 594 #ifdef __mips 595 int 596 ultrix_sys_cacheflush(p, v, retval) 597 struct proc *p; 598 void *v; 599 register_t *retval; 600 { 601 struct ultrix_sys_cacheflush_args /* { 602 syscallarg(void *) addr; 603 syscallarg(int) nbytes; 604 syscallarg(int) flag; 605 } */ *uap = v; 606 vaddr_t va = (vaddr_t)SCARG(uap, addr); 607 int nbytes = SCARG(uap, nbytes); 608 int whichcache = SCARG(uap, whichcache); 609 610 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 611 } 612 613 614 int 615 ultrix_sys_cachectl(p, v, retval) 616 struct proc *p; 617 void *v; 618 register_t *retval; 619 { 620 struct ultrix_sys_cachectl_args /* { 621 syscallarg(void *) addr; 622 syscallarg(int) nbytes; 623 syscallarg(int) cacheop; 624 } */ *uap = v; 625 vaddr_t va = (vaddr_t)SCARG(uap, addr); 626 int nbytes = SCARG(uap, nbytes); 627 int cacheop = SCARG(uap, cacheop); 628 629 return mips_user_cachectl(p, va, nbytes, cacheop); 630 } 631 632 #endif /* __mips */ 633 634 635 int 636 ultrix_sys_exportfs(p, v, retval) 637 struct proc *p; 638 void *v; 639 register_t *retval; 640 { 641 #ifdef notyet 642 struct ultrix_sys_exportfs_args *uap = v; 643 #endif 644 645 /* 646 * XXX: should perhaps translate into a mount(2) 647 * with MOUNT_EXPORT? 648 */ 649 return 0; 650 } 651 652 int 653 ultrix_sys_sigpending(p, v, retval) 654 struct proc *p; 655 void *v; 656 register_t *retval; 657 { 658 struct ultrix_sys_sigpending_args *uap = v; 659 sigset_t ss; 660 int mask; 661 662 sigpending1(p, &ss); 663 mask = ss.__bits[0]; 664 665 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 666 } 667 668 int 669 ultrix_sys_sigreturn(p, v, retval) 670 struct proc *p; 671 void *v; 672 register_t *retval; 673 { 674 struct ultrix_sys_sigreturn_args *uap = v; 675 676 /* struct sigcontext13 is close enough to Ultrix */ 677 678 return (compat_13_sys_sigreturn(p, uap, retval)); 679 } 680 681 int 682 ultrix_sys_sigcleanup(p, v, retval) 683 struct proc *p; 684 void *v; 685 register_t *retval; 686 { 687 struct ultrix_sys_sigcleanup_args *uap = v; 688 689 /* struct sigcontext13 is close enough to Ultrix */ 690 691 return (compat_13_sys_sigreturn(p, uap, retval)); 692 } 693 694 int 695 ultrix_sys_sigsuspend(p, v, retval) 696 struct proc *p; 697 void *v; 698 register_t *retval; 699 { 700 struct ultrix_sys_sigsuspend_args *uap = v; 701 int mask = SCARG(uap, mask); 702 sigset_t ss; 703 704 ss.__bits[0] = mask; 705 ss.__bits[1] = 0; 706 ss.__bits[2] = 0; 707 ss.__bits[3] = 0; 708 709 return (sigsuspend1(p, &ss)); 710 } 711 712 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 713 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 714 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 715 716 int 717 ultrix_sys_sigvec(p, v, retval) 718 struct proc *p; 719 void *v; 720 register_t *retval; 721 { 722 struct ultrix_sys_sigvec_args *uap = v; 723 struct sigvec nsv, osv; 724 struct sigaction nsa, osa; 725 int error; 726 727 if (SCARG(uap, nsv)) { 728 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 729 if (error) 730 return (error); 731 nsa.sa_handler = nsv.sv_handler; 732 #if 0 /* documentation */ 733 /* ONSTACK is identical */ 734 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 735 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 736 /* old signal() - always restart */ 737 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 738 /* inverted meaning (same bit) */ 739 ) 740 nsa.sa_flags |= SA_RESTART; 741 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 742 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 743 nsa.sa_flags ^= SA_RESTART; 744 #endif 745 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 746 } 747 error = sigaction1(p, SCARG(uap, signum), 748 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0, 749 NULL, 0); 750 if (error) 751 return (error); 752 if (SCARG(uap, osv)) { 753 osv.sv_handler = osa.sa_handler; 754 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 755 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 756 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 757 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 758 if (error) 759 return (error); 760 } 761 return (0); 762 } 763 764 int 765 ultrix_sys_shmsys(p, v, retval) 766 struct proc *p; 767 void *v; 768 register_t *retval; 769 { 770 771 #ifdef SYSVSHM 772 773 /* Ultrix SVSHM weirndess: */ 774 struct ultrix_sys_shmsys_args *uap = v; 775 struct sys_shmat_args shmat_args; 776 struct compat_14_sys_shmctl_args shmctl_args; 777 struct sys_shmdt_args shmdt_args; 778 struct sys_shmget_args shmget_args; 779 780 781 switch (SCARG(uap, shmop)) { 782 case 0: /* Ultrix shmat() */ 783 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 784 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 785 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 786 return (sys_shmat(p, &shmat_args, retval)); 787 788 case 1: /* Ultrix shmctl() */ 789 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 790 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 791 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 792 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 793 794 case 2: /* Ultrix shmdt() */ 795 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 796 return (sys_shmdt(p, &shmdt_args, retval)); 797 798 case 3: /* Ultrix shmget() */ 799 SCARG(&shmget_args, key) = SCARG(uap, a2); 800 SCARG(&shmget_args, size) = SCARG(uap, a3); 801 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 802 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 803 return (sys_shmget(p, &shmget_args, retval)); 804 805 default: 806 return (EINVAL); 807 } 808 #else 809 return (EOPNOTSUPP); 810 #endif /* SYSVSHM */ 811 } 812 813 static int 814 ultrix_to_bsd_flock(ufl, fl) 815 struct ultrix_flock *ufl; 816 struct flock *fl; 817 { 818 819 fl->l_start = ufl->l_start; 820 fl->l_len = ufl->l_len; 821 fl->l_pid = ufl->l_pid; 822 fl->l_whence = ufl->l_whence; 823 824 switch (ufl->l_type) { 825 case ULTRIX_F_RDLCK: 826 fl->l_type = F_RDLCK; 827 break; 828 case ULTRIX_F_WRLCK: 829 fl->l_type = F_WRLCK; 830 break; 831 case ULTRIX_F_UNLCK: 832 fl->l_type = F_UNLCK; 833 break; 834 default: 835 return (EINVAL); 836 } 837 838 return (0); 839 } 840 841 static void 842 bsd_to_ultrix_flock(fl, ufl) 843 struct flock *fl; 844 struct ultrix_flock *ufl; 845 { 846 847 ufl->l_start = fl->l_start; 848 ufl->l_len = fl->l_len; 849 ufl->l_pid = fl->l_pid; 850 ufl->l_whence = fl->l_whence; 851 852 switch (fl->l_type) { 853 case F_RDLCK: 854 ufl->l_type = ULTRIX_F_RDLCK; 855 break; 856 case F_WRLCK: 857 ufl->l_type = ULTRIX_F_WRLCK; 858 break; 859 case F_UNLCK: 860 ufl->l_type = ULTRIX_F_UNLCK; 861 break; 862 } 863 } 864 865 int 866 ultrix_sys_fcntl(p, v, retval) 867 struct proc *p; 868 void *v; 869 register_t *retval; 870 { 871 struct ultrix_sys_fcntl_args *uap = v; 872 int error; 873 struct ultrix_flock ufl; 874 struct flock fl, *flp; 875 caddr_t sg; 876 struct sys_fcntl_args *args, fca; 877 878 switch (SCARG(uap, cmd)) { 879 case F_GETLK: 880 case F_SETLK: 881 case F_SETLKW: 882 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 883 if (error) 884 return (error); 885 error = ultrix_to_bsd_flock(&ufl, &fl); 886 if (error) 887 return (error); 888 sg = stackgap_init(p, 0); 889 flp = (struct flock *)stackgap_alloc(p, &sg, sizeof(*flp)); 890 error = copyout(&fl, flp, sizeof(*flp)); 891 if (error) 892 return (error); 893 894 SCARG(&fca, fd) = SCARG(uap, fd); 895 SCARG(&fca, cmd) = SCARG(uap, cmd); 896 SCARG(&fca, arg) = flp; 897 args = &fca; 898 break; 899 default: 900 args = v; 901 break; 902 } 903 904 error = sys_fcntl(p, args, retval); 905 if (error) 906 return (error); 907 908 switch (SCARG(uap, cmd)) { 909 case F_GETLK: 910 error = copyin(flp, &fl, sizeof(fl)); 911 if (error) 912 return (error); 913 bsd_to_ultrix_flock(&fl, &ufl); 914 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 915 break; 916 } 917 918 return (error); 919 } 920
Indexes created Tue Sep 23 23:09:58 GMT 2025