ultrix_misc.c revision 1.63
1 /* $NetBSD: ultrix_misc.c,v 1.63 2000/12/01 19:26:57 jdolecek 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 #if defined(_KERNEL) && !defined(_LKM) 83 #include "opt_nfsserver.h" 84 #include "opt_sysv.h" 85 #include "opt_execfmt.h" 86 #endif 87 88 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 89 90 /* 91 * Ultrix compatibility module. 92 * 93 * Ultrix system calls that are implemented differently in BSD are 94 * handled here. 95 */ 96 97 #if defined(_KERNEL) && !defined(_LKM) 98 #include "fs_nfs.h" 99 #endif 100 101 #include <sys/param.h> 102 #include <sys/systm.h> 103 #include <sys/namei.h> 104 #include <sys/dirent.h> 105 #include <sys/proc.h> 106 #include <sys/file.h> 107 #include <sys/filedesc.h> 108 #include <sys/kernel.h> 109 #include <sys/exec.h> 110 #include <sys/malloc.h> 111 #include <sys/mbuf.h> 112 #include <sys/mman.h> 113 #include <sys/mount.h> 114 #include <sys/resource.h> 115 #include <sys/resourcevar.h> 116 #include <sys/signal.h> 117 #include <sys/signalvar.h> 118 #include <sys/socket.h> 119 #include <sys/vnode.h> 120 #include <sys/uio.h> 121 #include <sys/wait.h> 122 #include <sys/utsname.h> 123 #include <sys/unistd.h> 124 #include <sys/ipc.h> 125 126 #include <sys/syscallargs.h> 127 128 #include <compat/ultrix/ultrix_syscall.h> 129 #include <compat/ultrix/ultrix_syscallargs.h> 130 #include <compat/common/compat_util.h> 131 132 #include <netinet/in.h> 133 134 #include <miscfs/specfs/specdev.h> 135 136 #include <nfs/rpcv2.h> 137 #include <nfs/nfsproto.h> 138 #include <nfs/nfs.h> 139 140 #include <sys/conf.h> /* iszerodev() */ 141 #include <sys/socketvar.h> /* sosetopt() */ 142 143 #include <compat/ultrix/ultrix_flock.h> 144 145 #ifdef EXEC_ECOFF 146 #include <sys/exec_ecoff.h> 147 #include <compat/ultrix/ultrix_exec.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[]; 155 156 #if 0 157 /* XXX what executable format does Ultrix/vax use ? */ 158 /* 159 * Select the appropriate setregs callback for the target architecture. 160 */ 161 #ifdef __mips__ 162 #include <machine/ecoff_machdep.h> 163 #define ULTRIX_EXEC_SETREGS cpu_exec_ecoff_setregs 164 #endif /* mips */ 165 166 #ifdef __vax__ 167 #define ULTRIX_EXEC_SETREGS setregs 168 #endif /* vax */ 169 #endif 170 171 172 extern char ultrix_sigcode[], ultrix_esigcode[]; 173 174 const struct emul emul_ultrix = { 175 "ultrix", 176 "/emul/ultrix", 177 NULL, 178 sendsig, 179 ULTRIX_SYS_syscall, 180 ULTRIX_SYS_MAXSYSCALL, 181 ultrix_sysent, 182 ultrix_syscallnames, 183 ultrix_sigcode, 184 ultrix_esigcode, 185 }; 186 187 #define GSI_PROG_ENV 1 188 189 int 190 ultrix_sys_getsysinfo(p, v, retval) 191 struct proc *p; 192 void *v; 193 register_t *retval; 194 { 195 struct ultrix_sys_getsysinfo_args *uap = v; 196 static short progenv = 0; 197 198 switch (SCARG(uap, op)) { 199 /* operations implemented: */ 200 case GSI_PROG_ENV: 201 if (SCARG(uap, nbytes) < sizeof(short)) 202 return EINVAL; 203 *retval = 1; 204 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 205 default: 206 *retval = 0; /* info unavail */ 207 return 0; 208 } 209 } 210 211 int 212 ultrix_sys_setsysinfo(p, v, retval) 213 struct proc *p; 214 void *v; 215 register_t *retval; 216 { 217 218 #ifdef notyet 219 struct ultrix_sys_setsysinfo_args *uap = v; 220 #endif 221 222 *retval = 0; 223 return 0; 224 } 225 226 int 227 ultrix_sys_waitpid(p, v, retval) 228 struct proc *p; 229 void *v; 230 register_t *retval; 231 { 232 struct ultrix_sys_waitpid_args *uap = v; 233 struct sys_wait4_args ua; 234 235 SCARG(&ua, pid) = SCARG(uap, pid); 236 SCARG(&ua, status) = SCARG(uap, status); 237 SCARG(&ua, options) = SCARG(uap, options); 238 SCARG(&ua, rusage) = 0; 239 240 return (sys_wait4(p, &ua, retval)); 241 } 242 243 int 244 ultrix_sys_wait3(p, v, retval) 245 struct proc *p; 246 void *v; 247 register_t *retval; 248 { 249 struct ultrix_sys_wait3_args *uap = v; 250 struct sys_wait4_args ua; 251 252 SCARG(&ua, pid) = -1; 253 SCARG(&ua, status) = SCARG(uap, status); 254 SCARG(&ua, options) = SCARG(uap, options); 255 SCARG(&ua, rusage) = SCARG(uap, rusage); 256 257 return (sys_wait4(p, &ua, retval)); 258 } 259 260 /* 261 * Ultrix binaries pass in FD_MAX as the first arg to select(). 262 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 263 * can handle. 264 * Since we can't have more than the (native) FD_MAX descriptors open, 265 * limit nfds to at most FD_MAX. 266 */ 267 int 268 ultrix_sys_select(p, v, retval) 269 struct proc *p; 270 void *v; 271 register_t *retval; 272 { 273 struct sys_select_args *uap = v; 274 struct timeval atv; 275 int error; 276 277 /* Limit number of FDs selected on to the native maximum */ 278 279 if (SCARG(uap, nd) > FD_SETSIZE) 280 SCARG(uap, nd) = FD_SETSIZE; 281 282 /* Check for negative timeval */ 283 if (SCARG(uap, tv)) { 284 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 285 sizeof(atv)); 286 if (error) 287 goto done; 288 #ifdef DEBUG 289 /* Ultrix clients sometimes give negative timeouts? */ 290 if (atv.tv_sec < 0 || atv.tv_usec < 0) 291 printf("ultrix select( %ld, %ld): negative timeout\n", 292 atv.tv_sec, atv.tv_usec); 293 /*tvp = (timeval *)STACKGAPBASE;*/ 294 #endif 295 296 } 297 error = sys_select(p, (void*) uap, retval); 298 if (error == EINVAL) 299 printf("ultrix select: bad args?\n"); 300 301 done: 302 return error; 303 } 304 305 #if defined(NFS) 306 int 307 async_daemon(p, v, retval) 308 struct proc *p; 309 void *v; 310 register_t *retval; 311 { 312 struct sys_nfssvc_args ouap; 313 314 SCARG(&ouap, flag) = NFSSVC_BIOD; 315 SCARG(&ouap, argp) = NULL; 316 317 return (sys_nfssvc(p, &ouap, retval)); 318 } 319 #endif /* NFS */ 320 321 322 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 323 324 int 325 ultrix_sys_mmap(p, v, retval) 326 struct proc *p; 327 void *v; 328 register_t *retval; 329 { 330 struct ultrix_sys_mmap_args *uap = v; 331 struct sys_mmap_args ouap; 332 struct filedesc *fdp; 333 struct file *fp; 334 struct vnode *vp; 335 336 /* 337 * Verify the arguments. 338 */ 339 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 340 return (EINVAL); /* XXX still needed? */ 341 342 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 343 return (EINVAL); 344 345 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 346 SCARG(&ouap, addr) = SCARG(uap, addr); 347 348 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 349 SCARG(&ouap, addr) != 0 && 350 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 351 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 352 353 SCARG(&ouap, len) = SCARG(uap, len); 354 SCARG(&ouap, prot) = SCARG(uap, prot); 355 SCARG(&ouap, fd) = SCARG(uap, fd); 356 SCARG(&ouap, pos) = SCARG(uap, pos); 357 358 /* 359 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 360 */ 361 fdp = p->p_fd; 362 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 363 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 364 fp->f_type == DTYPE_VNODE && /*XXX*/ 365 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 366 iszerodev(vp->v_rdev)) { /*XXX*/ 367 SCARG(&ouap, flags) |= MAP_ANON; 368 SCARG(&ouap, fd) = -1; 369 } 370 371 return (sys_mmap(p, &ouap, retval)); 372 } 373 374 int 375 ultrix_sys_setsockopt(p, v, retval) 376 struct proc *p; 377 void *v; 378 register_t *retval; 379 { 380 struct ultrix_sys_setsockopt_args *uap = v; 381 struct file *fp; 382 struct mbuf *m = NULL; 383 int error; 384 385 /* getsock() will use the descriptor for us */ 386 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 387 return (error); 388 #define SO_DONTLINGER (~SO_LINGER) 389 if (SCARG(uap, name) == SO_DONTLINGER) { 390 m = m_get(M_WAIT, MT_SOOPTS); 391 mtod(m, struct linger *)->l_onoff = 0; 392 m->m_len = sizeof(struct linger); 393 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 394 SO_LINGER, m); 395 } 396 if (SCARG(uap, level) == IPPROTO_IP) { 397 #define EMUL_IP_MULTICAST_IF 2 398 #define EMUL_IP_MULTICAST_TTL 3 399 #define EMUL_IP_MULTICAST_LOOP 4 400 #define EMUL_IP_ADD_MEMBERSHIP 5 401 #define EMUL_IP_DROP_MEMBERSHIP 6 402 static int ipoptxlat[] = { 403 IP_MULTICAST_IF, 404 IP_MULTICAST_TTL, 405 IP_MULTICAST_LOOP, 406 IP_ADD_MEMBERSHIP, 407 IP_DROP_MEMBERSHIP 408 }; 409 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 410 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 411 SCARG(uap, name) = 412 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 413 } 414 } 415 if (SCARG(uap, valsize) > MLEN) { 416 error = EINVAL; 417 goto out; 418 } 419 if (SCARG(uap, val)) { 420 m = m_get(M_WAIT, MT_SOOPTS); 421 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 422 (u_int)SCARG(uap, valsize)); 423 if (error) { 424 (void) m_free(m); 425 goto out; 426 } 427 m->m_len = SCARG(uap, valsize); 428 } 429 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 430 SCARG(uap, name), m); 431 out: 432 FILE_UNUSE(fp, p); 433 return (error); 434 } 435 436 #define ULTRIX__SYS_NMLN 32 437 438 struct ultrix_utsname { 439 char sysname[ULTRIX__SYS_NMLN]; 440 char nodename[ULTRIX__SYS_NMLN]; 441 char release[ULTRIX__SYS_NMLN]; 442 char version[ULTRIX__SYS_NMLN]; 443 char machine[ULTRIX__SYS_NMLN]; 444 }; 445 446 int 447 ultrix_sys_uname(p, v, retval) 448 struct proc *p; 449 void *v; 450 register_t *retval; 451 { 452 struct ultrix_sys_uname_args *uap = v; 453 struct ultrix_utsname sut; 454 const char *cp; 455 char *dp, *ep; 456 457 memset(&sut, 0, sizeof(sut)); 458 459 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 460 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 461 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 462 dp = sut.version; 463 ep = &sut.version[sizeof(sut.version) - 1]; 464 for (cp = version; *cp && *cp != '('; cp++) 465 ; 466 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 467 *dp++ = *cp; 468 for (; *cp && *cp != '#'; cp++) 469 ; 470 for (; *cp && *cp != ':' && dp < ep; cp++) 471 *dp++ = *cp; 472 *dp = '\0'; 473 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 474 475 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 476 sizeof(struct ultrix_utsname)); 477 } 478 479 int 480 ultrix_sys_setpgrp(p, v, retval) 481 struct proc *p; 482 void *v; 483 register_t *retval; 484 { 485 struct ultrix_sys_setpgrp_args *uap = v; 486 487 /* 488 * difference to our setpgid call is to include backwards 489 * compatibility to pre-setsid() binaries. Do setsid() 490 * instead of setpgid() in those cases where the process 491 * tries to create a new session the old way. 492 */ 493 if (!SCARG(uap, pgid) && 494 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 495 return sys_setsid(p, uap, retval); 496 else 497 return sys_setpgid(p, uap, retval); 498 } 499 500 #if defined (NFSSERVER) 501 int 502 ultrix_sys_nfssvc(p, v, retval) 503 struct proc *p; 504 void *v; 505 register_t *retval; 506 { 507 508 #if 0 /* XXX */ 509 struct ultrix_sys_nfssvc_args *uap = v; 510 struct emul *e = p->p_emul; 511 struct sys_nfssvc_args outuap; 512 struct sockaddr sa; 513 int error; 514 515 memset(&outuap, 0, sizeof outuap); 516 SCARG(&outuap, fd) = SCARG(uap, fd); 517 SCARG(&outuap, mskval) = STACKGAPBASE; 518 SCARG(&outuap, msklen) = sizeof sa; 519 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 520 SCARG(&outuap, mtchlen) = sizeof sa; 521 522 memset(&sa, 0, sizeof sa); 523 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 524 return (error); 525 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 526 return (error); 527 528 return nfssvc(p, &outuap, retval); 529 #else 530 return (ENOSYS); 531 #endif 532 } 533 #endif /* NFSSERVER */ 534 535 struct ultrix_ustat { 536 daddr_t f_tfree; /* total free */ 537 ino_t f_tinode; /* total inodes free */ 538 char f_fname[6]; /* filsys name */ 539 char f_fpack[6]; /* filsys pack name */ 540 }; 541 542 int 543 ultrix_sys_ustat(p, v, retval) 544 struct proc *p; 545 void *v; 546 register_t *retval; 547 { 548 struct ultrix_sys_ustat_args *uap = v; 549 struct ultrix_ustat us; 550 int error; 551 552 memset(&us, 0, sizeof us); 553 554 /* 555 * XXX: should set f_tfree and f_tinode at least 556 * How do we translate dev -> fstat? (and then to ultrix_ustat) 557 */ 558 559 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 560 return (error); 561 return 0; 562 } 563 564 int 565 ultrix_sys_quotactl(p, v, retval) 566 struct proc *p; 567 void *v; 568 register_t *retval; 569 { 570 571 #ifdef notyet 572 struct ultrix_sys_quotactl_args *uap = v; 573 #endif 574 575 return EINVAL; 576 } 577 578 int 579 ultrix_sys_vhangup(p, v, retval) 580 struct proc *p; 581 void *v; 582 register_t *retval; 583 { 584 585 return 0; 586 } 587 588 589 /* 590 * RISC Ultrix cache control syscalls 591 */ 592 #ifdef __mips 593 int 594 ultrix_sys_cacheflush(p, v, retval) 595 struct proc *p; 596 void *v; 597 register_t *retval; 598 { 599 struct ultrix_sys_cacheflush_args /* { 600 syscallarg(void *) addr; 601 syscallarg(int) nbytes; 602 syscallarg(int) flag; 603 } */ *uap = v; 604 vaddr_t va = (vaddr_t)SCARG(uap, addr); 605 int nbytes = SCARG(uap, nbytes); 606 int whichcache = SCARG(uap, whichcache); 607 608 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 609 } 610 611 612 int 613 ultrix_sys_cachectl(p, v, retval) 614 struct proc *p; 615 void *v; 616 register_t *retval; 617 { 618 struct ultrix_sys_cachectl_args /* { 619 syscallarg(void *) addr; 620 syscallarg(int) nbytes; 621 syscallarg(int) cacheop; 622 } */ *uap = v; 623 vaddr_t va = (vaddr_t)SCARG(uap, addr); 624 int nbytes = SCARG(uap, nbytes); 625 int cacheop = SCARG(uap, cacheop); 626 627 return mips_user_cachectl(p, va, nbytes, cacheop); 628 } 629 630 #endif /* __mips */ 631 632 633 int 634 ultrix_sys_exportfs(p, v, retval) 635 struct proc *p; 636 void *v; 637 register_t *retval; 638 { 639 #ifdef notyet 640 struct ultrix_sys_exportfs_args *uap = v; 641 #endif 642 643 /* 644 * XXX: should perhaps translate into a mount(2) 645 * with MOUNT_EXPORT? 646 */ 647 return 0; 648 } 649 650 int 651 ultrix_sys_sigpending(p, v, retval) 652 struct proc *p; 653 void *v; 654 register_t *retval; 655 { 656 struct ultrix_sys_sigpending_args *uap = v; 657 sigset_t ss; 658 int mask; 659 660 sigpending1(p, &ss); 661 mask = ss.__bits[0]; 662 663 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 664 } 665 666 int 667 ultrix_sys_sigreturn(p, v, retval) 668 struct proc *p; 669 void *v; 670 register_t *retval; 671 { 672 struct ultrix_sys_sigreturn_args *uap = v; 673 674 /* struct sigcontext13 is close enough to Ultrix */ 675 676 return (compat_13_sys_sigreturn(p, uap, retval)); 677 } 678 679 int 680 ultrix_sys_sigcleanup(p, v, retval) 681 struct proc *p; 682 void *v; 683 register_t *retval; 684 { 685 struct ultrix_sys_sigcleanup_args *uap = v; 686 687 /* struct sigcontext13 is close enough to Ultrix */ 688 689 return (compat_13_sys_sigreturn(p, uap, retval)); 690 } 691 692 int 693 ultrix_sys_sigsuspend(p, v, retval) 694 struct proc *p; 695 void *v; 696 register_t *retval; 697 { 698 struct ultrix_sys_sigsuspend_args *uap = v; 699 int mask = SCARG(uap, mask); 700 sigset_t ss; 701 702 ss.__bits[0] = mask; 703 ss.__bits[1] = 0; 704 ss.__bits[2] = 0; 705 ss.__bits[3] = 0; 706 707 return (sigsuspend1(p, &ss)); 708 } 709 710 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 711 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 712 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 713 714 int 715 ultrix_sys_sigvec(p, v, retval) 716 struct proc *p; 717 void *v; 718 register_t *retval; 719 { 720 struct ultrix_sys_sigvec_args *uap = v; 721 struct sigvec nsv, osv; 722 struct sigaction nsa, osa; 723 int error; 724 725 if (SCARG(uap, nsv)) { 726 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 727 if (error) 728 return (error); 729 nsa.sa_handler = nsv.sv_handler; 730 #if 0 /* documentation */ 731 /* ONSTACK is identical */ 732 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 733 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 734 /* old signal() - always restart */ 735 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 736 /* inverted meaning (same bit) */ 737 ) 738 nsa.sa_flags |= SA_RESTART; 739 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 740 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 741 nsa.sa_flags ^= SA_RESTART; 742 #endif 743 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 744 } 745 error = sigaction1(p, SCARG(uap, signum), 746 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 747 if (error) 748 return (error); 749 if (SCARG(uap, osv)) { 750 osv.sv_handler = osa.sa_handler; 751 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 752 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 753 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 754 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 755 if (error) 756 return (error); 757 } 758 return (0); 759 } 760 761 int 762 ultrix_sys_shmsys(p, v, retval) 763 struct proc *p; 764 void *v; 765 register_t *retval; 766 { 767 768 #ifdef SYSVSHM 769 770 /* Ultrix SVSHM weirndess: */ 771 struct ultrix_sys_shmsys_args *uap = v; 772 struct sys_shmat_args shmat_args; 773 struct compat_14_sys_shmctl_args shmctl_args; 774 struct sys_shmdt_args shmdt_args; 775 struct sys_shmget_args shmget_args; 776 777 778 switch (SCARG(uap, shmop)) { 779 case 0: /* Ultrix shmat() */ 780 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 781 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 782 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 783 return (sys_shmat(p, &shmat_args, retval)); 784 785 case 1: /* Ultrix shmctl() */ 786 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 787 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 788 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 789 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 790 791 case 2: /* Ultrix shmdt() */ 792 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 793 return (sys_shmdt(p, &shmdt_args, retval)); 794 795 case 3: /* Ultrix shmget() */ 796 SCARG(&shmget_args, key) = SCARG(uap, a2); 797 SCARG(&shmget_args, size) = SCARG(uap, a3); 798 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 799 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 800 return (sys_shmget(p, &shmget_args, retval)); 801 802 default: 803 return (EINVAL); 804 } 805 #else 806 return (EOPNOTSUPP); 807 #endif /* SYSVSHM */ 808 } 809 810 static int 811 ultrix_to_bsd_flock(ufl, fl) 812 struct ultrix_flock *ufl; 813 struct flock *fl; 814 { 815 816 fl->l_start = ufl->l_start; 817 fl->l_len = ufl->l_len; 818 fl->l_pid = ufl->l_pid; 819 fl->l_whence = ufl->l_whence; 820 821 switch (ufl->l_type) { 822 case ULTRIX_F_RDLCK: 823 fl->l_type = F_RDLCK; 824 break; 825 case ULTRIX_F_WRLCK: 826 fl->l_type = F_WRLCK; 827 break; 828 case ULTRIX_F_UNLCK: 829 fl->l_type = F_UNLCK; 830 break; 831 default: 832 return (EINVAL); 833 } 834 835 return (0); 836 } 837 838 static void 839 bsd_to_ultrix_flock(fl, ufl) 840 struct flock *fl; 841 struct ultrix_flock *ufl; 842 { 843 844 ufl->l_start = fl->l_start; 845 ufl->l_len = fl->l_len; 846 ufl->l_pid = fl->l_pid; 847 ufl->l_whence = fl->l_whence; 848 849 switch (fl->l_type) { 850 case F_RDLCK: 851 ufl->l_type = ULTRIX_F_RDLCK; 852 break; 853 case F_WRLCK: 854 ufl->l_type = ULTRIX_F_WRLCK; 855 break; 856 case F_UNLCK: 857 ufl->l_type = ULTRIX_F_UNLCK; 858 break; 859 } 860 } 861 862 int 863 ultrix_sys_fcntl(p, v, retval) 864 struct proc *p; 865 void *v; 866 register_t *retval; 867 { 868 struct ultrix_sys_fcntl_args *uap = v; 869 int error; 870 struct ultrix_flock ufl; 871 struct flock fl, *flp; 872 caddr_t sg; 873 struct sys_fcntl_args *args, fca; 874 875 switch (SCARG(uap, cmd)) { 876 case F_GETLK: 877 case F_SETLK: 878 case F_SETLKW: 879 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 880 if (error) 881 return (error); 882 error = ultrix_to_bsd_flock(&ufl, &fl); 883 if (error) 884 return (error); 885 sg = stackgap_init(p->p_emul); 886 flp = (struct flock *)stackgap_alloc(&sg, sizeof(*flp)); 887 error = copyout(&fl, flp, sizeof(*flp)); 888 if (error) 889 return (error); 890 891 SCARG(&fca, fd) = SCARG(uap, fd); 892 SCARG(&fca, cmd) = SCARG(uap, cmd); 893 SCARG(&fca, arg) = flp; 894 args = &fca; 895 break; 896 default: 897 args = v; 898 break; 899 } 900 901 error = sys_fcntl(p, args, retval); 902 if (error) 903 return (error); 904 905 switch (SCARG(uap, cmd)) { 906 case F_GETLK: 907 error = copyin(flp, &fl, sizeof(fl)); 908 if (error) 909 return (error); 910 bsd_to_ultrix_flock(&fl, &ufl); 911 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 912 break; 913 } 914 915 return (error); 916 } 917 918 #ifdef EXEC_ECOFF 919 /* 920 * cpu_exec_ecoff_probe(): 921 * cpu-dependent ECOFF format hook for execve(). 922 * 923 * Do any machine-dependent diddling of the exec package when doing ECOFF. 924 * 925 */ 926 int 927 ultrix_exec_ecoff_probe(p, epp) 928 struct proc *p; 929 struct exec_package *epp; 930 { 931 /* XXX should add some check here */ 932 return 0; 933 } 934 #endif 935
Indexes created Mon Sep 22 13:09:51 GMT 2025