ultrix_misc.c revision 1.62
1 /* $NetBSD: ultrix_misc.c,v 1.62 2000/12/01 12:28:36 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 #include "opt_nfsserver.h" 83 #include "opt_sysv.h" 84 #include "opt_execfmt.h" 85 86 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 87 88 /* 89 * Ultrix compatibility module. 90 * 91 * Ultrix system calls that are implemented differently in BSD are 92 * handled here. 93 */ 94 95 #include "fs_nfs.h" 96 97 #include <sys/param.h> 98 #include <sys/systm.h> 99 #include <sys/namei.h> 100 #include <sys/dirent.h> 101 #include <sys/proc.h> 102 #include <sys/file.h> 103 #include <sys/filedesc.h> 104 #include <sys/kernel.h> 105 #include <sys/exec.h> 106 #include <sys/malloc.h> 107 #include <sys/mbuf.h> 108 #include <sys/mman.h> 109 #include <sys/mount.h> 110 #include <sys/resource.h> 111 #include <sys/resourcevar.h> 112 #include <sys/signal.h> 113 #include <sys/signalvar.h> 114 #include <sys/socket.h> 115 #include <sys/vnode.h> 116 #include <sys/uio.h> 117 #include <sys/wait.h> 118 #include <sys/utsname.h> 119 #include <sys/unistd.h> 120 #include <sys/ipc.h> 121 122 #include <sys/syscallargs.h> 123 124 #include <compat/ultrix/ultrix_syscall.h> 125 #include <compat/ultrix/ultrix_syscallargs.h> 126 #include <compat/common/compat_util.h> 127 128 #include <netinet/in.h> 129 130 #include <miscfs/specfs/specdev.h> 131 132 #include <nfs/rpcv2.h> 133 #include <nfs/nfsproto.h> 134 #include <nfs/nfs.h> 135 136 #include <sys/conf.h> /* iszerodev() */ 137 #include <sys/socketvar.h> /* sosetopt() */ 138 139 #include <compat/ultrix/ultrix_flock.h> 140 141 #ifdef EXEC_ECOFF 142 #include <sys/exec_ecoff.h> 143 #include <compat/ultrix/ultrix_exec.h> 144 #endif 145 146 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 147 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 148 149 extern struct sysent ultrix_sysent[]; 150 extern const char * const ultrix_syscallnames[]; 151 152 #if 0 153 /* XXX what executable format does Ultrix/vax use ? */ 154 /* 155 * Select the appropriate setregs callback for the target architecture. 156 */ 157 #ifdef __mips__ 158 #include <machine/ecoff_machdep.h> 159 #define ULTRIX_EXEC_SETREGS cpu_exec_ecoff_setregs 160 #endif /* mips */ 161 162 #ifdef __vax__ 163 #define ULTRIX_EXEC_SETREGS setregs 164 #endif /* vax */ 165 #endif 166 167 168 extern char ultrix_sigcode[], ultrix_esigcode[]; 169 170 const struct emul emul_ultrix = { 171 "ultrix", 172 "/emul/ultrix", 173 NULL, 174 sendsig, 175 ULTRIX_SYS_syscall, 176 ULTRIX_SYS_MAXSYSCALL, 177 ultrix_sysent, 178 ultrix_syscallnames, 179 ultrix_sigcode, 180 ultrix_esigcode, 181 }; 182 183 #define GSI_PROG_ENV 1 184 185 int 186 ultrix_sys_getsysinfo(p, v, retval) 187 struct proc *p; 188 void *v; 189 register_t *retval; 190 { 191 struct ultrix_sys_getsysinfo_args *uap = v; 192 static short progenv = 0; 193 194 switch (SCARG(uap, op)) { 195 /* operations implemented: */ 196 case GSI_PROG_ENV: 197 if (SCARG(uap, nbytes) < sizeof(short)) 198 return EINVAL; 199 *retval = 1; 200 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 201 default: 202 *retval = 0; /* info unavail */ 203 return 0; 204 } 205 } 206 207 int 208 ultrix_sys_setsysinfo(p, v, retval) 209 struct proc *p; 210 void *v; 211 register_t *retval; 212 { 213 214 #ifdef notyet 215 struct ultrix_sys_setsysinfo_args *uap = v; 216 #endif 217 218 *retval = 0; 219 return 0; 220 } 221 222 int 223 ultrix_sys_waitpid(p, v, retval) 224 struct proc *p; 225 void *v; 226 register_t *retval; 227 { 228 struct ultrix_sys_waitpid_args *uap = v; 229 struct sys_wait4_args ua; 230 231 SCARG(&ua, pid) = SCARG(uap, pid); 232 SCARG(&ua, status) = SCARG(uap, status); 233 SCARG(&ua, options) = SCARG(uap, options); 234 SCARG(&ua, rusage) = 0; 235 236 return (sys_wait4(p, &ua, retval)); 237 } 238 239 int 240 ultrix_sys_wait3(p, v, retval) 241 struct proc *p; 242 void *v; 243 register_t *retval; 244 { 245 struct ultrix_sys_wait3_args *uap = v; 246 struct sys_wait4_args ua; 247 248 SCARG(&ua, pid) = -1; 249 SCARG(&ua, status) = SCARG(uap, status); 250 SCARG(&ua, options) = SCARG(uap, options); 251 SCARG(&ua, rusage) = SCARG(uap, rusage); 252 253 return (sys_wait4(p, &ua, retval)); 254 } 255 256 /* 257 * Ultrix binaries pass in FD_MAX as the first arg to select(). 258 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 259 * can handle. 260 * Since we can't have more than the (native) FD_MAX descriptors open, 261 * limit nfds to at most FD_MAX. 262 */ 263 int 264 ultrix_sys_select(p, v, retval) 265 struct proc *p; 266 void *v; 267 register_t *retval; 268 { 269 struct sys_select_args *uap = v; 270 struct timeval atv; 271 int error; 272 273 /* Limit number of FDs selected on to the native maximum */ 274 275 if (SCARG(uap, nd) > FD_SETSIZE) 276 SCARG(uap, nd) = FD_SETSIZE; 277 278 /* Check for negative timeval */ 279 if (SCARG(uap, tv)) { 280 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 281 sizeof(atv)); 282 if (error) 283 goto done; 284 #ifdef DEBUG 285 /* Ultrix clients sometimes give negative timeouts? */ 286 if (atv.tv_sec < 0 || atv.tv_usec < 0) 287 printf("ultrix select( %ld, %ld): negative timeout\n", 288 atv.tv_sec, atv.tv_usec); 289 /*tvp = (timeval *)STACKGAPBASE;*/ 290 #endif 291 292 } 293 error = sys_select(p, (void*) uap, retval); 294 if (error == EINVAL) 295 printf("ultrix select: bad args?\n"); 296 297 done: 298 return error; 299 } 300 301 #if defined(NFS) 302 int 303 async_daemon(p, v, retval) 304 struct proc *p; 305 void *v; 306 register_t *retval; 307 { 308 struct sys_nfssvc_args ouap; 309 310 SCARG(&ouap, flag) = NFSSVC_BIOD; 311 SCARG(&ouap, argp) = NULL; 312 313 return (sys_nfssvc(p, &ouap, retval)); 314 } 315 #endif /* NFS */ 316 317 318 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 319 320 int 321 ultrix_sys_mmap(p, v, retval) 322 struct proc *p; 323 void *v; 324 register_t *retval; 325 { 326 struct ultrix_sys_mmap_args *uap = v; 327 struct sys_mmap_args ouap; 328 struct filedesc *fdp; 329 struct file *fp; 330 struct vnode *vp; 331 332 /* 333 * Verify the arguments. 334 */ 335 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 336 return (EINVAL); /* XXX still needed? */ 337 338 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 339 return (EINVAL); 340 341 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 342 SCARG(&ouap, addr) = SCARG(uap, addr); 343 344 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 345 SCARG(&ouap, addr) != 0 && 346 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 347 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 348 349 SCARG(&ouap, len) = SCARG(uap, len); 350 SCARG(&ouap, prot) = SCARG(uap, prot); 351 SCARG(&ouap, fd) = SCARG(uap, fd); 352 SCARG(&ouap, pos) = SCARG(uap, pos); 353 354 /* 355 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 356 */ 357 fdp = p->p_fd; 358 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 359 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 360 fp->f_type == DTYPE_VNODE && /*XXX*/ 361 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 362 iszerodev(vp->v_rdev)) { /*XXX*/ 363 SCARG(&ouap, flags) |= MAP_ANON; 364 SCARG(&ouap, fd) = -1; 365 } 366 367 return (sys_mmap(p, &ouap, retval)); 368 } 369 370 int 371 ultrix_sys_setsockopt(p, v, retval) 372 struct proc *p; 373 void *v; 374 register_t *retval; 375 { 376 struct ultrix_sys_setsockopt_args *uap = v; 377 struct file *fp; 378 struct mbuf *m = NULL; 379 int error; 380 381 /* getsock() will use the descriptor for us */ 382 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 383 return (error); 384 #define SO_DONTLINGER (~SO_LINGER) 385 if (SCARG(uap, name) == SO_DONTLINGER) { 386 m = m_get(M_WAIT, MT_SOOPTS); 387 mtod(m, struct linger *)->l_onoff = 0; 388 m->m_len = sizeof(struct linger); 389 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 390 SO_LINGER, m); 391 } 392 if (SCARG(uap, level) == IPPROTO_IP) { 393 #define EMUL_IP_MULTICAST_IF 2 394 #define EMUL_IP_MULTICAST_TTL 3 395 #define EMUL_IP_MULTICAST_LOOP 4 396 #define EMUL_IP_ADD_MEMBERSHIP 5 397 #define EMUL_IP_DROP_MEMBERSHIP 6 398 static int ipoptxlat[] = { 399 IP_MULTICAST_IF, 400 IP_MULTICAST_TTL, 401 IP_MULTICAST_LOOP, 402 IP_ADD_MEMBERSHIP, 403 IP_DROP_MEMBERSHIP 404 }; 405 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 406 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 407 SCARG(uap, name) = 408 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 409 } 410 } 411 if (SCARG(uap, valsize) > MLEN) { 412 error = EINVAL; 413 goto out; 414 } 415 if (SCARG(uap, val)) { 416 m = m_get(M_WAIT, MT_SOOPTS); 417 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 418 (u_int)SCARG(uap, valsize)); 419 if (error) { 420 (void) m_free(m); 421 goto out; 422 } 423 m->m_len = SCARG(uap, valsize); 424 } 425 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 426 SCARG(uap, name), m); 427 out: 428 FILE_UNUSE(fp, p); 429 return (error); 430 } 431 432 #define ULTRIX__SYS_NMLN 32 433 434 struct ultrix_utsname { 435 char sysname[ULTRIX__SYS_NMLN]; 436 char nodename[ULTRIX__SYS_NMLN]; 437 char release[ULTRIX__SYS_NMLN]; 438 char version[ULTRIX__SYS_NMLN]; 439 char machine[ULTRIX__SYS_NMLN]; 440 }; 441 442 int 443 ultrix_sys_uname(p, v, retval) 444 struct proc *p; 445 void *v; 446 register_t *retval; 447 { 448 struct ultrix_sys_uname_args *uap = v; 449 struct ultrix_utsname sut; 450 const char *cp; 451 char *dp, *ep; 452 453 memset(&sut, 0, sizeof(sut)); 454 455 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 456 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 457 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 458 dp = sut.version; 459 ep = &sut.version[sizeof(sut.version) - 1]; 460 for (cp = version; *cp && *cp != '('; cp++) 461 ; 462 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 463 *dp++ = *cp; 464 for (; *cp && *cp != '#'; cp++) 465 ; 466 for (; *cp && *cp != ':' && dp < ep; cp++) 467 *dp++ = *cp; 468 *dp = '\0'; 469 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 470 471 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 472 sizeof(struct ultrix_utsname)); 473 } 474 475 int 476 ultrix_sys_setpgrp(p, v, retval) 477 struct proc *p; 478 void *v; 479 register_t *retval; 480 { 481 struct ultrix_sys_setpgrp_args *uap = v; 482 483 /* 484 * difference to our setpgid call is to include backwards 485 * compatibility to pre-setsid() binaries. Do setsid() 486 * instead of setpgid() in those cases where the process 487 * tries to create a new session the old way. 488 */ 489 if (!SCARG(uap, pgid) && 490 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 491 return sys_setsid(p, uap, retval); 492 else 493 return sys_setpgid(p, uap, retval); 494 } 495 496 #if defined (NFSSERVER) 497 int 498 ultrix_sys_nfssvc(p, v, retval) 499 struct proc *p; 500 void *v; 501 register_t *retval; 502 { 503 504 #if 0 /* XXX */ 505 struct ultrix_sys_nfssvc_args *uap = v; 506 struct emul *e = p->p_emul; 507 struct sys_nfssvc_args outuap; 508 struct sockaddr sa; 509 int error; 510 511 memset(&outuap, 0, sizeof outuap); 512 SCARG(&outuap, fd) = SCARG(uap, fd); 513 SCARG(&outuap, mskval) = STACKGAPBASE; 514 SCARG(&outuap, msklen) = sizeof sa; 515 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 516 SCARG(&outuap, mtchlen) = sizeof sa; 517 518 memset(&sa, 0, sizeof sa); 519 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 520 return (error); 521 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 522 return (error); 523 524 return nfssvc(p, &outuap, retval); 525 #else 526 return (ENOSYS); 527 #endif 528 } 529 #endif /* NFSSERVER */ 530 531 struct ultrix_ustat { 532 daddr_t f_tfree; /* total free */ 533 ino_t f_tinode; /* total inodes free */ 534 char f_fname[6]; /* filsys name */ 535 char f_fpack[6]; /* filsys pack name */ 536 }; 537 538 int 539 ultrix_sys_ustat(p, v, retval) 540 struct proc *p; 541 void *v; 542 register_t *retval; 543 { 544 struct ultrix_sys_ustat_args *uap = v; 545 struct ultrix_ustat us; 546 int error; 547 548 memset(&us, 0, sizeof us); 549 550 /* 551 * XXX: should set f_tfree and f_tinode at least 552 * How do we translate dev -> fstat? (and then to ultrix_ustat) 553 */ 554 555 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 556 return (error); 557 return 0; 558 } 559 560 int 561 ultrix_sys_quotactl(p, v, retval) 562 struct proc *p; 563 void *v; 564 register_t *retval; 565 { 566 567 #ifdef notyet 568 struct ultrix_sys_quotactl_args *uap = v; 569 #endif 570 571 return EINVAL; 572 } 573 574 int 575 ultrix_sys_vhangup(p, v, retval) 576 struct proc *p; 577 void *v; 578 register_t *retval; 579 { 580 581 return 0; 582 } 583 584 585 /* 586 * RISC Ultrix cache control syscalls 587 */ 588 #ifdef __mips 589 int 590 ultrix_sys_cacheflush(p, v, retval) 591 struct proc *p; 592 void *v; 593 register_t *retval; 594 { 595 struct ultrix_sys_cacheflush_args /* { 596 syscallarg(void *) addr; 597 syscallarg(int) nbytes; 598 syscallarg(int) flag; 599 } */ *uap = v; 600 vaddr_t va = (vaddr_t)SCARG(uap, addr); 601 int nbytes = SCARG(uap, nbytes); 602 int whichcache = SCARG(uap, whichcache); 603 604 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 605 } 606 607 608 int 609 ultrix_sys_cachectl(p, v, retval) 610 struct proc *p; 611 void *v; 612 register_t *retval; 613 { 614 struct ultrix_sys_cachectl_args /* { 615 syscallarg(void *) addr; 616 syscallarg(int) nbytes; 617 syscallarg(int) cacheop; 618 } */ *uap = v; 619 vaddr_t va = (vaddr_t)SCARG(uap, addr); 620 int nbytes = SCARG(uap, nbytes); 621 int cacheop = SCARG(uap, cacheop); 622 623 return mips_user_cachectl(p, va, nbytes, cacheop); 624 } 625 626 #endif /* __mips */ 627 628 629 int 630 ultrix_sys_exportfs(p, v, retval) 631 struct proc *p; 632 void *v; 633 register_t *retval; 634 { 635 #ifdef notyet 636 struct ultrix_sys_exportfs_args *uap = v; 637 #endif 638 639 /* 640 * XXX: should perhaps translate into a mount(2) 641 * with MOUNT_EXPORT? 642 */ 643 return 0; 644 } 645 646 int 647 ultrix_sys_sigpending(p, v, retval) 648 struct proc *p; 649 void *v; 650 register_t *retval; 651 { 652 struct ultrix_sys_sigpending_args *uap = v; 653 sigset_t ss; 654 int mask; 655 656 sigpending1(p, &ss); 657 mask = ss.__bits[0]; 658 659 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 660 } 661 662 int 663 ultrix_sys_sigreturn(p, v, retval) 664 struct proc *p; 665 void *v; 666 register_t *retval; 667 { 668 struct ultrix_sys_sigreturn_args *uap = v; 669 670 /* struct sigcontext13 is close enough to Ultrix */ 671 672 return (compat_13_sys_sigreturn(p, uap, retval)); 673 } 674 675 int 676 ultrix_sys_sigcleanup(p, v, retval) 677 struct proc *p; 678 void *v; 679 register_t *retval; 680 { 681 struct ultrix_sys_sigcleanup_args *uap = v; 682 683 /* struct sigcontext13 is close enough to Ultrix */ 684 685 return (compat_13_sys_sigreturn(p, uap, retval)); 686 } 687 688 int 689 ultrix_sys_sigsuspend(p, v, retval) 690 struct proc *p; 691 void *v; 692 register_t *retval; 693 { 694 struct ultrix_sys_sigsuspend_args *uap = v; 695 int mask = SCARG(uap, mask); 696 sigset_t ss; 697 698 ss.__bits[0] = mask; 699 ss.__bits[1] = 0; 700 ss.__bits[2] = 0; 701 ss.__bits[3] = 0; 702 703 return (sigsuspend1(p, &ss)); 704 } 705 706 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 707 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 708 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 709 710 int 711 ultrix_sys_sigvec(p, v, retval) 712 struct proc *p; 713 void *v; 714 register_t *retval; 715 { 716 struct ultrix_sys_sigvec_args *uap = v; 717 struct sigvec nsv, osv; 718 struct sigaction nsa, osa; 719 int error; 720 721 if (SCARG(uap, nsv)) { 722 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 723 if (error) 724 return (error); 725 nsa.sa_handler = nsv.sv_handler; 726 #if 0 /* documentation */ 727 /* ONSTACK is identical */ 728 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 729 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 730 /* old signal() - always restart */ 731 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 732 /* inverted meaning (same bit) */ 733 ) 734 nsa.sa_flags |= SA_RESTART; 735 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 736 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 737 nsa.sa_flags ^= SA_RESTART; 738 #endif 739 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 740 } 741 error = sigaction1(p, SCARG(uap, signum), 742 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 743 if (error) 744 return (error); 745 if (SCARG(uap, osv)) { 746 osv.sv_handler = osa.sa_handler; 747 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 748 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 749 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 750 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 751 if (error) 752 return (error); 753 } 754 return (0); 755 } 756 757 int 758 ultrix_sys_shmsys(p, v, retval) 759 struct proc *p; 760 void *v; 761 register_t *retval; 762 { 763 764 #ifdef SYSVSHM 765 766 /* Ultrix SVSHM weirndess: */ 767 struct ultrix_sys_shmsys_args *uap = v; 768 struct sys_shmat_args shmat_args; 769 struct compat_14_sys_shmctl_args shmctl_args; 770 struct sys_shmdt_args shmdt_args; 771 struct sys_shmget_args shmget_args; 772 773 774 switch (SCARG(uap, shmop)) { 775 case 0: /* Ultrix shmat() */ 776 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 777 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 778 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 779 return (sys_shmat(p, &shmat_args, retval)); 780 781 case 1: /* Ultrix shmctl() */ 782 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 783 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 784 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 785 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 786 787 case 2: /* Ultrix shmdt() */ 788 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 789 return (sys_shmdt(p, &shmdt_args, retval)); 790 791 case 3: /* Ultrix shmget() */ 792 SCARG(&shmget_args, key) = SCARG(uap, a2); 793 SCARG(&shmget_args, size) = SCARG(uap, a3); 794 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 795 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 796 return (sys_shmget(p, &shmget_args, retval)); 797 798 default: 799 return (EINVAL); 800 } 801 #else 802 return (EOPNOTSUPP); 803 #endif /* SYSVSHM */ 804 } 805 806 static int 807 ultrix_to_bsd_flock(ufl, fl) 808 struct ultrix_flock *ufl; 809 struct flock *fl; 810 { 811 812 fl->l_start = ufl->l_start; 813 fl->l_len = ufl->l_len; 814 fl->l_pid = ufl->l_pid; 815 fl->l_whence = ufl->l_whence; 816 817 switch (ufl->l_type) { 818 case ULTRIX_F_RDLCK: 819 fl->l_type = F_RDLCK; 820 break; 821 case ULTRIX_F_WRLCK: 822 fl->l_type = F_WRLCK; 823 break; 824 case ULTRIX_F_UNLCK: 825 fl->l_type = F_UNLCK; 826 break; 827 default: 828 return (EINVAL); 829 } 830 831 return (0); 832 } 833 834 static void 835 bsd_to_ultrix_flock(fl, ufl) 836 struct flock *fl; 837 struct ultrix_flock *ufl; 838 { 839 840 ufl->l_start = fl->l_start; 841 ufl->l_len = fl->l_len; 842 ufl->l_pid = fl->l_pid; 843 ufl->l_whence = fl->l_whence; 844 845 switch (fl->l_type) { 846 case F_RDLCK: 847 ufl->l_type = ULTRIX_F_RDLCK; 848 break; 849 case F_WRLCK: 850 ufl->l_type = ULTRIX_F_WRLCK; 851 break; 852 case F_UNLCK: 853 ufl->l_type = ULTRIX_F_UNLCK; 854 break; 855 } 856 } 857 858 int 859 ultrix_sys_fcntl(p, v, retval) 860 struct proc *p; 861 void *v; 862 register_t *retval; 863 { 864 struct ultrix_sys_fcntl_args *uap = v; 865 int error; 866 struct ultrix_flock ufl; 867 struct flock fl, *flp; 868 caddr_t sg; 869 struct sys_fcntl_args *args, fca; 870 871 switch (SCARG(uap, cmd)) { 872 case F_GETLK: 873 case F_SETLK: 874 case F_SETLKW: 875 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 876 if (error) 877 return (error); 878 error = ultrix_to_bsd_flock(&ufl, &fl); 879 if (error) 880 return (error); 881 sg = stackgap_init(p->p_emul); 882 flp = (struct flock *)stackgap_alloc(&sg, sizeof(*flp)); 883 error = copyout(&fl, flp, sizeof(*flp)); 884 if (error) 885 return (error); 886 887 SCARG(&fca, fd) = SCARG(uap, fd); 888 SCARG(&fca, cmd) = SCARG(uap, cmd); 889 SCARG(&fca, arg) = flp; 890 args = &fca; 891 break; 892 default: 893 args = v; 894 break; 895 } 896 897 error = sys_fcntl(p, args, retval); 898 if (error) 899 return (error); 900 901 switch (SCARG(uap, cmd)) { 902 case F_GETLK: 903 error = copyin(flp, &fl, sizeof(fl)); 904 if (error) 905 return (error); 906 bsd_to_ultrix_flock(&fl, &ufl); 907 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 908 break; 909 } 910 911 return (error); 912 } 913 914 #ifdef EXEC_ECOFF 915 /* 916 * cpu_exec_ecoff_probe(): 917 * cpu-dependent ECOFF format hook for execve(). 918 * 919 * Do any machine-dependent diddling of the exec package when doing ECOFF. 920 * 921 */ 922 int 923 ultrix_exec_ecoff_probe(p, epp) 924 struct proc *p; 925 struct exec_package *epp; 926 { 927 /* XXX should add some check here */ 928 return 0; 929 } 930 #endif 931
Indexes created Wed Sep 24 05:09:52 GMT 2025