ultrix_misc.c revision 1.61
1 /* $NetBSD: ultrix_misc.c,v 1.61 2000/11/21 00:37:55 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 NULL, 173 sendsig, 174 ULTRIX_SYS_syscall, 175 ULTRIX_SYS_MAXSYSCALL, 176 ultrix_sysent, 177 ultrix_syscallnames, 178 ultrix_sigcode, 179 ultrix_esigcode, 180 }; 181 182 #define GSI_PROG_ENV 1 183 184 int 185 ultrix_sys_getsysinfo(p, v, retval) 186 struct proc *p; 187 void *v; 188 register_t *retval; 189 { 190 struct ultrix_sys_getsysinfo_args *uap = v; 191 static short progenv = 0; 192 193 switch (SCARG(uap, op)) { 194 /* operations implemented: */ 195 case GSI_PROG_ENV: 196 if (SCARG(uap, nbytes) < sizeof(short)) 197 return EINVAL; 198 *retval = 1; 199 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 200 default: 201 *retval = 0; /* info unavail */ 202 return 0; 203 } 204 } 205 206 int 207 ultrix_sys_setsysinfo(p, v, retval) 208 struct proc *p; 209 void *v; 210 register_t *retval; 211 { 212 213 #ifdef notyet 214 struct ultrix_sys_setsysinfo_args *uap = v; 215 #endif 216 217 *retval = 0; 218 return 0; 219 } 220 221 int 222 ultrix_sys_waitpid(p, v, retval) 223 struct proc *p; 224 void *v; 225 register_t *retval; 226 { 227 struct ultrix_sys_waitpid_args *uap = v; 228 struct sys_wait4_args ua; 229 230 SCARG(&ua, pid) = SCARG(uap, pid); 231 SCARG(&ua, status) = SCARG(uap, status); 232 SCARG(&ua, options) = SCARG(uap, options); 233 SCARG(&ua, rusage) = 0; 234 235 return (sys_wait4(p, &ua, retval)); 236 } 237 238 int 239 ultrix_sys_wait3(p, v, retval) 240 struct proc *p; 241 void *v; 242 register_t *retval; 243 { 244 struct ultrix_sys_wait3_args *uap = v; 245 struct sys_wait4_args ua; 246 247 SCARG(&ua, pid) = -1; 248 SCARG(&ua, status) = SCARG(uap, status); 249 SCARG(&ua, options) = SCARG(uap, options); 250 SCARG(&ua, rusage) = SCARG(uap, rusage); 251 252 return (sys_wait4(p, &ua, retval)); 253 } 254 255 /* 256 * Ultrix binaries pass in FD_MAX as the first arg to select(). 257 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 258 * can handle. 259 * Since we can't have more than the (native) FD_MAX descriptors open, 260 * limit nfds to at most FD_MAX. 261 */ 262 int 263 ultrix_sys_select(p, v, retval) 264 struct proc *p; 265 void *v; 266 register_t *retval; 267 { 268 struct sys_select_args *uap = v; 269 struct timeval atv; 270 int error; 271 272 /* Limit number of FDs selected on to the native maximum */ 273 274 if (SCARG(uap, nd) > FD_SETSIZE) 275 SCARG(uap, nd) = FD_SETSIZE; 276 277 /* Check for negative timeval */ 278 if (SCARG(uap, tv)) { 279 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 280 sizeof(atv)); 281 if (error) 282 goto done; 283 #ifdef DEBUG 284 /* Ultrix clients sometimes give negative timeouts? */ 285 if (atv.tv_sec < 0 || atv.tv_usec < 0) 286 printf("ultrix select( %ld, %ld): negative timeout\n", 287 atv.tv_sec, atv.tv_usec); 288 /*tvp = (timeval *)STACKGAPBASE;*/ 289 #endif 290 291 } 292 error = sys_select(p, (void*) uap, retval); 293 if (error == EINVAL) 294 printf("ultrix select: bad args?\n"); 295 296 done: 297 return error; 298 } 299 300 #if defined(NFS) 301 int 302 async_daemon(p, v, retval) 303 struct proc *p; 304 void *v; 305 register_t *retval; 306 { 307 struct sys_nfssvc_args ouap; 308 309 SCARG(&ouap, flag) = NFSSVC_BIOD; 310 SCARG(&ouap, argp) = NULL; 311 312 return (sys_nfssvc(p, &ouap, retval)); 313 } 314 #endif /* NFS */ 315 316 317 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 318 319 int 320 ultrix_sys_mmap(p, v, retval) 321 struct proc *p; 322 void *v; 323 register_t *retval; 324 { 325 struct ultrix_sys_mmap_args *uap = v; 326 struct sys_mmap_args ouap; 327 struct filedesc *fdp; 328 struct file *fp; 329 struct vnode *vp; 330 331 /* 332 * Verify the arguments. 333 */ 334 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 335 return (EINVAL); /* XXX still needed? */ 336 337 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 338 return (EINVAL); 339 340 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 341 SCARG(&ouap, addr) = SCARG(uap, addr); 342 343 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 344 SCARG(&ouap, addr) != 0 && 345 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 346 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 347 348 SCARG(&ouap, len) = SCARG(uap, len); 349 SCARG(&ouap, prot) = SCARG(uap, prot); 350 SCARG(&ouap, fd) = SCARG(uap, fd); 351 SCARG(&ouap, pos) = SCARG(uap, pos); 352 353 /* 354 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 355 */ 356 fdp = p->p_fd; 357 if ((unsigned)SCARG(&ouap, fd) < fdp->fd_nfiles && /*XXX*/ 358 (fp = fdp->fd_ofiles[SCARG(&ouap, fd)]) != NULL && /*XXX*/ 359 fp->f_type == DTYPE_VNODE && /*XXX*/ 360 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 361 iszerodev(vp->v_rdev)) { /*XXX*/ 362 SCARG(&ouap, flags) |= MAP_ANON; 363 SCARG(&ouap, fd) = -1; 364 } 365 366 return (sys_mmap(p, &ouap, retval)); 367 } 368 369 int 370 ultrix_sys_setsockopt(p, v, retval) 371 struct proc *p; 372 void *v; 373 register_t *retval; 374 { 375 struct ultrix_sys_setsockopt_args *uap = v; 376 struct file *fp; 377 struct mbuf *m = NULL; 378 int error; 379 380 /* getsock() will use the descriptor for us */ 381 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 382 return (error); 383 #define SO_DONTLINGER (~SO_LINGER) 384 if (SCARG(uap, name) == SO_DONTLINGER) { 385 m = m_get(M_WAIT, MT_SOOPTS); 386 mtod(m, struct linger *)->l_onoff = 0; 387 m->m_len = sizeof(struct linger); 388 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 389 SO_LINGER, m); 390 } 391 if (SCARG(uap, level) == IPPROTO_IP) { 392 #define EMUL_IP_MULTICAST_IF 2 393 #define EMUL_IP_MULTICAST_TTL 3 394 #define EMUL_IP_MULTICAST_LOOP 4 395 #define EMUL_IP_ADD_MEMBERSHIP 5 396 #define EMUL_IP_DROP_MEMBERSHIP 6 397 static int ipoptxlat[] = { 398 IP_MULTICAST_IF, 399 IP_MULTICAST_TTL, 400 IP_MULTICAST_LOOP, 401 IP_ADD_MEMBERSHIP, 402 IP_DROP_MEMBERSHIP 403 }; 404 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 405 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 406 SCARG(uap, name) = 407 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 408 } 409 } 410 if (SCARG(uap, valsize) > MLEN) { 411 error = EINVAL; 412 goto out; 413 } 414 if (SCARG(uap, val)) { 415 m = m_get(M_WAIT, MT_SOOPTS); 416 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 417 (u_int)SCARG(uap, valsize)); 418 if (error) { 419 (void) m_free(m); 420 goto out; 421 } 422 m->m_len = SCARG(uap, valsize); 423 } 424 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 425 SCARG(uap, name), m); 426 out: 427 FILE_UNUSE(fp, p); 428 return (error); 429 } 430 431 #define ULTRIX__SYS_NMLN 32 432 433 struct ultrix_utsname { 434 char sysname[ULTRIX__SYS_NMLN]; 435 char nodename[ULTRIX__SYS_NMLN]; 436 char release[ULTRIX__SYS_NMLN]; 437 char version[ULTRIX__SYS_NMLN]; 438 char machine[ULTRIX__SYS_NMLN]; 439 }; 440 441 int 442 ultrix_sys_uname(p, v, retval) 443 struct proc *p; 444 void *v; 445 register_t *retval; 446 { 447 struct ultrix_sys_uname_args *uap = v; 448 struct ultrix_utsname sut; 449 const char *cp; 450 char *dp, *ep; 451 452 memset(&sut, 0, sizeof(sut)); 453 454 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 455 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 456 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 457 dp = sut.version; 458 ep = &sut.version[sizeof(sut.version) - 1]; 459 for (cp = version; *cp && *cp != '('; cp++) 460 ; 461 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 462 *dp++ = *cp; 463 for (; *cp && *cp != '#'; cp++) 464 ; 465 for (; *cp && *cp != ':' && dp < ep; cp++) 466 *dp++ = *cp; 467 *dp = '\0'; 468 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 469 470 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 471 sizeof(struct ultrix_utsname)); 472 } 473 474 int 475 ultrix_sys_setpgrp(p, v, retval) 476 struct proc *p; 477 void *v; 478 register_t *retval; 479 { 480 struct ultrix_sys_setpgrp_args *uap = v; 481 482 /* 483 * difference to our setpgid call is to include backwards 484 * compatibility to pre-setsid() binaries. Do setsid() 485 * instead of setpgid() in those cases where the process 486 * tries to create a new session the old way. 487 */ 488 if (!SCARG(uap, pgid) && 489 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 490 return sys_setsid(p, uap, retval); 491 else 492 return sys_setpgid(p, uap, retval); 493 } 494 495 #if defined (NFSSERVER) 496 int 497 ultrix_sys_nfssvc(p, v, retval) 498 struct proc *p; 499 void *v; 500 register_t *retval; 501 { 502 503 #if 0 /* XXX */ 504 struct ultrix_sys_nfssvc_args *uap = v; 505 struct emul *e = p->p_emul; 506 struct sys_nfssvc_args outuap; 507 struct sockaddr sa; 508 int error; 509 510 memset(&outuap, 0, sizeof outuap); 511 SCARG(&outuap, fd) = SCARG(uap, fd); 512 SCARG(&outuap, mskval) = STACKGAPBASE; 513 SCARG(&outuap, msklen) = sizeof sa; 514 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 515 SCARG(&outuap, mtchlen) = sizeof sa; 516 517 memset(&sa, 0, sizeof sa); 518 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 519 return (error); 520 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 521 return (error); 522 523 return nfssvc(p, &outuap, retval); 524 #else 525 return (ENOSYS); 526 #endif 527 } 528 #endif /* NFSSERVER */ 529 530 struct ultrix_ustat { 531 daddr_t f_tfree; /* total free */ 532 ino_t f_tinode; /* total inodes free */ 533 char f_fname[6]; /* filsys name */ 534 char f_fpack[6]; /* filsys pack name */ 535 }; 536 537 int 538 ultrix_sys_ustat(p, v, retval) 539 struct proc *p; 540 void *v; 541 register_t *retval; 542 { 543 struct ultrix_sys_ustat_args *uap = v; 544 struct ultrix_ustat us; 545 int error; 546 547 memset(&us, 0, sizeof us); 548 549 /* 550 * XXX: should set f_tfree and f_tinode at least 551 * How do we translate dev -> fstat? (and then to ultrix_ustat) 552 */ 553 554 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 555 return (error); 556 return 0; 557 } 558 559 int 560 ultrix_sys_quotactl(p, v, retval) 561 struct proc *p; 562 void *v; 563 register_t *retval; 564 { 565 566 #ifdef notyet 567 struct ultrix_sys_quotactl_args *uap = v; 568 #endif 569 570 return EINVAL; 571 } 572 573 int 574 ultrix_sys_vhangup(p, v, retval) 575 struct proc *p; 576 void *v; 577 register_t *retval; 578 { 579 580 return 0; 581 } 582 583 584 /* 585 * RISC Ultrix cache control syscalls 586 */ 587 #ifdef __mips 588 int 589 ultrix_sys_cacheflush(p, v, retval) 590 struct proc *p; 591 void *v; 592 register_t *retval; 593 { 594 struct ultrix_sys_cacheflush_args /* { 595 syscallarg(void *) addr; 596 syscallarg(int) nbytes; 597 syscallarg(int) flag; 598 } */ *uap = v; 599 vaddr_t va = (vaddr_t)SCARG(uap, addr); 600 int nbytes = SCARG(uap, nbytes); 601 int whichcache = SCARG(uap, whichcache); 602 603 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 604 } 605 606 607 int 608 ultrix_sys_cachectl(p, v, retval) 609 struct proc *p; 610 void *v; 611 register_t *retval; 612 { 613 struct ultrix_sys_cachectl_args /* { 614 syscallarg(void *) addr; 615 syscallarg(int) nbytes; 616 syscallarg(int) cacheop; 617 } */ *uap = v; 618 vaddr_t va = (vaddr_t)SCARG(uap, addr); 619 int nbytes = SCARG(uap, nbytes); 620 int cacheop = SCARG(uap, cacheop); 621 622 return mips_user_cachectl(p, va, nbytes, cacheop); 623 } 624 625 #endif /* __mips */ 626 627 628 int 629 ultrix_sys_exportfs(p, v, retval) 630 struct proc *p; 631 void *v; 632 register_t *retval; 633 { 634 #ifdef notyet 635 struct ultrix_sys_exportfs_args *uap = v; 636 #endif 637 638 /* 639 * XXX: should perhaps translate into a mount(2) 640 * with MOUNT_EXPORT? 641 */ 642 return 0; 643 } 644 645 int 646 ultrix_sys_sigpending(p, v, retval) 647 struct proc *p; 648 void *v; 649 register_t *retval; 650 { 651 struct ultrix_sys_sigpending_args *uap = v; 652 sigset_t ss; 653 int mask; 654 655 sigpending1(p, &ss); 656 mask = ss.__bits[0]; 657 658 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 659 } 660 661 int 662 ultrix_sys_sigreturn(p, v, retval) 663 struct proc *p; 664 void *v; 665 register_t *retval; 666 { 667 struct ultrix_sys_sigreturn_args *uap = v; 668 669 /* struct sigcontext13 is close enough to Ultrix */ 670 671 return (compat_13_sys_sigreturn(p, uap, retval)); 672 } 673 674 int 675 ultrix_sys_sigcleanup(p, v, retval) 676 struct proc *p; 677 void *v; 678 register_t *retval; 679 { 680 struct ultrix_sys_sigcleanup_args *uap = v; 681 682 /* struct sigcontext13 is close enough to Ultrix */ 683 684 return (compat_13_sys_sigreturn(p, uap, retval)); 685 } 686 687 int 688 ultrix_sys_sigsuspend(p, v, retval) 689 struct proc *p; 690 void *v; 691 register_t *retval; 692 { 693 struct ultrix_sys_sigsuspend_args *uap = v; 694 int mask = SCARG(uap, mask); 695 sigset_t ss; 696 697 ss.__bits[0] = mask; 698 ss.__bits[1] = 0; 699 ss.__bits[2] = 0; 700 ss.__bits[3] = 0; 701 702 return (sigsuspend1(p, &ss)); 703 } 704 705 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 706 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 707 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 708 709 int 710 ultrix_sys_sigvec(p, v, retval) 711 struct proc *p; 712 void *v; 713 register_t *retval; 714 { 715 struct ultrix_sys_sigvec_args *uap = v; 716 struct sigvec nsv, osv; 717 struct sigaction nsa, osa; 718 int error; 719 720 if (SCARG(uap, nsv)) { 721 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 722 if (error) 723 return (error); 724 nsa.sa_handler = nsv.sv_handler; 725 #if 0 /* documentation */ 726 /* ONSTACK is identical */ 727 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 728 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 729 /* old signal() - always restart */ 730 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 731 /* inverted meaning (same bit) */ 732 ) 733 nsa.sa_flags |= SA_RESTART; 734 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 735 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 736 nsa.sa_flags ^= SA_RESTART; 737 #endif 738 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 739 } 740 error = sigaction1(p, SCARG(uap, signum), 741 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 742 if (error) 743 return (error); 744 if (SCARG(uap, osv)) { 745 osv.sv_handler = osa.sa_handler; 746 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 747 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 748 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 749 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 750 if (error) 751 return (error); 752 } 753 return (0); 754 } 755 756 int 757 ultrix_sys_shmsys(p, v, retval) 758 struct proc *p; 759 void *v; 760 register_t *retval; 761 { 762 763 #ifdef SYSVSHM 764 765 /* Ultrix SVSHM weirndess: */ 766 struct ultrix_sys_shmsys_args *uap = v; 767 struct sys_shmat_args shmat_args; 768 struct compat_14_sys_shmctl_args shmctl_args; 769 struct sys_shmdt_args shmdt_args; 770 struct sys_shmget_args shmget_args; 771 772 773 switch (SCARG(uap, shmop)) { 774 case 0: /* Ultrix shmat() */ 775 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 776 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 777 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 778 return (sys_shmat(p, &shmat_args, retval)); 779 780 case 1: /* Ultrix shmctl() */ 781 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 782 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 783 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 784 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 785 786 case 2: /* Ultrix shmdt() */ 787 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 788 return (sys_shmdt(p, &shmdt_args, retval)); 789 790 case 3: /* Ultrix shmget() */ 791 SCARG(&shmget_args, key) = SCARG(uap, a2); 792 SCARG(&shmget_args, size) = SCARG(uap, a3); 793 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 794 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 795 return (sys_shmget(p, &shmget_args, retval)); 796 797 default: 798 return (EINVAL); 799 } 800 #else 801 return (EOPNOTSUPP); 802 #endif /* SYSVSHM */ 803 } 804 805 static int 806 ultrix_to_bsd_flock(ufl, fl) 807 struct ultrix_flock *ufl; 808 struct flock *fl; 809 { 810 811 fl->l_start = ufl->l_start; 812 fl->l_len = ufl->l_len; 813 fl->l_pid = ufl->l_pid; 814 fl->l_whence = ufl->l_whence; 815 816 switch (ufl->l_type) { 817 case ULTRIX_F_RDLCK: 818 fl->l_type = F_RDLCK; 819 break; 820 case ULTRIX_F_WRLCK: 821 fl->l_type = F_WRLCK; 822 break; 823 case ULTRIX_F_UNLCK: 824 fl->l_type = F_UNLCK; 825 break; 826 default: 827 return (EINVAL); 828 } 829 830 return (0); 831 } 832 833 static void 834 bsd_to_ultrix_flock(fl, ufl) 835 struct flock *fl; 836 struct ultrix_flock *ufl; 837 { 838 839 ufl->l_start = fl->l_start; 840 ufl->l_len = fl->l_len; 841 ufl->l_pid = fl->l_pid; 842 ufl->l_whence = fl->l_whence; 843 844 switch (fl->l_type) { 845 case F_RDLCK: 846 ufl->l_type = ULTRIX_F_RDLCK; 847 break; 848 case F_WRLCK: 849 ufl->l_type = ULTRIX_F_WRLCK; 850 break; 851 case F_UNLCK: 852 ufl->l_type = ULTRIX_F_UNLCK; 853 break; 854 } 855 } 856 857 int 858 ultrix_sys_fcntl(p, v, retval) 859 struct proc *p; 860 void *v; 861 register_t *retval; 862 { 863 struct ultrix_sys_fcntl_args *uap = v; 864 int error; 865 struct ultrix_flock ufl; 866 struct flock fl, *flp; 867 caddr_t sg; 868 struct sys_fcntl_args *args, fca; 869 870 switch (SCARG(uap, cmd)) { 871 case F_GETLK: 872 case F_SETLK: 873 case F_SETLKW: 874 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 875 if (error) 876 return (error); 877 error = ultrix_to_bsd_flock(&ufl, &fl); 878 if (error) 879 return (error); 880 sg = stackgap_init(p->p_emul); 881 flp = (struct flock *)stackgap_alloc(&sg, sizeof(*flp)); 882 error = copyout(&fl, flp, sizeof(*flp)); 883 if (error) 884 return (error); 885 886 SCARG(&fca, fd) = SCARG(uap, fd); 887 SCARG(&fca, cmd) = SCARG(uap, cmd); 888 SCARG(&fca, arg) = flp; 889 args = &fca; 890 break; 891 default: 892 args = v; 893 break; 894 } 895 896 error = sys_fcntl(p, args, retval); 897 if (error) 898 return (error); 899 900 switch (SCARG(uap, cmd)) { 901 case F_GETLK: 902 error = copyin(flp, &fl, sizeof(fl)); 903 if (error) 904 return (error); 905 bsd_to_ultrix_flock(&fl, &ufl); 906 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 907 break; 908 } 909 910 return (error); 911 } 912 913 #ifdef EXEC_ECOFF 914 /* 915 * cpu_exec_ecoff_probe(): 916 * cpu-dependent ECOFF format hook for execve(). 917 * 918 * Do any machine-dependent diddling of the exec package when doing ECOFF. 919 * 920 */ 921 int 922 ultrix_exec_ecoff_probe(p, epp) 923 struct proc *p; 924 struct exec_package *epp; 925 { 926 /* XXX should add some check here */ 927 return 0; 928 } 929 #endif 930
Indexes created Thu Sep 25 14:09:45 GMT 2025