ultrix_misc.c revision 1.72
1 /* $NetBSD: ultrix_misc.c,v 1.72 2001/09/17 17:47:47 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_OPT) 83 #include "opt_nfsserver.h" 84 #include "opt_sysv.h" 85 #endif 86 87 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 88 89 /* 90 * Ultrix compatibility module. 91 * 92 * Ultrix system calls that are implemented differently in BSD are 93 * handled here. 94 */ 95 96 #if defined(_KERNEL_OPT) 97 #include "fs_nfs.h" 98 #endif 99 100 #include <sys/param.h> 101 #include <sys/systm.h> 102 #include <sys/namei.h> 103 #include <sys/dirent.h> 104 #include <sys/proc.h> 105 #include <sys/file.h> 106 #include <sys/filedesc.h> 107 #include <sys/kernel.h> 108 #include <sys/exec.h> 109 #include <sys/malloc.h> 110 #include <sys/mbuf.h> 111 #include <sys/mman.h> 112 #include <sys/mount.h> 113 #include <sys/resource.h> 114 #include <sys/resourcevar.h> 115 #include <sys/signal.h> 116 #include <sys/signalvar.h> 117 #include <sys/socket.h> 118 #include <sys/vnode.h> 119 #include <sys/uio.h> 120 #include <sys/wait.h> 121 #include <sys/utsname.h> 122 #include <sys/unistd.h> 123 #include <sys/ipc.h> 124 125 #include <sys/syscallargs.h> 126 127 #include <compat/ultrix/ultrix_syscall.h> 128 #include <compat/ultrix/ultrix_syscallargs.h> 129 #include <compat/common/compat_util.h> 130 131 #include <netinet/in.h> 132 133 #include <miscfs/specfs/specdev.h> 134 135 #include <nfs/rpcv2.h> 136 #include <nfs/nfsproto.h> 137 #include <nfs/nfs.h> 138 139 #include <sys/conf.h> /* iszerodev() */ 140 #include <sys/socketvar.h> /* sosetopt() */ 141 142 #include <compat/ultrix/ultrix_flock.h> 143 144 #ifdef __mips 145 #include <mips/cachectl.h> 146 #endif 147 148 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 149 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 150 151 extern struct sysent ultrix_sysent[]; 152 extern const char * const ultrix_syscallnames[]; 153 extern char ultrix_sigcode[], ultrix_esigcode[]; 154 #ifdef __HAVE_SYSCALL_INTERN 155 void syscall_intern(struct proc *); 156 #else 157 void syscall __P((void)); 158 #endif 159 160 const struct emul emul_ultrix = { 161 "ultrix", 162 "/emul/ultrix", 163 #ifndef __HAVE_MINIMAL_EMUL 164 0, 165 NULL, 166 ULTRIX_SYS_syscall, 167 ULTRIX_SYS_MAXSYSCALL, 168 #endif 169 ultrix_sysent, 170 ultrix_syscallnames, 171 sendsig, 172 trapsignal, 173 ultrix_sigcode, 174 ultrix_esigcode, 175 NULL, 176 NULL, 177 NULL, 178 #ifdef __HAVE_SYSCALL_INTERN 179 syscall_intern, 180 #else 181 syscall, 182 #endif 183 }; 184 185 #define GSI_PROG_ENV 1 186 187 int 188 ultrix_sys_getsysinfo(p, v, retval) 189 struct proc *p; 190 void *v; 191 register_t *retval; 192 { 193 struct ultrix_sys_getsysinfo_args *uap = v; 194 static short progenv = 0; 195 196 switch (SCARG(uap, op)) { 197 /* operations implemented: */ 198 case GSI_PROG_ENV: 199 if (SCARG(uap, nbytes) < sizeof(short)) 200 return EINVAL; 201 *retval = 1; 202 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 203 default: 204 *retval = 0; /* info unavail */ 205 return 0; 206 } 207 } 208 209 int 210 ultrix_sys_setsysinfo(p, v, retval) 211 struct proc *p; 212 void *v; 213 register_t *retval; 214 { 215 216 #ifdef notyet 217 struct ultrix_sys_setsysinfo_args *uap = v; 218 #endif 219 220 *retval = 0; 221 return 0; 222 } 223 224 int 225 ultrix_sys_waitpid(p, v, retval) 226 struct proc *p; 227 void *v; 228 register_t *retval; 229 { 230 struct ultrix_sys_waitpid_args *uap = v; 231 struct sys_wait4_args ua; 232 233 SCARG(&ua, pid) = SCARG(uap, pid); 234 SCARG(&ua, status) = SCARG(uap, status); 235 SCARG(&ua, options) = SCARG(uap, options); 236 SCARG(&ua, rusage) = 0; 237 238 return (sys_wait4(p, &ua, retval)); 239 } 240 241 int 242 ultrix_sys_wait3(p, v, retval) 243 struct proc *p; 244 void *v; 245 register_t *retval; 246 { 247 struct ultrix_sys_wait3_args *uap = v; 248 struct sys_wait4_args ua; 249 250 SCARG(&ua, pid) = -1; 251 SCARG(&ua, status) = SCARG(uap, status); 252 SCARG(&ua, options) = SCARG(uap, options); 253 SCARG(&ua, rusage) = SCARG(uap, rusage); 254 255 return (sys_wait4(p, &ua, retval)); 256 } 257 258 /* 259 * Ultrix binaries pass in FD_MAX as the first arg to select(). 260 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 261 * can handle. 262 * Since we can't have more than the (native) FD_MAX descriptors open, 263 * limit nfds to at most FD_MAX. 264 */ 265 int 266 ultrix_sys_select(p, v, retval) 267 struct proc *p; 268 void *v; 269 register_t *retval; 270 { 271 struct sys_select_args *uap = v; 272 struct timeval atv; 273 int error; 274 275 /* Limit number of FDs selected on to the native maximum */ 276 277 if (SCARG(uap, nd) > FD_SETSIZE) 278 SCARG(uap, nd) = FD_SETSIZE; 279 280 /* Check for negative timeval */ 281 if (SCARG(uap, tv)) { 282 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 283 sizeof(atv)); 284 if (error) 285 goto done; 286 #ifdef DEBUG 287 /* Ultrix clients sometimes give negative timeouts? */ 288 if (atv.tv_sec < 0 || atv.tv_usec < 0) 289 printf("ultrix select( %ld, %ld): negative timeout\n", 290 atv.tv_sec, atv.tv_usec); 291 /*tvp = (timeval *)STACKGAPBASE;*/ 292 #endif 293 294 } 295 error = sys_select(p, (void*) uap, retval); 296 if (error == EINVAL) 297 printf("ultrix select: bad args?\n"); 298 299 done: 300 return error; 301 } 302 303 #if defined(NFS) 304 int 305 async_daemon(p, v, retval) 306 struct proc *p; 307 void *v; 308 register_t *retval; 309 { 310 struct sys_nfssvc_args ouap; 311 312 SCARG(&ouap, flag) = NFSSVC_BIOD; 313 SCARG(&ouap, argp) = NULL; 314 315 return (sys_nfssvc(p, &ouap, retval)); 316 } 317 #endif /* NFS */ 318 319 320 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 321 322 int 323 ultrix_sys_mmap(p, v, retval) 324 struct proc *p; 325 void *v; 326 register_t *retval; 327 { 328 struct ultrix_sys_mmap_args *uap = v; 329 struct sys_mmap_args ouap; 330 struct filedesc *fdp; 331 struct file *fp; 332 struct vnode *vp; 333 334 /* 335 * Verify the arguments. 336 */ 337 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 338 return (EINVAL); /* XXX still needed? */ 339 340 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 341 return (EINVAL); 342 343 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 344 SCARG(&ouap, addr) = SCARG(uap, addr); 345 346 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 347 SCARG(&ouap, addr) != 0 && 348 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 349 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 350 351 SCARG(&ouap, len) = SCARG(uap, len); 352 SCARG(&ouap, prot) = SCARG(uap, prot); 353 SCARG(&ouap, fd) = SCARG(uap, fd); 354 SCARG(&ouap, pos) = SCARG(uap, pos); 355 356 /* 357 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 358 */ 359 fdp = p->p_fd; 360 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 361 fp->f_type == DTYPE_VNODE && /*XXX*/ 362 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 363 iszerodev(vp->v_rdev)) { /*XXX*/ 364 SCARG(&ouap, flags) |= MAP_ANON; 365 SCARG(&ouap, fd) = -1; 366 } 367 368 return (sys_mmap(p, &ouap, retval)); 369 } 370 371 int 372 ultrix_sys_setsockopt(p, v, retval) 373 struct proc *p; 374 void *v; 375 register_t *retval; 376 { 377 struct ultrix_sys_setsockopt_args *uap = v; 378 struct file *fp; 379 struct mbuf *m = NULL; 380 int error; 381 382 /* getsock() will use the descriptor for us */ 383 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 384 return (error); 385 #define SO_DONTLINGER (~SO_LINGER) 386 if (SCARG(uap, name) == SO_DONTLINGER) { 387 m = m_get(M_WAIT, MT_SOOPTS); 388 mtod(m, struct linger *)->l_onoff = 0; 389 m->m_len = sizeof(struct linger); 390 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 391 SO_LINGER, m); 392 } 393 if (SCARG(uap, level) == IPPROTO_IP) { 394 #define EMUL_IP_MULTICAST_IF 2 395 #define EMUL_IP_MULTICAST_TTL 3 396 #define EMUL_IP_MULTICAST_LOOP 4 397 #define EMUL_IP_ADD_MEMBERSHIP 5 398 #define EMUL_IP_DROP_MEMBERSHIP 6 399 static int ipoptxlat[] = { 400 IP_MULTICAST_IF, 401 IP_MULTICAST_TTL, 402 IP_MULTICAST_LOOP, 403 IP_ADD_MEMBERSHIP, 404 IP_DROP_MEMBERSHIP 405 }; 406 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 407 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 408 SCARG(uap, name) = 409 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 410 } 411 } 412 if (SCARG(uap, valsize) > MLEN) { 413 error = EINVAL; 414 goto out; 415 } 416 if (SCARG(uap, val)) { 417 m = m_get(M_WAIT, MT_SOOPTS); 418 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 419 (u_int)SCARG(uap, valsize)); 420 if (error) { 421 (void) m_free(m); 422 goto out; 423 } 424 m->m_len = SCARG(uap, valsize); 425 } 426 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 427 SCARG(uap, name), m); 428 out: 429 FILE_UNUSE(fp, p); 430 return (error); 431 } 432 433 #define ULTRIX__SYS_NMLN 32 434 435 struct ultrix_utsname { 436 char sysname[ULTRIX__SYS_NMLN]; 437 char nodename[ULTRIX__SYS_NMLN]; 438 char release[ULTRIX__SYS_NMLN]; 439 char version[ULTRIX__SYS_NMLN]; 440 char machine[ULTRIX__SYS_NMLN]; 441 }; 442 443 int 444 ultrix_sys_uname(p, v, retval) 445 struct proc *p; 446 void *v; 447 register_t *retval; 448 { 449 struct ultrix_sys_uname_args *uap = v; 450 struct ultrix_utsname sut; 451 const char *cp; 452 char *dp, *ep; 453 454 memset(&sut, 0, sizeof(sut)); 455 456 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 457 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 458 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 459 dp = sut.version; 460 ep = &sut.version[sizeof(sut.version) - 1]; 461 for (cp = version; *cp && *cp != '('; cp++) 462 ; 463 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 464 *dp++ = *cp; 465 for (; *cp && *cp != '#'; cp++) 466 ; 467 for (; *cp && *cp != ':' && dp < ep; cp++) 468 *dp++ = *cp; 469 *dp = '\0'; 470 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 471 472 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 473 sizeof(struct ultrix_utsname)); 474 } 475 476 int 477 ultrix_sys_setpgrp(p, v, retval) 478 struct proc *p; 479 void *v; 480 register_t *retval; 481 { 482 struct ultrix_sys_setpgrp_args *uap = v; 483 484 /* 485 * difference to our setpgid call is to include backwards 486 * compatibility to pre-setsid() binaries. Do setsid() 487 * instead of setpgid() in those cases where the process 488 * tries to create a new session the old way. 489 */ 490 if (!SCARG(uap, pgid) && 491 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 492 return sys_setsid(p, uap, retval); 493 else 494 return sys_setpgid(p, uap, retval); 495 } 496 497 #if defined (NFSSERVER) 498 int 499 ultrix_sys_nfssvc(p, v, retval) 500 struct proc *p; 501 void *v; 502 register_t *retval; 503 { 504 505 #if 0 /* XXX */ 506 struct ultrix_sys_nfssvc_args *uap = v; 507 struct emul *e = p->p_emul; 508 struct sys_nfssvc_args outuap; 509 struct sockaddr sa; 510 int error; 511 512 memset(&outuap, 0, sizeof outuap); 513 SCARG(&outuap, fd) = SCARG(uap, fd); 514 SCARG(&outuap, mskval) = STACKGAPBASE; 515 SCARG(&outuap, msklen) = sizeof sa; 516 SCARG(&outuap, mtchval) = outuap.mskval + sizeof sa; 517 SCARG(&outuap, mtchlen) = sizeof sa; 518 519 memset(&sa, 0, sizeof sa); 520 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 521 return (error); 522 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 523 return (error); 524 525 return nfssvc(p, &outuap, retval); 526 #else 527 return (ENOSYS); 528 #endif 529 } 530 #endif /* NFSSERVER */ 531 532 struct ultrix_ustat { 533 daddr_t f_tfree; /* total free */ 534 ino_t f_tinode; /* total inodes free */ 535 char f_fname[6]; /* filsys name */ 536 char f_fpack[6]; /* filsys pack name */ 537 }; 538 539 int 540 ultrix_sys_ustat(p, v, retval) 541 struct proc *p; 542 void *v; 543 register_t *retval; 544 { 545 struct ultrix_sys_ustat_args *uap = v; 546 struct ultrix_ustat us; 547 int error; 548 549 memset(&us, 0, sizeof us); 550 551 /* 552 * XXX: should set f_tfree and f_tinode at least 553 * How do we translate dev -> fstat? (and then to ultrix_ustat) 554 */ 555 556 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 557 return (error); 558 return 0; 559 } 560 561 int 562 ultrix_sys_quotactl(p, v, retval) 563 struct proc *p; 564 void *v; 565 register_t *retval; 566 { 567 568 #ifdef notyet 569 struct ultrix_sys_quotactl_args *uap = v; 570 #endif 571 572 return EINVAL; 573 } 574 575 int 576 ultrix_sys_vhangup(p, v, retval) 577 struct proc *p; 578 void *v; 579 register_t *retval; 580 { 581 582 return 0; 583 } 584 585 586 /* 587 * RISC Ultrix cache control syscalls 588 */ 589 #ifdef __mips 590 int 591 ultrix_sys_cacheflush(p, v, retval) 592 struct proc *p; 593 void *v; 594 register_t *retval; 595 { 596 struct ultrix_sys_cacheflush_args /* { 597 syscallarg(void *) addr; 598 syscallarg(int) nbytes; 599 syscallarg(int) flag; 600 } */ *uap = v; 601 vaddr_t va = (vaddr_t)SCARG(uap, addr); 602 int nbytes = SCARG(uap, nbytes); 603 int whichcache = SCARG(uap, whichcache); 604 605 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 606 } 607 608 609 int 610 ultrix_sys_cachectl(p, v, retval) 611 struct proc *p; 612 void *v; 613 register_t *retval; 614 { 615 struct ultrix_sys_cachectl_args /* { 616 syscallarg(void *) addr; 617 syscallarg(int) nbytes; 618 syscallarg(int) cacheop; 619 } */ *uap = v; 620 vaddr_t va = (vaddr_t)SCARG(uap, addr); 621 int nbytes = SCARG(uap, nbytes); 622 int cacheop = SCARG(uap, cacheop); 623 624 return mips_user_cachectl(p, va, nbytes, cacheop); 625 } 626 627 #endif /* __mips */ 628 629 630 int 631 ultrix_sys_exportfs(p, v, retval) 632 struct proc *p; 633 void *v; 634 register_t *retval; 635 { 636 #ifdef notyet 637 struct ultrix_sys_exportfs_args *uap = v; 638 #endif 639 640 /* 641 * XXX: should perhaps translate into a mount(2) 642 * with MOUNT_EXPORT? 643 */ 644 return 0; 645 } 646 647 int 648 ultrix_sys_sigpending(p, v, retval) 649 struct proc *p; 650 void *v; 651 register_t *retval; 652 { 653 struct ultrix_sys_sigpending_args *uap = v; 654 sigset_t ss; 655 int mask; 656 657 sigpending1(p, &ss); 658 mask = ss.__bits[0]; 659 660 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 661 } 662 663 int 664 ultrix_sys_sigreturn(p, v, retval) 665 struct proc *p; 666 void *v; 667 register_t *retval; 668 { 669 struct ultrix_sys_sigreturn_args *uap = v; 670 671 /* struct sigcontext13 is close enough to Ultrix */ 672 673 return (compat_13_sys_sigreturn(p, uap, retval)); 674 } 675 676 int 677 ultrix_sys_sigcleanup(p, v, retval) 678 struct proc *p; 679 void *v; 680 register_t *retval; 681 { 682 struct ultrix_sys_sigcleanup_args *uap = v; 683 684 /* struct sigcontext13 is close enough to Ultrix */ 685 686 return (compat_13_sys_sigreturn(p, uap, retval)); 687 } 688 689 int 690 ultrix_sys_sigsuspend(p, v, retval) 691 struct proc *p; 692 void *v; 693 register_t *retval; 694 { 695 struct ultrix_sys_sigsuspend_args *uap = v; 696 int mask = SCARG(uap, mask); 697 sigset_t ss; 698 699 ss.__bits[0] = mask; 700 ss.__bits[1] = 0; 701 ss.__bits[2] = 0; 702 ss.__bits[3] = 0; 703 704 return (sigsuspend1(p, &ss)); 705 } 706 707 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 708 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 709 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 710 711 int 712 ultrix_sys_sigvec(p, v, retval) 713 struct proc *p; 714 void *v; 715 register_t *retval; 716 { 717 struct ultrix_sys_sigvec_args *uap = v; 718 struct sigvec nsv, osv; 719 struct sigaction nsa, osa; 720 int error; 721 722 if (SCARG(uap, nsv)) { 723 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 724 if (error) 725 return (error); 726 nsa.sa_handler = nsv.sv_handler; 727 #if 0 /* documentation */ 728 /* ONSTACK is identical */ 729 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 730 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 731 /* old signal() - always restart */ 732 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 733 /* inverted meaning (same bit) */ 734 ) 735 nsa.sa_flags |= SA_RESTART; 736 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 737 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 738 nsa.sa_flags ^= SA_RESTART; 739 #endif 740 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 741 } 742 error = sigaction1(p, SCARG(uap, signum), 743 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 744 if (error) 745 return (error); 746 if (SCARG(uap, osv)) { 747 osv.sv_handler = osa.sa_handler; 748 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 749 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 750 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 751 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 752 if (error) 753 return (error); 754 } 755 return (0); 756 } 757 758 int 759 ultrix_sys_shmsys(p, v, retval) 760 struct proc *p; 761 void *v; 762 register_t *retval; 763 { 764 765 #ifdef SYSVSHM 766 767 /* Ultrix SVSHM weirndess: */ 768 struct ultrix_sys_shmsys_args *uap = v; 769 struct sys_shmat_args shmat_args; 770 struct compat_14_sys_shmctl_args shmctl_args; 771 struct sys_shmdt_args shmdt_args; 772 struct sys_shmget_args shmget_args; 773 774 775 switch (SCARG(uap, shmop)) { 776 case 0: /* Ultrix shmat() */ 777 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 778 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 779 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 780 return (sys_shmat(p, &shmat_args, retval)); 781 782 case 1: /* Ultrix shmctl() */ 783 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 784 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 785 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 786 return (compat_14_sys_shmctl(p, &shmctl_args, retval)); 787 788 case 2: /* Ultrix shmdt() */ 789 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 790 return (sys_shmdt(p, &shmdt_args, retval)); 791 792 case 3: /* Ultrix shmget() */ 793 SCARG(&shmget_args, key) = SCARG(uap, a2); 794 SCARG(&shmget_args, size) = SCARG(uap, a3); 795 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 796 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 797 return (sys_shmget(p, &shmget_args, retval)); 798 799 default: 800 return (EINVAL); 801 } 802 #else 803 return (EOPNOTSUPP); 804 #endif /* SYSVSHM */ 805 } 806 807 static int 808 ultrix_to_bsd_flock(ufl, fl) 809 struct ultrix_flock *ufl; 810 struct flock *fl; 811 { 812 813 fl->l_start = ufl->l_start; 814 fl->l_len = ufl->l_len; 815 fl->l_pid = ufl->l_pid; 816 fl->l_whence = ufl->l_whence; 817 818 switch (ufl->l_type) { 819 case ULTRIX_F_RDLCK: 820 fl->l_type = F_RDLCK; 821 break; 822 case ULTRIX_F_WRLCK: 823 fl->l_type = F_WRLCK; 824 break; 825 case ULTRIX_F_UNLCK: 826 fl->l_type = F_UNLCK; 827 break; 828 default: 829 return (EINVAL); 830 } 831 832 return (0); 833 } 834 835 static void 836 bsd_to_ultrix_flock(fl, ufl) 837 struct flock *fl; 838 struct ultrix_flock *ufl; 839 { 840 841 ufl->l_start = fl->l_start; 842 ufl->l_len = fl->l_len; 843 ufl->l_pid = fl->l_pid; 844 ufl->l_whence = fl->l_whence; 845 846 switch (fl->l_type) { 847 case F_RDLCK: 848 ufl->l_type = ULTRIX_F_RDLCK; 849 break; 850 case F_WRLCK: 851 ufl->l_type = ULTRIX_F_WRLCK; 852 break; 853 case F_UNLCK: 854 ufl->l_type = ULTRIX_F_UNLCK; 855 break; 856 } 857 } 858 859 int 860 ultrix_sys_fcntl(p, v, retval) 861 struct proc *p; 862 void *v; 863 register_t *retval; 864 { 865 struct ultrix_sys_fcntl_args *uap = v; 866 int error; 867 struct ultrix_flock ufl; 868 struct flock fl, *flp; 869 caddr_t sg; 870 struct sys_fcntl_args *args, fca; 871 872 switch (SCARG(uap, cmd)) { 873 case F_GETLK: 874 case F_SETLK: 875 case F_SETLKW: 876 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 877 if (error) 878 return (error); 879 error = ultrix_to_bsd_flock(&ufl, &fl); 880 if (error) 881 return (error); 882 sg = stackgap_init(p->p_emul); 883 flp = (struct flock *)stackgap_alloc(&sg, sizeof(*flp)); 884 error = copyout(&fl, flp, sizeof(*flp)); 885 if (error) 886 return (error); 887 888 SCARG(&fca, fd) = SCARG(uap, fd); 889 SCARG(&fca, cmd) = SCARG(uap, cmd); 890 SCARG(&fca, arg) = flp; 891 args = &fca; 892 break; 893 default: 894 args = v; 895 break; 896 } 897 898 error = sys_fcntl(p, args, retval); 899 if (error) 900 return (error); 901 902 switch (SCARG(uap, cmd)) { 903 case F_GETLK: 904 error = copyin(flp, &fl, sizeof(fl)); 905 if (error) 906 return (error); 907 bsd_to_ultrix_flock(&fl, &ufl); 908 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 909 break; 910 } 911 912 return (error); 913 } 914
Indexes created Fri Oct 03 02:09:57 GMT 2025