ultrix_misc.c revision 1.68.2.9
1 /* $NetBSD: ultrix_misc.c,v 1.68.2.9 2002/09/17 21:19:08 nathanw Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1997 Jonathan Stone (hereinafter referred to as the author) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jonathan Stone for 18 * the NetBSD Project. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * Copyright (c) 1992, 1993 37 * The Regents of the University of California. All rights reserved. 38 * 39 * This software was developed by the Computer Systems Engineering group 40 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 41 * contributed to Berkeley. 42 * 43 * All advertising materials mentioning features or use of this software 44 * must display the following acknowledgement: 45 * This product includes software developed by the University of 46 * California, Lawrence Berkeley Laboratory. 47 * 48 * Redistribution and use in source and binary forms, with or without 49 * modification, are permitted provided that the following conditions 50 * are met: 51 * 1. Redistributions of source code must retain the above copyright 52 * notice, this list of conditions and the following disclaimer. 53 * 2. Redistributions in binary form must reproduce the above copyright 54 * notice, this list of conditions and the following disclaimer in the 55 * documentation and/or other materials provided with the distribution. 56 * 3. All advertising materials mentioning features or use of this software 57 * must display the following acknowledgement: 58 * This product includes software developed by the University of 59 * California, Berkeley and its contributors. 60 * 4. Neither the name of the University nor the names of its contributors 61 * may be used to endorse or promote products derived from this software 62 * without specific prior written permission. 63 * 64 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 65 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 67 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 70 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 71 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 72 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 73 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 74 * SUCH DAMAGE. 75 * 76 * 77 * @(#)sun_misc.c 8.1 (Berkeley) 6/18/93 78 * 79 * from: Header: sun_misc.c,v 1.16 93/04/07 02:46:27 torek Exp 80 */ 81 82 #include <sys/cdefs.h> 83 __KERNEL_RCSID(0, "$NetBSD: ultrix_misc.c,v 1.68.2.9 2002/09/17 21:19:08 nathanw Exp $"); 84 85 #if defined(_KERNEL_OPT) 86 #include "opt_nfsserver.h" 87 #include "opt_sysv.h" 88 #endif 89 90 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 91 92 /* 93 * Ultrix compatibility module. 94 * 95 * Ultrix system calls that are implemented differently in BSD are 96 * handled here. 97 */ 98 99 #if defined(_KERNEL_OPT) 100 #include "fs_nfs.h" 101 #endif 102 103 #include <sys/param.h> 104 #include <sys/systm.h> 105 #include <sys/namei.h> 106 #include <sys/dirent.h> 107 #include <sys/proc.h> 108 #include <sys/file.h> 109 #include <sys/filedesc.h> 110 #include <sys/kernel.h> 111 #include <sys/exec.h> 112 #include <sys/malloc.h> 113 #include <sys/mbuf.h> 114 #include <sys/mman.h> 115 #include <sys/mount.h> 116 #include <sys/resource.h> 117 #include <sys/resourcevar.h> 118 #include <sys/signal.h> 119 #include <sys/signalvar.h> 120 #include <sys/socket.h> 121 #include <sys/vnode.h> 122 #include <sys/uio.h> 123 #include <sys/wait.h> 124 #include <sys/utsname.h> 125 #include <sys/unistd.h> 126 #include <sys/ipc.h> 127 128 #include <sys/sa.h> 129 #include <sys/syscallargs.h> 130 131 #include <compat/ultrix/ultrix_syscall.h> 132 #include <compat/ultrix/ultrix_syscallargs.h> 133 #include <compat/common/compat_util.h> 134 135 #include <netinet/in.h> 136 137 #include <miscfs/specfs/specdev.h> 138 139 #include <nfs/rpcv2.h> 140 #include <nfs/nfsproto.h> 141 #include <nfs/nfs.h> 142 143 #include <sys/socketvar.h> /* sosetopt() */ 144 145 #include <compat/ultrix/ultrix_flock.h> 146 147 #ifdef __mips 148 #include <mips/cachectl.h> 149 #endif 150 151 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 152 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 153 154 extern struct sysent ultrix_sysent[]; 155 extern const char * const ultrix_syscallnames[]; 156 extern char ultrix_sigcode[], ultrix_esigcode[]; 157 #ifdef __HAVE_SYSCALL_INTERN 158 void syscall_intern(struct proc *); 159 #else 160 void syscall __P((void)); 161 #endif 162 163 const struct emul emul_ultrix = { 164 "ultrix", 165 "/emul/ultrix", 166 #ifndef __HAVE_MINIMAL_EMUL 167 0, 168 NULL, 169 ULTRIX_SYS_syscall, 170 ULTRIX_SYS_MAXSYSCALL, 171 #endif 172 ultrix_sysent, 173 ultrix_syscallnames, 174 sendsig, 175 trapsignal, 176 ultrix_sigcode, 177 ultrix_esigcode, 178 setregs, 179 NULL, 180 NULL, 181 NULL, 182 #ifdef __HAVE_SYSCALL_INTERN 183 syscall_intern, 184 #else 185 syscall, 186 #endif 187 }; 188 189 #define GSI_PROG_ENV 1 190 191 int 192 ultrix_sys_getsysinfo(l, v, retval) 193 struct lwp *l; 194 void *v; 195 register_t *retval; 196 { 197 struct ultrix_sys_getsysinfo_args *uap = v; 198 static short progenv = 0; 199 200 switch (SCARG(uap, op)) { 201 /* operations implemented: */ 202 case GSI_PROG_ENV: 203 if (SCARG(uap, nbytes) < sizeof(short)) 204 return EINVAL; 205 *retval = 1; 206 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 207 default: 208 *retval = 0; /* info unavail */ 209 return 0; 210 } 211 } 212 213 int 214 ultrix_sys_setsysinfo(l, v, retval) 215 struct lwp *l; 216 void *v; 217 register_t *retval; 218 { 219 220 #ifdef notyet 221 struct ultrix_sys_setsysinfo_args *uap = v; 222 #endif 223 224 *retval = 0; 225 return 0; 226 } 227 228 int 229 ultrix_sys_waitpid(l, v, retval) 230 struct lwp *l; 231 void *v; 232 register_t *retval; 233 { 234 struct ultrix_sys_waitpid_args *uap = v; 235 struct sys_wait4_args ua; 236 237 SCARG(&ua, pid) = SCARG(uap, pid); 238 SCARG(&ua, status) = SCARG(uap, status); 239 SCARG(&ua, options) = SCARG(uap, options); 240 SCARG(&ua, rusage) = 0; 241 242 return (sys_wait4(l, &ua, retval)); 243 } 244 245 int 246 ultrix_sys_wait3(l, v, retval) 247 struct lwp *l; 248 void *v; 249 register_t *retval; 250 { 251 struct ultrix_sys_wait3_args *uap = v; 252 struct sys_wait4_args ua; 253 254 SCARG(&ua, pid) = -1; 255 SCARG(&ua, status) = SCARG(uap, status); 256 SCARG(&ua, options) = SCARG(uap, options); 257 SCARG(&ua, rusage) = SCARG(uap, rusage); 258 259 return (sys_wait4(l, &ua, retval)); 260 } 261 262 /* 263 * Ultrix binaries pass in FD_MAX as the first arg to select(). 264 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 265 * can handle. 266 * Since we can't have more than the (native) FD_MAX descriptors open, 267 * limit nfds to at most FD_MAX. 268 */ 269 int 270 ultrix_sys_select(l, v, retval) 271 struct lwp *l; 272 void *v; 273 register_t *retval; 274 { 275 struct sys_select_args *uap = v; 276 struct timeval atv; 277 int error; 278 279 /* Limit number of FDs selected on to the native maximum */ 280 281 if (SCARG(uap, nd) > FD_SETSIZE) 282 SCARG(uap, nd) = FD_SETSIZE; 283 284 /* Check for negative timeval */ 285 if (SCARG(uap, tv)) { 286 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 287 sizeof(atv)); 288 if (error) 289 goto done; 290 #ifdef DEBUG 291 /* Ultrix clients sometimes give negative timeouts? */ 292 if (atv.tv_sec < 0 || atv.tv_usec < 0) 293 printf("ultrix select( %ld, %ld): negative timeout\n", 294 atv.tv_sec, atv.tv_usec); 295 #endif 296 297 } 298 error = sys_select(l, (void*) uap, retval); 299 if (error == EINVAL) 300 printf("ultrix select: bad args?\n"); 301 302 done: 303 return error; 304 } 305 306 #if defined(NFS) 307 int 308 async_daemon(l, v, retval) 309 struct lwp *l; 310 void *v; 311 register_t *retval; 312 { 313 struct sys_nfssvc_args ouap; 314 315 SCARG(&ouap, flag) = NFSSVC_BIOD; 316 SCARG(&ouap, argp) = NULL; 317 318 return (sys_nfssvc(l, &ouap, retval)); 319 } 320 #endif /* NFS */ 321 322 323 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 324 325 int 326 ultrix_sys_mmap(l, v, retval) 327 struct lwp *l; 328 void *v; 329 register_t *retval; 330 { 331 struct ultrix_sys_mmap_args *uap = v; 332 struct proc *p = l->l_proc; 333 struct sys_mmap_args ouap; 334 struct filedesc *fdp; 335 struct file *fp; 336 struct vnode *vp; 337 338 /* 339 * Verify the arguments. 340 */ 341 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 342 return (EINVAL); /* XXX still needed? */ 343 344 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 345 return (EINVAL); 346 347 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 348 SCARG(&ouap, addr) = SCARG(uap, addr); 349 350 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 351 SCARG(&ouap, addr) != 0 && 352 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 353 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 354 355 SCARG(&ouap, len) = SCARG(uap, len); 356 SCARG(&ouap, prot) = SCARG(uap, prot); 357 SCARG(&ouap, fd) = SCARG(uap, fd); 358 SCARG(&ouap, pos) = SCARG(uap, pos); 359 360 /* 361 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 362 */ 363 fdp = p->p_fd; 364 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 365 fp->f_type == DTYPE_VNODE && /*XXX*/ 366 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 367 vp->v_rdev == zerodev) { /*XXX*/ 368 SCARG(&ouap, flags) |= MAP_ANON; 369 SCARG(&ouap, fd) = -1; 370 } 371 372 return (sys_mmap(l, &ouap, retval)); 373 } 374 375 int 376 ultrix_sys_setsockopt(l, v, retval) 377 struct lwp *l; 378 void *v; 379 register_t *retval; 380 { 381 struct ultrix_sys_setsockopt_args *uap = v; 382 struct proc *p = l->l_proc; 383 struct file *fp; 384 struct mbuf *m = NULL; 385 int error; 386 387 /* getsock() will use the descriptor for us */ 388 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 389 return (error); 390 #define SO_DONTLINGER (~SO_LINGER) 391 if (SCARG(uap, name) == SO_DONTLINGER) { 392 m = m_get(M_WAIT, MT_SOOPTS); 393 mtod(m, struct linger *)->l_onoff = 0; 394 m->m_len = sizeof(struct linger); 395 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 396 SO_LINGER, m); 397 } 398 if (SCARG(uap, level) == IPPROTO_IP) { 399 #define EMUL_IP_MULTICAST_IF 2 400 #define EMUL_IP_MULTICAST_TTL 3 401 #define EMUL_IP_MULTICAST_LOOP 4 402 #define EMUL_IP_ADD_MEMBERSHIP 5 403 #define EMUL_IP_DROP_MEMBERSHIP 6 404 static int ipoptxlat[] = { 405 IP_MULTICAST_IF, 406 IP_MULTICAST_TTL, 407 IP_MULTICAST_LOOP, 408 IP_ADD_MEMBERSHIP, 409 IP_DROP_MEMBERSHIP 410 }; 411 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 412 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 413 SCARG(uap, name) = 414 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 415 } 416 } 417 if (SCARG(uap, valsize) > MLEN) { 418 error = EINVAL; 419 goto out; 420 } 421 if (SCARG(uap, val)) { 422 m = m_get(M_WAIT, MT_SOOPTS); 423 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 424 (u_int)SCARG(uap, valsize)); 425 if (error) { 426 (void) m_free(m); 427 goto out; 428 } 429 m->m_len = SCARG(uap, valsize); 430 } 431 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 432 SCARG(uap, name), m); 433 out: 434 FILE_UNUSE(fp, p); 435 return (error); 436 } 437 438 #define ULTRIX__SYS_NMLN 32 439 440 struct ultrix_utsname { 441 char sysname[ULTRIX__SYS_NMLN]; 442 char nodename[ULTRIX__SYS_NMLN]; 443 char release[ULTRIX__SYS_NMLN]; 444 char version[ULTRIX__SYS_NMLN]; 445 char machine[ULTRIX__SYS_NMLN]; 446 }; 447 448 int 449 ultrix_sys_uname(l, v, retval) 450 struct lwp *l; 451 void *v; 452 register_t *retval; 453 { 454 struct ultrix_sys_uname_args *uap = v; 455 struct ultrix_utsname sut; 456 const char *cp; 457 char *dp, *ep; 458 459 memset(&sut, 0, sizeof(sut)); 460 461 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 462 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 463 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 464 dp = sut.version; 465 ep = &sut.version[sizeof(sut.version) - 1]; 466 for (cp = version; *cp && *cp != '('; cp++) 467 ; 468 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 469 *dp++ = *cp; 470 for (; *cp && *cp != '#'; cp++) 471 ; 472 for (; *cp && *cp != ':' && dp < ep; cp++) 473 *dp++ = *cp; 474 *dp = '\0'; 475 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 476 477 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 478 sizeof(struct ultrix_utsname)); 479 } 480 481 int 482 ultrix_sys_setpgrp(l, v, retval) 483 struct lwp *l; 484 void *v; 485 register_t *retval; 486 { 487 struct ultrix_sys_setpgrp_args *uap = v; 488 struct proc *p = l->l_proc; 489 490 /* 491 * difference to our setpgid call is to include backwards 492 * compatibility to pre-setsid() binaries. Do setsid() 493 * instead of setpgid() in those cases where the process 494 * tries to create a new session the old way. 495 */ 496 if (!SCARG(uap, pgid) && 497 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 498 return sys_setsid(l, uap, retval); 499 else 500 return sys_setpgid(l, uap, retval); 501 } 502 503 #if defined (NFSSERVER) 504 int 505 ultrix_sys_nfssvc(l, v, retval) 506 struct lwp *l; 507 void *v; 508 register_t *retval; 509 { 510 511 #if 0 /* XXX */ 512 struct ultrix_sys_nfssvc_args *uap = v; 513 struct emul *e = p->p_emul; 514 struct sys_nfssvc_args outuap; 515 struct sockaddr sa; 516 int error; 517 caddr_t sg = stackgap_init(p, 0); 518 519 memset(&outuap, 0, sizeof outuap); 520 SCARG(&outuap, fd) = SCARG(uap, fd); 521 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof sa); 522 SCARG(&outuap, msklen) = sizeof sa; 523 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof sa); 524 SCARG(&outuap, mtchlen) = sizeof sa; 525 526 memset(&sa, 0, sizeof sa); 527 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 528 return (error); 529 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 530 return (error); 531 532 return nfssvc(l, &outuap, retval); 533 #else 534 return (ENOSYS); 535 #endif 536 } 537 #endif /* NFSSERVER */ 538 539 struct ultrix_ustat { 540 daddr_t f_tfree; /* total free */ 541 ino_t f_tinode; /* total inodes free */ 542 char f_fname[6]; /* filsys name */ 543 char f_fpack[6]; /* filsys pack name */ 544 }; 545 546 int 547 ultrix_sys_ustat(l, v, retval) 548 struct lwp *l; 549 void *v; 550 register_t *retval; 551 { 552 struct ultrix_sys_ustat_args *uap = v; 553 struct ultrix_ustat us; 554 int error; 555 556 memset(&us, 0, sizeof us); 557 558 /* 559 * XXX: should set f_tfree and f_tinode at least 560 * How do we translate dev -> fstat? (and then to ultrix_ustat) 561 */ 562 563 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 564 return (error); 565 return 0; 566 } 567 568 int 569 ultrix_sys_quotactl(l, v, retval) 570 struct lwp *l; 571 void *v; 572 register_t *retval; 573 { 574 575 #ifdef notyet 576 struct ultrix_sys_quotactl_args *uap = v; 577 #endif 578 579 return EINVAL; 580 } 581 582 int 583 ultrix_sys_vhangup(l, v, retval) 584 struct lwp *l; 585 void *v; 586 register_t *retval; 587 { 588 589 return 0; 590 } 591 592 593 /* 594 * RISC Ultrix cache control syscalls 595 */ 596 #ifdef __mips 597 int 598 ultrix_sys_cacheflush(l, v, retval) 599 struct lwp *l; 600 void *v; 601 register_t *retval; 602 { 603 struct ultrix_sys_cacheflush_args /* { 604 syscallarg(void *) addr; 605 syscallarg(int) nbytes; 606 syscallarg(int) flag; 607 } */ *uap = v; 608 struct proc *p = l->l_proc; 609 vaddr_t va = (vaddr_t)SCARG(uap, addr); 610 int nbytes = SCARG(uap, nbytes); 611 int whichcache = SCARG(uap, whichcache); 612 613 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 614 } 615 616 617 int 618 ultrix_sys_cachectl(l, v, retval) 619 struct lwp *l; 620 void *v; 621 register_t *retval; 622 { 623 struct ultrix_sys_cachectl_args /* { 624 syscallarg(void *) addr; 625 syscallarg(int) nbytes; 626 syscallarg(int) cacheop; 627 } */ *uap = v; 628 struct proc *p = l->l_proc; 629 vaddr_t va = (vaddr_t)SCARG(uap, addr); 630 int nbytes = SCARG(uap, nbytes); 631 int cacheop = SCARG(uap, cacheop); 632 633 return mips_user_cachectl(p, va, nbytes, cacheop); 634 } 635 636 #endif /* __mips */ 637 638 639 int 640 ultrix_sys_exportfs(l, v, retval) 641 struct lwp *l; 642 void *v; 643 register_t *retval; 644 { 645 #ifdef notyet 646 struct ultrix_sys_exportfs_args *uap = v; 647 #endif 648 649 /* 650 * XXX: should perhaps translate into a mount(2) 651 * with MOUNT_EXPORT? 652 */ 653 return 0; 654 } 655 656 int 657 ultrix_sys_sigpending(l, v, retval) 658 struct lwp *l; 659 void *v; 660 register_t *retval; 661 { 662 struct ultrix_sys_sigpending_args *uap = v; 663 sigset_t ss; 664 int mask; 665 666 sigpending1(l->l_proc, &ss); 667 mask = ss.__bits[0]; 668 669 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 670 } 671 672 int 673 ultrix_sys_sigreturn(l, v, retval) 674 struct lwp *l; 675 void *v; 676 register_t *retval; 677 { 678 struct ultrix_sys_sigreturn_args *uap = v; 679 680 /* struct sigcontext13 is close enough to Ultrix */ 681 682 return (compat_13_sys_sigreturn(l, uap, retval)); 683 } 684 685 int 686 ultrix_sys_sigcleanup(l, v, retval) 687 struct lwp *l; 688 void *v; 689 register_t *retval; 690 { 691 struct ultrix_sys_sigcleanup_args *uap = v; 692 693 /* struct sigcontext13 is close enough to Ultrix */ 694 695 return (compat_13_sys_sigreturn(l, uap, retval)); 696 } 697 698 int 699 ultrix_sys_sigsuspend(l, v, retval) 700 struct lwp *l; 701 void *v; 702 register_t *retval; 703 { 704 struct ultrix_sys_sigsuspend_args *uap = v; 705 int mask = SCARG(uap, mask); 706 sigset_t ss; 707 708 ss.__bits[0] = mask; 709 ss.__bits[1] = 0; 710 ss.__bits[2] = 0; 711 ss.__bits[3] = 0; 712 713 return (sigsuspend1(l->l_proc, &ss)); 714 } 715 716 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 717 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 718 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 719 720 int 721 ultrix_sys_sigvec(l, v, retval) 722 struct lwp *l; 723 void *v; 724 register_t *retval; 725 { 726 struct ultrix_sys_sigvec_args *uap = v; 727 struct sigvec nsv, osv; 728 struct sigaction nsa, osa; 729 int error; 730 731 if (SCARG(uap, nsv)) { 732 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 733 if (error) 734 return (error); 735 nsa.sa_handler = nsv.sv_handler; 736 #if 0 /* documentation */ 737 /* ONSTACK is identical */ 738 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 739 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 740 /* old signal() - always restart */ 741 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 742 /* inverted meaning (same bit) */ 743 ) 744 nsa.sa_flags |= SA_RESTART; 745 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 746 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 747 nsa.sa_flags ^= SA_RESTART; 748 #endif 749 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 750 } 751 error = sigaction1(l->l_proc, SCARG(uap, signum), 752 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0, 753 NULL, 0); 754 if (error) 755 return (error); 756 if (SCARG(uap, osv)) { 757 osv.sv_handler = osa.sa_handler; 758 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 759 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 760 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 761 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 762 if (error) 763 return (error); 764 } 765 return (0); 766 } 767 768 int 769 ultrix_sys_shmsys(l, v, retval) 770 struct lwp *l; 771 void *v; 772 register_t *retval; 773 { 774 775 #ifdef SYSVSHM 776 777 /* Ultrix SVSHM weirndess: */ 778 struct ultrix_sys_shmsys_args *uap = v; 779 struct sys_shmat_args shmat_args; 780 struct compat_14_sys_shmctl_args shmctl_args; 781 struct sys_shmdt_args shmdt_args; 782 struct sys_shmget_args shmget_args; 783 784 785 switch (SCARG(uap, shmop)) { 786 case 0: /* Ultrix shmat() */ 787 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 788 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 789 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 790 return (sys_shmat(l, &shmat_args, retval)); 791 792 case 1: /* Ultrix shmctl() */ 793 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 794 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 795 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 796 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 797 798 case 2: /* Ultrix shmdt() */ 799 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 800 return (sys_shmdt(l, &shmdt_args, retval)); 801 802 case 3: /* Ultrix shmget() */ 803 SCARG(&shmget_args, key) = SCARG(uap, a2); 804 SCARG(&shmget_args, size) = SCARG(uap, a3); 805 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 806 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 807 return (sys_shmget(l, &shmget_args, retval)); 808 809 default: 810 return (EINVAL); 811 } 812 #else 813 return (EOPNOTSUPP); 814 #endif /* SYSVSHM */ 815 } 816 817 static int 818 ultrix_to_bsd_flock(ufl, fl) 819 struct ultrix_flock *ufl; 820 struct flock *fl; 821 { 822 823 fl->l_start = ufl->l_start; 824 fl->l_len = ufl->l_len; 825 fl->l_pid = ufl->l_pid; 826 fl->l_whence = ufl->l_whence; 827 828 switch (ufl->l_type) { 829 case ULTRIX_F_RDLCK: 830 fl->l_type = F_RDLCK; 831 break; 832 case ULTRIX_F_WRLCK: 833 fl->l_type = F_WRLCK; 834 break; 835 case ULTRIX_F_UNLCK: 836 fl->l_type = F_UNLCK; 837 break; 838 default: 839 return (EINVAL); 840 } 841 842 return (0); 843 } 844 845 static void 846 bsd_to_ultrix_flock(fl, ufl) 847 struct flock *fl; 848 struct ultrix_flock *ufl; 849 { 850 851 ufl->l_start = fl->l_start; 852 ufl->l_len = fl->l_len; 853 ufl->l_pid = fl->l_pid; 854 ufl->l_whence = fl->l_whence; 855 856 switch (fl->l_type) { 857 case F_RDLCK: 858 ufl->l_type = ULTRIX_F_RDLCK; 859 break; 860 case F_WRLCK: 861 ufl->l_type = ULTRIX_F_WRLCK; 862 break; 863 case F_UNLCK: 864 ufl->l_type = ULTRIX_F_UNLCK; 865 break; 866 } 867 } 868 869 int 870 ultrix_sys_fcntl(l, v, retval) 871 struct lwp *l; 872 void *v; 873 register_t *retval; 874 { 875 struct ultrix_sys_fcntl_args *uap = v; 876 struct proc *p = l->l_proc; 877 int error; 878 struct ultrix_flock ufl; 879 struct flock fl, *flp; 880 caddr_t sg; 881 struct sys_fcntl_args *args, fca; 882 883 switch (SCARG(uap, cmd)) { 884 case F_GETLK: 885 case F_SETLK: 886 case F_SETLKW: 887 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 888 if (error) 889 return (error); 890 error = ultrix_to_bsd_flock(&ufl, &fl); 891 if (error) 892 return (error); 893 sg = stackgap_init(p, 0); 894 flp = (struct flock *)stackgap_alloc(p, &sg, sizeof(*flp)); 895 error = copyout(&fl, flp, sizeof(*flp)); 896 if (error) 897 return (error); 898 899 SCARG(&fca, fd) = SCARG(uap, fd); 900 SCARG(&fca, cmd) = SCARG(uap, cmd); 901 SCARG(&fca, arg) = flp; 902 args = &fca; 903 break; 904 default: 905 args = v; 906 break; 907 } 908 909 error = sys_fcntl(l, args, retval); 910 if (error) 911 return (error); 912 913 switch (SCARG(uap, cmd)) { 914 case F_GETLK: 915 error = copyin(flp, &fl, sizeof(fl)); 916 if (error) 917 return (error); 918 bsd_to_ultrix_flock(&fl, &ufl); 919 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 920 break; 921 } 922 923 return (error); 924 } 925
Indexes created Fri Oct 03 02:09:57 GMT 2025