ultrix_misc.c revision 1.68.2.6
1 /* $NetBSD: ultrix_misc.c,v 1.68.2.6 2002/05/29 21:33:08 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 1.68.2.6 2002/05/29 21:33:08 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/lwp.h> 109 #include <sys/file.h> 110 #include <sys/filedesc.h> 111 #include <sys/kernel.h> 112 #include <sys/exec.h> 113 #include <sys/malloc.h> 114 #include <sys/mbuf.h> 115 #include <sys/mman.h> 116 #include <sys/mount.h> 117 #include <sys/resource.h> 118 #include <sys/resourcevar.h> 119 #include <sys/signal.h> 120 #include <sys/signalvar.h> 121 #include <sys/socket.h> 122 #include <sys/vnode.h> 123 #include <sys/uio.h> 124 #include <sys/wait.h> 125 #include <sys/utsname.h> 126 #include <sys/unistd.h> 127 #include <sys/ipc.h> 128 129 #include <sys/sa.h> 130 #include <sys/syscallargs.h> 131 132 #include <compat/ultrix/ultrix_syscall.h> 133 #include <compat/ultrix/ultrix_syscallargs.h> 134 #include <compat/common/compat_util.h> 135 136 #include <netinet/in.h> 137 138 #include <miscfs/specfs/specdev.h> 139 140 #include <nfs/rpcv2.h> 141 #include <nfs/nfsproto.h> 142 #include <nfs/nfs.h> 143 144 #include <sys/conf.h> /* iszerodev() */ 145 #include <sys/socketvar.h> /* sosetopt() */ 146 147 #include <compat/ultrix/ultrix_flock.h> 148 149 #ifdef __mips 150 #include <mips/cachectl.h> 151 #endif 152 153 static int ultrix_to_bsd_flock __P((struct ultrix_flock *, struct flock *)); 154 static void bsd_to_ultrix_flock __P((struct flock *, struct ultrix_flock *)); 155 156 extern struct sysent ultrix_sysent[]; 157 extern const char * const ultrix_syscallnames[]; 158 extern char ultrix_sigcode[], ultrix_esigcode[]; 159 #ifdef __HAVE_SYSCALL_INTERN 160 void syscall_intern(struct proc *); 161 #else 162 void syscall __P((void)); 163 #endif 164 165 const struct emul emul_ultrix = { 166 "ultrix", 167 "/emul/ultrix", 168 #ifndef __HAVE_MINIMAL_EMUL 169 0, 170 NULL, 171 ULTRIX_SYS_syscall, 172 ULTRIX_SYS_MAXSYSCALL, 173 #endif 174 ultrix_sysent, 175 ultrix_syscallnames, 176 sendsig, 177 trapsignal, 178 ultrix_sigcode, 179 ultrix_esigcode, 180 setregs, 181 NULL, 182 NULL, 183 NULL, 184 #ifdef __HAVE_SYSCALL_INTERN 185 syscall_intern, 186 #else 187 syscall, 188 #endif 189 }; 190 191 #define GSI_PROG_ENV 1 192 193 int 194 ultrix_sys_getsysinfo(l, v, retval) 195 struct lwp *l; 196 void *v; 197 register_t *retval; 198 { 199 struct ultrix_sys_getsysinfo_args *uap = v; 200 static short progenv = 0; 201 202 switch (SCARG(uap, op)) { 203 /* operations implemented: */ 204 case GSI_PROG_ENV: 205 if (SCARG(uap, nbytes) < sizeof(short)) 206 return EINVAL; 207 *retval = 1; 208 return (copyout(&progenv, SCARG(uap, buffer), sizeof(short))); 209 default: 210 *retval = 0; /* info unavail */ 211 return 0; 212 } 213 } 214 215 int 216 ultrix_sys_setsysinfo(l, v, retval) 217 struct lwp *l; 218 void *v; 219 register_t *retval; 220 { 221 222 #ifdef notyet 223 struct ultrix_sys_setsysinfo_args *uap = v; 224 #endif 225 226 *retval = 0; 227 return 0; 228 } 229 230 int 231 ultrix_sys_waitpid(l, v, retval) 232 struct lwp *l; 233 void *v; 234 register_t *retval; 235 { 236 struct ultrix_sys_waitpid_args *uap = v; 237 struct sys_wait4_args ua; 238 239 SCARG(&ua, pid) = SCARG(uap, pid); 240 SCARG(&ua, status) = SCARG(uap, status); 241 SCARG(&ua, options) = SCARG(uap, options); 242 SCARG(&ua, rusage) = 0; 243 244 return (sys_wait4(l, &ua, retval)); 245 } 246 247 int 248 ultrix_sys_wait3(l, v, retval) 249 struct lwp *l; 250 void *v; 251 register_t *retval; 252 { 253 struct ultrix_sys_wait3_args *uap = v; 254 struct sys_wait4_args ua; 255 256 SCARG(&ua, pid) = -1; 257 SCARG(&ua, status) = SCARG(uap, status); 258 SCARG(&ua, options) = SCARG(uap, options); 259 SCARG(&ua, rusage) = SCARG(uap, rusage); 260 261 return (sys_wait4(l, &ua, retval)); 262 } 263 264 /* 265 * Ultrix binaries pass in FD_MAX as the first arg to select(). 266 * On Ultrix, FD_MAX is 4096, which is more than the NetBSD sys_select() 267 * can handle. 268 * Since we can't have more than the (native) FD_MAX descriptors open, 269 * limit nfds to at most FD_MAX. 270 */ 271 int 272 ultrix_sys_select(l, v, retval) 273 struct lwp *l; 274 void *v; 275 register_t *retval; 276 { 277 struct sys_select_args *uap = v; 278 struct timeval atv; 279 int error; 280 281 /* Limit number of FDs selected on to the native maximum */ 282 283 if (SCARG(uap, nd) > FD_SETSIZE) 284 SCARG(uap, nd) = FD_SETSIZE; 285 286 /* Check for negative timeval */ 287 if (SCARG(uap, tv)) { 288 error = copyin((caddr_t)SCARG(uap, tv), (caddr_t)&atv, 289 sizeof(atv)); 290 if (error) 291 goto done; 292 #ifdef DEBUG 293 /* Ultrix clients sometimes give negative timeouts? */ 294 if (atv.tv_sec < 0 || atv.tv_usec < 0) 295 printf("ultrix select( %ld, %ld): negative timeout\n", 296 atv.tv_sec, atv.tv_usec); 297 #endif 298 299 } 300 error = sys_select(l, (void*) uap, retval); 301 if (error == EINVAL) 302 printf("ultrix select: bad args?\n"); 303 304 done: 305 return error; 306 } 307 308 #if defined(NFS) 309 int 310 async_daemon(l, v, retval) 311 struct lwp *l; 312 void *v; 313 register_t *retval; 314 { 315 struct sys_nfssvc_args ouap; 316 317 SCARG(&ouap, flag) = NFSSVC_BIOD; 318 SCARG(&ouap, argp) = NULL; 319 320 return (sys_nfssvc(l, &ouap, retval)); 321 } 322 #endif /* NFS */ 323 324 325 #define SUN__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */ 326 327 int 328 ultrix_sys_mmap(l, v, retval) 329 struct lwp *l; 330 void *v; 331 register_t *retval; 332 { 333 struct ultrix_sys_mmap_args *uap = v; 334 struct proc *p = l->l_proc; 335 struct sys_mmap_args ouap; 336 struct filedesc *fdp; 337 struct file *fp; 338 struct vnode *vp; 339 340 /* 341 * Verify the arguments. 342 */ 343 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC)) 344 return (EINVAL); /* XXX still needed? */ 345 346 if ((SCARG(uap, flags) & SUN__MAP_NEW) == 0) 347 return (EINVAL); 348 349 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUN__MAP_NEW; 350 SCARG(&ouap, addr) = SCARG(uap, addr); 351 352 if ((SCARG(&ouap, flags) & MAP_FIXED) == 0 && 353 SCARG(&ouap, addr) != 0 && 354 SCARG(&ouap, addr) < (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ)) 355 SCARG(&ouap, addr) = (void *)round_page((vaddr_t)p->p_vmspace->vm_daddr+MAXDSIZ); 356 357 SCARG(&ouap, len) = SCARG(uap, len); 358 SCARG(&ouap, prot) = SCARG(uap, prot); 359 SCARG(&ouap, fd) = SCARG(uap, fd); 360 SCARG(&ouap, pos) = SCARG(uap, pos); 361 362 /* 363 * Special case: if fd refers to /dev/zero, map as MAP_ANON. (XXX) 364 */ 365 fdp = p->p_fd; 366 if ((fp = fd_getfile(fdp, SCARG(&ouap, fd))) != NULL && /*XXX*/ 367 fp->f_type == DTYPE_VNODE && /*XXX*/ 368 (vp = (struct vnode *)fp->f_data)->v_type == VCHR && /*XXX*/ 369 iszerodev(vp->v_rdev)) { /*XXX*/ 370 SCARG(&ouap, flags) |= MAP_ANON; 371 SCARG(&ouap, fd) = -1; 372 } 373 374 return (sys_mmap(l, &ouap, retval)); 375 } 376 377 int 378 ultrix_sys_setsockopt(l, v, retval) 379 struct lwp *l; 380 void *v; 381 register_t *retval; 382 { 383 struct ultrix_sys_setsockopt_args *uap = v; 384 struct proc *p = l->l_proc; 385 struct file *fp; 386 struct mbuf *m = NULL; 387 int error; 388 389 /* getsock() will use the descriptor for us */ 390 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0) 391 return (error); 392 #define SO_DONTLINGER (~SO_LINGER) 393 if (SCARG(uap, name) == SO_DONTLINGER) { 394 m = m_get(M_WAIT, MT_SOOPTS); 395 mtod(m, struct linger *)->l_onoff = 0; 396 m->m_len = sizeof(struct linger); 397 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 398 SO_LINGER, m); 399 } 400 if (SCARG(uap, level) == IPPROTO_IP) { 401 #define EMUL_IP_MULTICAST_IF 2 402 #define EMUL_IP_MULTICAST_TTL 3 403 #define EMUL_IP_MULTICAST_LOOP 4 404 #define EMUL_IP_ADD_MEMBERSHIP 5 405 #define EMUL_IP_DROP_MEMBERSHIP 6 406 static int ipoptxlat[] = { 407 IP_MULTICAST_IF, 408 IP_MULTICAST_TTL, 409 IP_MULTICAST_LOOP, 410 IP_ADD_MEMBERSHIP, 411 IP_DROP_MEMBERSHIP 412 }; 413 if (SCARG(uap, name) >= EMUL_IP_MULTICAST_IF && 414 SCARG(uap, name) <= EMUL_IP_DROP_MEMBERSHIP) { 415 SCARG(uap, name) = 416 ipoptxlat[SCARG(uap, name) - EMUL_IP_MULTICAST_IF]; 417 } 418 } 419 if (SCARG(uap, valsize) > MLEN) { 420 error = EINVAL; 421 goto out; 422 } 423 if (SCARG(uap, val)) { 424 m = m_get(M_WAIT, MT_SOOPTS); 425 error = copyin(SCARG(uap, val), mtod(m, caddr_t), 426 (u_int)SCARG(uap, valsize)); 427 if (error) { 428 (void) m_free(m); 429 goto out; 430 } 431 m->m_len = SCARG(uap, valsize); 432 } 433 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level), 434 SCARG(uap, name), m); 435 out: 436 FILE_UNUSE(fp, p); 437 return (error); 438 } 439 440 #define ULTRIX__SYS_NMLN 32 441 442 struct ultrix_utsname { 443 char sysname[ULTRIX__SYS_NMLN]; 444 char nodename[ULTRIX__SYS_NMLN]; 445 char release[ULTRIX__SYS_NMLN]; 446 char version[ULTRIX__SYS_NMLN]; 447 char machine[ULTRIX__SYS_NMLN]; 448 }; 449 450 int 451 ultrix_sys_uname(l, v, retval) 452 struct lwp *l; 453 void *v; 454 register_t *retval; 455 { 456 struct ultrix_sys_uname_args *uap = v; 457 struct ultrix_utsname sut; 458 const char *cp; 459 char *dp, *ep; 460 461 memset(&sut, 0, sizeof(sut)); 462 463 strncpy(sut.sysname, ostype, sizeof(sut.sysname) - 1); 464 strncpy(sut.nodename, hostname, sizeof(sut.nodename) - 1); 465 strncpy(sut.release, osrelease, sizeof(sut.release) - 1); 466 dp = sut.version; 467 ep = &sut.version[sizeof(sut.version) - 1]; 468 for (cp = version; *cp && *cp != '('; cp++) 469 ; 470 for (cp++; *cp && *cp != ')' && dp < ep; cp++) 471 *dp++ = *cp; 472 for (; *cp && *cp != '#'; cp++) 473 ; 474 for (; *cp && *cp != ':' && dp < ep; cp++) 475 *dp++ = *cp; 476 *dp = '\0'; 477 strncpy(sut.machine, machine, sizeof(sut.machine) - 1); 478 479 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name), 480 sizeof(struct ultrix_utsname)); 481 } 482 483 int 484 ultrix_sys_setpgrp(l, v, retval) 485 struct lwp *l; 486 void *v; 487 register_t *retval; 488 { 489 struct ultrix_sys_setpgrp_args *uap = v; 490 struct proc *p = l->l_proc; 491 492 /* 493 * difference to our setpgid call is to include backwards 494 * compatibility to pre-setsid() binaries. Do setsid() 495 * instead of setpgid() in those cases where the process 496 * tries to create a new session the old way. 497 */ 498 if (!SCARG(uap, pgid) && 499 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid)) 500 return sys_setsid(l, uap, retval); 501 else 502 return sys_setpgid(l, uap, retval); 503 } 504 505 #if defined (NFSSERVER) 506 int 507 ultrix_sys_nfssvc(l, v, retval) 508 struct lwp *l; 509 void *v; 510 register_t *retval; 511 { 512 513 #if 0 /* XXX */ 514 struct ultrix_sys_nfssvc_args *uap = v; 515 struct emul *e = p->p_emul; 516 struct sys_nfssvc_args outuap; 517 struct sockaddr sa; 518 int error; 519 caddr_t sg = stackgap_init(p, 0); 520 521 memset(&outuap, 0, sizeof outuap); 522 SCARG(&outuap, fd) = SCARG(uap, fd); 523 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof sa); 524 SCARG(&outuap, msklen) = sizeof sa; 525 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof sa); 526 SCARG(&outuap, mtchlen) = sizeof sa; 527 528 memset(&sa, 0, sizeof sa); 529 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen))) 530 return (error); 531 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen))) 532 return (error); 533 534 return nfssvc(l, &outuap, retval); 535 #else 536 return (ENOSYS); 537 #endif 538 } 539 #endif /* NFSSERVER */ 540 541 struct ultrix_ustat { 542 daddr_t f_tfree; /* total free */ 543 ino_t f_tinode; /* total inodes free */ 544 char f_fname[6]; /* filsys name */ 545 char f_fpack[6]; /* filsys pack name */ 546 }; 547 548 int 549 ultrix_sys_ustat(l, v, retval) 550 struct lwp *l; 551 void *v; 552 register_t *retval; 553 { 554 struct ultrix_sys_ustat_args *uap = v; 555 struct ultrix_ustat us; 556 int error; 557 558 memset(&us, 0, sizeof us); 559 560 /* 561 * XXX: should set f_tfree and f_tinode at least 562 * How do we translate dev -> fstat? (and then to ultrix_ustat) 563 */ 564 565 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0) 566 return (error); 567 return 0; 568 } 569 570 int 571 ultrix_sys_quotactl(l, v, retval) 572 struct lwp *l; 573 void *v; 574 register_t *retval; 575 { 576 577 #ifdef notyet 578 struct ultrix_sys_quotactl_args *uap = v; 579 #endif 580 581 return EINVAL; 582 } 583 584 int 585 ultrix_sys_vhangup(l, v, retval) 586 struct lwp *l; 587 void *v; 588 register_t *retval; 589 { 590 591 return 0; 592 } 593 594 595 /* 596 * RISC Ultrix cache control syscalls 597 */ 598 #ifdef __mips 599 int 600 ultrix_sys_cacheflush(l, v, retval) 601 struct lwp *l; 602 void *v; 603 register_t *retval; 604 { 605 struct ultrix_sys_cacheflush_args /* { 606 syscallarg(void *) addr; 607 syscallarg(int) nbytes; 608 syscallarg(int) flag; 609 } */ *uap = v; 610 struct proc *p = l->l_proc; 611 vaddr_t va = (vaddr_t)SCARG(uap, addr); 612 int nbytes = SCARG(uap, nbytes); 613 int whichcache = SCARG(uap, whichcache); 614 615 return (mips_user_cacheflush(p, va, nbytes, whichcache)); 616 } 617 618 619 int 620 ultrix_sys_cachectl(l, v, retval) 621 struct lwp *l; 622 void *v; 623 register_t *retval; 624 { 625 struct ultrix_sys_cachectl_args /* { 626 syscallarg(void *) addr; 627 syscallarg(int) nbytes; 628 syscallarg(int) cacheop; 629 } */ *uap = v; 630 struct proc *p = l->l_proc; 631 vaddr_t va = (vaddr_t)SCARG(uap, addr); 632 int nbytes = SCARG(uap, nbytes); 633 int cacheop = SCARG(uap, cacheop); 634 635 return mips_user_cachectl(p, va, nbytes, cacheop); 636 } 637 638 #endif /* __mips */ 639 640 641 int 642 ultrix_sys_exportfs(l, v, retval) 643 struct lwp *l; 644 void *v; 645 register_t *retval; 646 { 647 #ifdef notyet 648 struct ultrix_sys_exportfs_args *uap = v; 649 #endif 650 651 /* 652 * XXX: should perhaps translate into a mount(2) 653 * with MOUNT_EXPORT? 654 */ 655 return 0; 656 } 657 658 int 659 ultrix_sys_sigpending(l, v, retval) 660 struct lwp *l; 661 void *v; 662 register_t *retval; 663 { 664 struct ultrix_sys_sigpending_args *uap = v; 665 sigset_t ss; 666 int mask; 667 668 sigpending1(l->l_proc, &ss); 669 mask = ss.__bits[0]; 670 671 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int))); 672 } 673 674 int 675 ultrix_sys_sigreturn(l, v, retval) 676 struct lwp *l; 677 void *v; 678 register_t *retval; 679 { 680 struct ultrix_sys_sigreturn_args *uap = v; 681 682 /* struct sigcontext13 is close enough to Ultrix */ 683 684 return (compat_13_sys_sigreturn(l, uap, retval)); 685 } 686 687 int 688 ultrix_sys_sigcleanup(l, v, retval) 689 struct lwp *l; 690 void *v; 691 register_t *retval; 692 { 693 struct ultrix_sys_sigcleanup_args *uap = v; 694 695 /* struct sigcontext13 is close enough to Ultrix */ 696 697 return (compat_13_sys_sigreturn(l, uap, retval)); 698 } 699 700 int 701 ultrix_sys_sigsuspend(l, v, retval) 702 struct lwp *l; 703 void *v; 704 register_t *retval; 705 { 706 struct ultrix_sys_sigsuspend_args *uap = v; 707 int mask = SCARG(uap, mask); 708 sigset_t ss; 709 710 ss.__bits[0] = mask; 711 ss.__bits[1] = 0; 712 ss.__bits[2] = 0; 713 ss.__bits[3] = 0; 714 715 return (sigsuspend1(l->l_proc, &ss)); 716 } 717 718 #define ULTRIX_SV_ONSTACK 0x0001 /* take signal on signal stack */ 719 #define ULTRIX_SV_INTERRUPT 0x0002 /* do not restart system on signal return */ 720 #define ULTRIX_SV_OLDSIG 0x1000 /* Emulate old signal() for POSIX */ 721 722 int 723 ultrix_sys_sigvec(l, v, retval) 724 struct lwp *l; 725 void *v; 726 register_t *retval; 727 { 728 struct ultrix_sys_sigvec_args *uap = v; 729 struct sigvec nsv, osv; 730 struct sigaction nsa, osa; 731 int error; 732 733 if (SCARG(uap, nsv)) { 734 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv)); 735 if (error) 736 return (error); 737 nsa.sa_handler = nsv.sv_handler; 738 #if 0 /* documentation */ 739 /* ONSTACK is identical */ 740 nsa.sa_flags = nsv.sv_flags & ULTRIX_SV_ONSTACK; 741 if ((nsv.sv_flags & ULTRIX_SV_OLDSIG) 742 /* old signal() - always restart */ 743 || (!(nsv.sv_flags & ULTRIX_SV_INTERRUPT)) 744 /* inverted meaning (same bit) */ 745 ) 746 nsa.sa_flags |= SA_RESTART; 747 #else /* optimized - assuming ULTRIX_SV_OLDSIG=>!ULTRIX_SV_INTERRUPT */ 748 nsa.sa_flags = nsv.sv_flags & ~ULTRIX_SV_OLDSIG; 749 nsa.sa_flags ^= SA_RESTART; 750 #endif 751 native_sigset13_to_sigset(&nsv.sv_mask, &nsa.sa_mask); 752 } 753 error = sigaction1(l->l_proc, SCARG(uap, signum), 754 SCARG(uap, nsv) ? &nsa : 0, SCARG(uap, osv) ? &osa : 0); 755 if (error) 756 return (error); 757 if (SCARG(uap, osv)) { 758 osv.sv_handler = osa.sa_handler; 759 osv.sv_flags = osa.sa_flags ^ SA_RESTART; 760 osv.sv_flags &= (ULTRIX_SV_ONSTACK | ULTRIX_SV_INTERRUPT); 761 native_sigset_to_sigset13(&osa.sa_mask, &osv.sv_mask); 762 error = copyout(&osv, SCARG(uap, osv), sizeof(osv)); 763 if (error) 764 return (error); 765 } 766 return (0); 767 } 768 769 int 770 ultrix_sys_shmsys(l, v, retval) 771 struct lwp *l; 772 void *v; 773 register_t *retval; 774 { 775 776 #ifdef SYSVSHM 777 778 /* Ultrix SVSHM weirndess: */ 779 struct ultrix_sys_shmsys_args *uap = v; 780 struct sys_shmat_args shmat_args; 781 struct compat_14_sys_shmctl_args shmctl_args; 782 struct sys_shmdt_args shmdt_args; 783 struct sys_shmget_args shmget_args; 784 785 786 switch (SCARG(uap, shmop)) { 787 case 0: /* Ultrix shmat() */ 788 SCARG(&shmat_args, shmid) = SCARG(uap, a2); 789 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a3); 790 SCARG(&shmat_args, shmflg) = SCARG(uap, a4); 791 return (sys_shmat(l, &shmat_args, retval)); 792 793 case 1: /* Ultrix shmctl() */ 794 SCARG(&shmctl_args, shmid) = SCARG(uap, a2); 795 SCARG(&shmctl_args, cmd) = SCARG(uap, a3); 796 SCARG(&shmctl_args, buf) = (struct shmid_ds14 *)SCARG(uap, a4); 797 return (compat_14_sys_shmctl(l, &shmctl_args, retval)); 798 799 case 2: /* Ultrix shmdt() */ 800 SCARG(&shmat_args, shmaddr) = (void *)SCARG(uap, a2); 801 return (sys_shmdt(l, &shmdt_args, retval)); 802 803 case 3: /* Ultrix shmget() */ 804 SCARG(&shmget_args, key) = SCARG(uap, a2); 805 SCARG(&shmget_args, size) = SCARG(uap, a3); 806 SCARG(&shmget_args, shmflg) = SCARG(uap, a4) 807 & (IPC_CREAT|IPC_EXCL|IPC_NOWAIT); 808 return (sys_shmget(l, &shmget_args, retval)); 809 810 default: 811 return (EINVAL); 812 } 813 #else 814 return (EOPNOTSUPP); 815 #endif /* SYSVSHM */ 816 } 817 818 static int 819 ultrix_to_bsd_flock(ufl, fl) 820 struct ultrix_flock *ufl; 821 struct flock *fl; 822 { 823 824 fl->l_start = ufl->l_start; 825 fl->l_len = ufl->l_len; 826 fl->l_pid = ufl->l_pid; 827 fl->l_whence = ufl->l_whence; 828 829 switch (ufl->l_type) { 830 case ULTRIX_F_RDLCK: 831 fl->l_type = F_RDLCK; 832 break; 833 case ULTRIX_F_WRLCK: 834 fl->l_type = F_WRLCK; 835 break; 836 case ULTRIX_F_UNLCK: 837 fl->l_type = F_UNLCK; 838 break; 839 default: 840 return (EINVAL); 841 } 842 843 return (0); 844 } 845 846 static void 847 bsd_to_ultrix_flock(fl, ufl) 848 struct flock *fl; 849 struct ultrix_flock *ufl; 850 { 851 852 ufl->l_start = fl->l_start; 853 ufl->l_len = fl->l_len; 854 ufl->l_pid = fl->l_pid; 855 ufl->l_whence = fl->l_whence; 856 857 switch (fl->l_type) { 858 case F_RDLCK: 859 ufl->l_type = ULTRIX_F_RDLCK; 860 break; 861 case F_WRLCK: 862 ufl->l_type = ULTRIX_F_WRLCK; 863 break; 864 case F_UNLCK: 865 ufl->l_type = ULTRIX_F_UNLCK; 866 break; 867 } 868 } 869 870 int 871 ultrix_sys_fcntl(l, v, retval) 872 struct lwp *l; 873 void *v; 874 register_t *retval; 875 { 876 struct ultrix_sys_fcntl_args *uap = v; 877 struct proc *p = l->l_proc; 878 int error; 879 struct ultrix_flock ufl; 880 struct flock fl, *flp; 881 caddr_t sg; 882 struct sys_fcntl_args *args, fca; 883 884 switch (SCARG(uap, cmd)) { 885 case F_GETLK: 886 case F_SETLK: 887 case F_SETLKW: 888 error = copyin(SCARG(uap, arg), &ufl, sizeof(ufl)); 889 if (error) 890 return (error); 891 error = ultrix_to_bsd_flock(&ufl, &fl); 892 if (error) 893 return (error); 894 sg = stackgap_init(p, 0); 895 flp = (struct flock *)stackgap_alloc(p, &sg, sizeof(*flp)); 896 error = copyout(&fl, flp, sizeof(*flp)); 897 if (error) 898 return (error); 899 900 SCARG(&fca, fd) = SCARG(uap, fd); 901 SCARG(&fca, cmd) = SCARG(uap, cmd); 902 SCARG(&fca, arg) = flp; 903 args = &fca; 904 break; 905 default: 906 args = v; 907 break; 908 } 909 910 error = sys_fcntl(l, args, retval); 911 if (error) 912 return (error); 913 914 switch (SCARG(uap, cmd)) { 915 case F_GETLK: 916 error = copyin(flp, &fl, sizeof(fl)); 917 if (error) 918 return (error); 919 bsd_to_ultrix_flock(&fl, &ufl); 920 error = copyout(&ufl, SCARG(uap, arg), sizeof(ufl)); 921 break; 922 } 923 924 return (error); 925 } 926
Indexes created Fri Oct 03 02:09:57 GMT 2025